3455 lines
109 KiB
C++
3455 lines
109 KiB
C++
/////////////////////////////////////////////////////////////////////////
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// $Id: svga_cirrus.cc,v 1.4 2004-08-28 15:31:33 vruppert Exp $
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/////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 2004 Makoto Suzuki (suzu)
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// Volker Ruppert (vruppert)
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// Robin Kay (komadori)
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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// limited PCI/ISA CLGD5446 support for Bochs
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//
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// there are still many unimplemented features:
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//
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// - 1bpp/4bpp
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// - transparent compare not complete
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// - some bitblt functions
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// - ???
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//
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// some codes are copied from vga.cc and modified.
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// some codes are ported from the cirrus emulation in qemu
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// (http://savannah.nongnu.org/projects/qemu).
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//
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#define BX_PLUGGABLE
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#include "iodev.h"
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#if BX_SUPPORT_CLGD54XX
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// Only reference the array if the tile numbers are within the bounds
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// of the array. If out of bounds, do nothing.
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#define SET_TILE_UPDATED(xtile,ytile,value) \
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do { \
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if (((xtile) < BX_NUM_X_TILES) && ((ytile) < BX_NUM_Y_TILES)) \
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BX_CIRRUS_THIS s.vga_tile_updated[(xtile)][(ytile)] = value; \
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} while (0)
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// Only reference the array if the tile numbers are within the bounds
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// of the array. If out of bounds, return 1.
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#define GET_TILE_UPDATED(xtile,ytile) \
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((((xtile) < BX_NUM_X_TILES) && ((ytile) < BX_NUM_Y_TILES))? \
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BX_CIRRUS_THIS s.vga_tile_updated[(xtile)][(ytile)] \
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: 1)
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// Make colour
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#define MAKE_COLOUR(red, red_shiftfrom, red_shiftto, red_mask, \
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green, green_shiftfrom, green_shiftto, green_mask, \
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blue, blue_shiftfrom, blue_shiftto, blue_mask) \
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( \
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((((red_shiftto) > (red_shiftfrom)) ? \
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(red) << ((red_shiftto) - (red_shiftfrom)) : \
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(red) >> ((red_shiftfrom) - (red_shiftto))) & \
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(red_mask)) | \
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((((green_shiftto) > (green_shiftfrom)) ? \
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(green) << ((green_shiftto) - (green_shiftfrom)) : \
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(green) >> ((green_shiftfrom) - (green_shiftto))) & \
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(green_mask)) | \
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((((blue_shiftto) > (blue_shiftfrom)) ? \
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(blue) << ((blue_shiftto) - (blue_shiftfrom)) : \
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(blue) >> ((blue_shiftfrom) - (blue_shiftto))) & \
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(blue_mask)) \
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)
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#define LOG_THIS BX_CIRRUS_THIS
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#if BX_USE_CIRRUS_SMF
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#define VGA_READ(addr,len) bx_vga_c::read_handler(theSvga,addr,len)
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#define VGA_WRITE(addr,val,len) bx_vga_c::write_handler(theSvga,addr,val,len)
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#define SVGA_READ(addr,len) svga_read_handler(theSvga,addr,len)
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#define SVGA_WRITE(addr,val,len) svga_write_handler(theSvga,addr,val,len)
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#else
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#define VGA_READ(addr,len) bx_vga_c::read(addr,len)
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#define VGA_WRITE(addr,val,len) bx_vga_c::write(addr,val,len)
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#define SVGA_READ(addr,len) svga_read(addr,len)
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#define SVGA_WRITE(addr,val,len) svga_write(addr,val,len)
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#endif // BX_USE_CIRRUS_SMF
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#define ID_CLGD5428 (0x26<<2)
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#define ID_CLGD5430 (0x28<<2)
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#define ID_CLGD5434 (0x2A<<2)
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#define ID_CLGD5446 (0x2E<<2)
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// sequencer 0x07
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#define CIRRUS_SR7_BPP_VGA 0x00
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#define CIRRUS_SR7_BPP_SVGA 0x01
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#define CIRRUS_SR7_BPP_MASK 0x0e
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#define CIRRUS_SR7_BPP_8 0x00
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#define CIRRUS_SR7_BPP_16_DOUBLEVCLK 0x02
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#define CIRRUS_SR7_BPP_24 0x04
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#define CIRRUS_SR7_BPP_16 0x06
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#define CIRRUS_SR7_BPP_32 0x08
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#define CIRRUS_SR7_ISAADDR_MASK 0xe0
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// sequencer 0x0f
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#define CIRRUS_MEMSIZE_512k 0x08
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#define CIRRUS_MEMSIZE_1M 0x10
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#define CIRRUS_MEMSIZE_2M 0x18
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#define CIRRUS_MEMFLAGS_BANKSWITCH 0x80 // bank switching is enabled.
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// sequencer 0x12
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#define CIRRUS_CURSOR_SHOW 0x01
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#define CIRRUS_CURSOR_HIDDENPEL 0x02
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#define CIRRUS_CURSOR_LARGE 0x04 // 64x64 if set, 32x32 if clear
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// sequencer 0x17
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#define CIRRUS_BUSTYPE_VLBFAST 0x10
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#define CIRRUS_BUSTYPE_PCI 0x20
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#define CIRRUS_BUSTYPE_VLBSLOW 0x30
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#define CIRRUS_BUSTYPE_ISA 0x38
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#define CIRRUS_MMIO_ENABLE 0x04
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#define CIRRUS_MMIO_USE_PCIADDR 0x40 // 0xb8000 if cleared.
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#define CIRRUS_MEMSIZEEXT_DOUBLE 0x80
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// control 0x0b
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#define CIRRUS_BANKING_DUAL 0x01
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#define CIRRUS_BANKING_GRANULARITY_16K 0x20 // set:16k, clear:4k
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// control 0x30
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#define CIRRUS_BLTMODE_BACKWARDS 0x01
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#define CIRRUS_BLTMODE_MEMSYSDEST 0x02
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#define CIRRUS_BLTMODE_MEMSYSSRC 0x04
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#define CIRRUS_BLTMODE_TRANSPARENTCOMP 0x08
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#define CIRRUS_BLTMODE_PATTERNCOPY 0x40
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#define CIRRUS_BLTMODE_COLOREXPAND 0x80
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#define CIRRUS_BLTMODE_PIXELWIDTHMASK 0x30
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#define CIRRUS_BLTMODE_PIXELWIDTH8 0x00
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#define CIRRUS_BLTMODE_PIXELWIDTH16 0x10
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#define CIRRUS_BLTMODE_PIXELWIDTH24 0x20
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#define CIRRUS_BLTMODE_PIXELWIDTH32 0x30
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// control 0x31
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#define CIRRUS_BLT_BUSY 0x01
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#define CIRRUS_BLT_START 0x02
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#define CIRRUS_BLT_RESET 0x04
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#define CIRRUS_BLT_FIFOUSED 0x10
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#define CIRRUS_BLT_AUTOSTART 0x80
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// control 0x32
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#define CIRRUS_ROP_0 0x00
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#define CIRRUS_ROP_SRC_AND_DST 0x05
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#define CIRRUS_ROP_NOP 0x06
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#define CIRRUS_ROP_SRC_AND_NOTDST 0x09
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#define CIRRUS_ROP_NOTDST 0x0b
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#define CIRRUS_ROP_SRC 0x0d
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#define CIRRUS_ROP_1 0x0e
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#define CIRRUS_ROP_NOTSRC_AND_DST 0x50
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#define CIRRUS_ROP_SRC_XOR_DST 0x59
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#define CIRRUS_ROP_SRC_OR_DST 0x6d
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#define CIRRUS_ROP_NOTSRC_OR_NOTDST 0x90
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#define CIRRUS_ROP_SRC_NOTXOR_DST 0x95
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#define CIRRUS_ROP_SRC_OR_NOTDST 0xad
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#define CIRRUS_ROP_NOTSRC 0xd0
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#define CIRRUS_ROP_NOTSRC_OR_DST 0xd6
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#define CIRRUS_ROP_NOTSRC_AND_NOTDST 0xda
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// control 0x33
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#define CIRRUS_BLTMODEEXT_SOLIDFILL 0x04
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#define CIRRUS_BLTMODEEXT_COLOREXPINV 0x02
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#define CIRRUS_BLTMODEEXT_DWORDGRANULARITY 0x01
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#define CLGD543x_MMIO_BLTBGCOLOR 0x00 // dword
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#define CLGD543x_MMIO_BLTFGCOLOR 0x04 // dword
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#define CLGD543x_MMIO_BLTWIDTH 0x08 // word
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#define CLGD543x_MMIO_BLTHEIGHT 0x0a // word
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#define CLGD543x_MMIO_BLTDESTPITCH 0x0c // word
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#define CLGD543x_MMIO_BLTSRCPITCH 0x0e // word
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#define CLGD543x_MMIO_BLTDESTADDR 0x10 // dword
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#define CLGD543x_MMIO_BLTSRCADDR 0x14 // dword
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#define CLGD543x_MMIO_BLTWRITEMASK 0x17 // byte
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#define CLGD543x_MMIO_BLTMODE 0x18 // byte
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#define CLGD543x_MMIO_BLTROP 0x1a // byte
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#define CLGD543x_MMIO_BLTMODEEXT 0x1b // byte
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#define CLGD543x_MMIO_BLTTRANSPARENTCOLOR 0x1c // word?
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#define CLGD543x_MMIO_BLTTRANSPARENTCOLORMASK 0x20 // word?
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#define CLGD543x_MMIO_BLTSTATUS 0x40 // byte
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// PCI 0x00: vendor, 0x02: device
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#define PCI_VENDOR_CIRRUS 0x1013
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#define PCI_DEVICE_CLGD5430 0x00a0 // CLGD5430 or CLGD5440
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#define PCI_DEVICE_CLGD5434 0x00a8
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#define PCI_DEVICE_CLGD5436 0x00ac
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#define PCI_DEVICE_CLGD5446 0x00b8
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#define PCI_DEVICE_CLGD5462 0x00d0
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#define PCI_DEVICE_CLGD5465 0x00d6
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// PCI 0x04: command(word), 0x06(word): status
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#define PCI_COMMAND_IOACCESS 0x0001
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#define PCI_COMMAND_MEMACCESS 0x0002
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#define PCI_COMMAND_BUSMASTER 0x0004
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#define PCI_COMMAND_SPECIALCYCLE 0x0008
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#define PCI_COMMAND_MEMWRITEINVALID 0x0010
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#define PCI_COMMAND_PALETTESNOOPING 0x0020
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#define PCI_COMMAND_PARITYDETECTION 0x0040
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#define PCI_COMMAND_ADDRESSDATASTEPPING 0x0080
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#define PCI_COMMAND_SERR 0x0100
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#define PCI_COMMAND_BACKTOBACKTRANS 0x0200
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// PCI 0x08, 0xff000000 (0x09-0x0b:class,0x08:rev)
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#define PCI_CLASS_BASE_DISPLAY 0x03
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// PCI 0x08, 0x00ff0000
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#define PCI_CLASS_SUB_VGA 0x00
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// PCI 0x0c, 0x00ff0000 (0x0c:cacheline,0x0d:latency,0x0e:headertype,0x0f:Built-in self test)
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#define PCI_CLASS_HEADERTYPE_00h 0x00
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// 0x10-0x3f (headertype 00h)
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// PCI 0x10,0x14,0x18,0x1c,0x20,0x24: base address mapping registers
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// 0x10: MEMBASE, 0x14: IOBASE(hard-coded in XFree86 3.x)
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#define PCI_MAP_MEM 0x0
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#define PCI_MAP_IO 0x1
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#define PCI_MAP_MEM_ADDR_MASK (~0xf)
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#define PCI_MAP_IO_ADDR_MASK (~0x3)
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#define PCI_MAP_MEMFLAGS_32BIT 0x0
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#define PCI_MAP_MEMFLAGS_32BIT_1M 0x1
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#define PCI_MAP_MEMFLAGS_64BIT 0x4
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#define PCI_MAP_MEMFLAGS_CACHEABLE 0x8
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// PCI 0x28: cardbus CIS pointer
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// PCI 0x2c: subsystem vendor id, 0x2e: subsystem id
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// PCI 0x30: expansion ROM base address
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// PCI 0x34: 0xffffff00=reserved, 0x000000ff=capabilities pointer
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// PCI 0x38: reserved
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// PCI 0x3c: 0x3c=int-line, 0x3d=int-pin, 0x3e=min-gnt, 0x3f=maax-lat
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// PCI 0x40-0xff: device dependent fields
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// To implement the following stuffs, memory PnP is required!
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// default PnP memory address (FIXME - can't relocate!)
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#define CIRRUS_PNPMEM_BASE_ADDRESS 0xe0000000
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#define CIRRUS_PNPMEM_SIZE CIRRUS_VIDEO_MEMORY_BYTES
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// default PnP memory-mapped I/O address (FIXME - can't relocate!)
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#define CIRRUS_PNPMMIO_BASE_ADDRESS (CIRRUS_PNPMEM_BASE_ADDRESS + CIRRUS_PNPMEM_SIZE)
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#define CIRRUS_PNPMMIO_SIZE 0x1000
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#define BX_MAX(a,b) ((a) > (b) ? (a) : (b))
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#define BX_MIN(a,b) ((a) < (b) ? (a) : (b))
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static bx_svga_cirrus_c *theSvga = NULL;
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int
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libvga_LTX_plugin_init(plugin_t *plugin, plugintype_t type, int argc, char *argv[])
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{
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theSvga = new bx_svga_cirrus_c ();
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libvga_set_smf_pointer(theSvga);
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bx_devices.pluginVgaDevice = theSvga;
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BX_REGISTER_DEVICE_DEVMODEL(plugin, type, theSvga, BX_PLUGIN_VGA);
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return(0); // Success
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}
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void
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libvga_LTX_plugin_fini(void)
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{
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}
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bx_svga_cirrus_c::bx_svga_cirrus_c(void) :
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bx_vga_c ()
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{
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put("CLVGA");
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vidmem = NULL;
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tilemem = NULL;
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}
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bx_svga_cirrus_c::~bx_svga_cirrus_c()
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{
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if (vidmem != NULL) {
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delete [] vidmem;
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}
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if (tilemem != NULL) {
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delete [] tilemem;
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}
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}
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void
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bx_svga_cirrus_c::init(void)
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{
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// initialize VGA stuffs.
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BX_CIRRUS_THIS bx_vga_c::init();
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BX_CIRRUS_THIS bx_vga_c::init_iohandlers(
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svga_read_handler, svga_write_handler);
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BX_CIRRUS_THIS bx_vga_c::init_systemtimer(
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svga_timer_handler);
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// initialize SVGA stuffs.
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#if BX_SUPPORT_PCI && BX_SUPPORT_CLGD54XX_PCI
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BX_CIRRUS_THIS pci_enabled = DEV_is_pci_device("cirrus");
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#endif
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BX_CIRRUS_THIS svga_init_members();
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#if BX_SUPPORT_PCI && BX_SUPPORT_CLGD54XX_PCI
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if (BX_CIRRUS_THIS pci_enabled) {
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BX_CIRRUS_THIS svga_init_pcihandlers();
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}
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#endif
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}
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void
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bx_svga_cirrus_c::svga_init_members()
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{
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unsigned i;
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// clear all registers.
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BX_CIRRUS_THIS sequencer.index = CIRRUS_SEQENCER_MAX + 1;
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for (i = 0; i <= CIRRUS_SEQENCER_MAX; i++)
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BX_CIRRUS_THIS sequencer.reg[i] = 0x00;
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BX_CIRRUS_THIS control.index = CIRRUS_CONTROL_MAX + 1;
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for (i = 0; i <= CIRRUS_CONTROL_MAX; i++)
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BX_CIRRUS_THIS control.reg[i] = 0x00;
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BX_CIRRUS_THIS control.shadow_reg0 = 0x00;
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BX_CIRRUS_THIS control.shadow_reg1 = 0x00;
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BX_CIRRUS_THIS crtc.index = CIRRUS_CRTC_MAX + 1;
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for (i = 0; i <= CIRRUS_CRTC_MAX; i++)
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BX_CIRRUS_THIS crtc.reg[i] = 0x00;
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BX_CIRRUS_THIS hidden_dac.lockindex = 0;
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BX_CIRRUS_THIS hidden_dac.data = 0x00;
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BX_CIRRUS_THIS svga_unlock_special = false;
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BX_CIRRUS_THIS svga_needs_update_tile = true;
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BX_CIRRUS_THIS svga_needs_update_dispentire = true;
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BX_CIRRUS_THIS svga_needs_update_mode = false;
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BX_CIRRUS_THIS svga_xres = 640;
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BX_CIRRUS_THIS svga_yres = 480;
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BX_CIRRUS_THIS svga_bpp = 8;
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BX_CIRRUS_THIS svga_pitch = 640;
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BX_CIRRUS_THIS bank_base[0] = 0;
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BX_CIRRUS_THIS bank_base[1] = 0;
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BX_CIRRUS_THIS bank_limit[0] = 0;
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BX_CIRRUS_THIS bank_limit[1] = 0;
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svga_reset_bitblt();
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BX_CIRRUS_THIS hw_cursor.x = 0;
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BX_CIRRUS_THIS hw_cursor.y = 0;
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BX_CIRRUS_THIS hw_cursor.size = 0;
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// memory allocation.
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BX_CIRRUS_THIS vidmem = new Bit8u[CIRRUS_VIDEO_MEMORY_BYTES];
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BX_CIRRUS_THIS tilemem = new Bit8u[X_TILESIZE * Y_TILESIZE * 4];
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// set some registers.
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BX_CIRRUS_THIS sequencer.reg[0x06] = 0x0f;
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BX_CIRRUS_THIS sequencer.reg[0x07] = 0x00; // 0xf0:linearbase(0x00 if disabled)
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#if BX_SUPPORT_PCI && BX_SUPPORT_CLGD54XX_PCI
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if (BX_CIRRUS_THIS pci_enabled) {
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BX_CIRRUS_THIS crtc.reg[0x27] = ID_CLGD5446;
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BX_CIRRUS_THIS sequencer.reg[0x1F] = 0x2d; // MemClock
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BX_CIRRUS_THIS control.reg[0x18] = 0x0f;
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BX_CIRRUS_THIS sequencer.reg[0x0F] = 0x98;
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BX_CIRRUS_THIS sequencer.reg[0x17] = CIRRUS_BUSTYPE_PCI;
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BX_CIRRUS_THIS sequencer.reg[0x15] = 0x04; // memory size 4MB
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BX_CIRRUS_THIS memsize = (4 << 20);
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} else
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#endif
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{
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BX_CIRRUS_THIS crtc.reg[0x27] = ID_CLGD5430;
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BX_CIRRUS_THIS sequencer.reg[0x1F] = 0x22; // MemClock
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BX_CIRRUS_THIS sequencer.reg[0x0F] = CIRRUS_MEMSIZE_2M;
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BX_CIRRUS_THIS sequencer.reg[0x17] = CIRRUS_BUSTYPE_ISA;
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BX_CIRRUS_THIS sequencer.reg[0x15] = 0x03; // memory size 2MB
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BX_CIRRUS_THIS memsize = (2 << 20);
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}
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BX_CIRRUS_THIS hidden_dac.lockindex = 5;
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BX_CIRRUS_THIS hidden_dac.data = 0;
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memset(BX_CIRRUS_THIS vidmem, 0xff, CIRRUS_VIDEO_MEMORY_BYTES);
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BX_CIRRUS_THIS disp_ptr = BX_CIRRUS_THIS vidmem;
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#if BX_SUPPORT_PCI && BX_SUPPORT_CLGD54XX_PCI
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if (BX_CIRRUS_THIS pci_enabled) {
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// This should be done by the PCI BIOS
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WriteHostDWordToLittleEndian(
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&BX_CIRRUS_THIS pci_conf[0x10],
|
|
(PCI_MAP_MEM | PCI_MAP_MEMFLAGS_32BIT | PCI_MAP_MEMFLAGS_CACHEABLE |
|
|
CIRRUS_PNPMEM_BASE_ADDRESS));
|
|
WriteHostDWordToLittleEndian(
|
|
&BX_CIRRUS_THIS pci_conf[0x14],
|
|
(PCI_MAP_MEM | PCI_MAP_MEMFLAGS_32BIT |
|
|
CIRRUS_PNPMMIO_BASE_ADDRESS));
|
|
DEV_pci_set_base_mem(BX_CIRRUS_THIS_PTR, cirrus_mem_read_handler,
|
|
cirrus_mem_write_handler,
|
|
&BX_CIRRUS_THIS pci_memaddr,
|
|
&BX_CIRRUS_THIS pci_conf[0x10],
|
|
CIRRUS_PNPMEM_SIZE);
|
|
DEV_pci_set_base_mem(BX_CIRRUS_THIS_PTR, cirrus_mem_read_handler,
|
|
cirrus_mem_write_handler,
|
|
&BX_CIRRUS_THIS pci_mmioaddr,
|
|
&BX_CIRRUS_THIS pci_conf[0x14],
|
|
CIRRUS_PNPMMIO_SIZE);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void
|
|
bx_svga_cirrus_c::reset(unsigned type)
|
|
{
|
|
// reset VGA stuffs.
|
|
BX_CIRRUS_THIS bx_vga_c::reset(type);
|
|
|
|
// reset SVGA stuffs.
|
|
BX_CIRRUS_THIS svga_init_members();
|
|
}
|
|
|
|
|
|
void
|
|
bx_svga_cirrus_c::redraw_area(unsigned x0, unsigned y0,
|
|
unsigned width, unsigned height)
|
|
{
|
|
unsigned xi, yi, x1, y1, xmax, ymax;
|
|
|
|
if ((BX_CIRRUS_THIS sequencer.reg[0x07] & 0x01) == CIRRUS_SR7_BPP_VGA) {
|
|
BX_CIRRUS_THIS bx_vga_c::redraw_area(x0,y0,width,height);
|
|
return;
|
|
}
|
|
|
|
if (BX_CIRRUS_THIS svga_needs_update_mode) {
|
|
return;
|
|
}
|
|
|
|
BX_CIRRUS_THIS svga_needs_update_tile = true;
|
|
|
|
x1 = x0 + width - 1;
|
|
y1 = y0 + height - 1;
|
|
xmax = BX_CIRRUS_THIS svga_xres;
|
|
ymax = BX_CIRRUS_THIS svga_yres;
|
|
for (yi=0; yi<ymax; yi+=Y_TILESIZE) {
|
|
for (xi=0; xi<xmax; xi+=X_TILESIZE) {
|
|
// is redraw rectangle outside x boundaries of this tile?
|
|
if (x1 < xi) continue;
|
|
if (x0 > (xi+X_TILESIZE-1)) continue;
|
|
|
|
// is redraw rectangle outside y boundaries of this tile?
|
|
if (y1 < yi) continue;
|
|
if (y0 > (yi+Y_TILESIZE-1)) continue;
|
|
|
|
unsigned xti = xi/X_TILESIZE;
|
|
unsigned yti = yi/Y_TILESIZE;
|
|
SET_TILE_UPDATED (xti, yti, 1);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
bx_svga_cirrus_c::mem_write_mode4and5_8bpp(Bit8u mode, Bit32u offset, Bit8u value)
|
|
{
|
|
int x;
|
|
Bit8u val = value;
|
|
Bit8u *dst;
|
|
|
|
dst = BX_CIRRUS_THIS vidmem + offset;
|
|
for (x = 0; x < 8; x++) {
|
|
if (val & 0x80) {
|
|
*dst++ = BX_CIRRUS_THIS control.shadow_reg1;
|
|
} else if (mode == 5) {
|
|
*dst++ = BX_CIRRUS_THIS control.shadow_reg0;
|
|
}
|
|
val <<= 1;
|
|
}
|
|
}
|
|
|
|
void
|
|
bx_svga_cirrus_c::mem_write_mode4and5_16bpp(Bit8u mode, Bit32u offset, Bit8u value)
|
|
{
|
|
int x;
|
|
Bit8u val = value;
|
|
Bit8u *dst;
|
|
|
|
dst = BX_CIRRUS_THIS vidmem + offset;
|
|
for (x = 0; x < 8; x++) {
|
|
if (val & 0x80) {
|
|
*dst++ = BX_CIRRUS_THIS control.shadow_reg1;
|
|
*dst++ = BX_CIRRUS_THIS control.reg[0x11];
|
|
} else if (mode == 5) {
|
|
*dst++ = BX_CIRRUS_THIS control.shadow_reg0;
|
|
*dst++ = BX_CIRRUS_THIS control.reg[0x10];
|
|
}
|
|
val <<= 1;
|
|
}
|
|
}
|
|
|
|
#if BX_SUPPORT_PCI && BX_SUPPORT_CLGD54XX_PCI
|
|
bx_bool
|
|
bx_svga_cirrus_c::cirrus_mem_read_handler(unsigned long addr, unsigned long len,
|
|
void *data, void *param)
|
|
{
|
|
Bit8u *data_ptr;
|
|
|
|
#ifdef BX_LITTLE_ENDIAN
|
|
data_ptr = (Bit8u *) data;
|
|
#else // BX_BIG_ENDIAN
|
|
data_ptr = (Bit8u *) data + (len - 1);
|
|
#endif
|
|
for (unsigned i = 0; i < len; i++) {
|
|
*data_ptr = BX_CIRRUS_THIS mem_read(addr);
|
|
addr++;
|
|
#ifdef BX_LITTLE_ENDIAN
|
|
data_ptr++;
|
|
#else // BX_BIG_ENDIAN
|
|
data_ptr--;
|
|
#endif
|
|
}
|
|
return 1;
|
|
}
|
|
#endif
|
|
|
|
Bit8u
|
|
bx_svga_cirrus_c::mem_read(Bit32u addr)
|
|
{
|
|
if ((BX_CIRRUS_THIS sequencer.reg[0x07] & 0x01) == CIRRUS_SR7_BPP_VGA) {
|
|
return BX_CIRRUS_THIS bx_vga_c::mem_read(addr);
|
|
}
|
|
|
|
#if BX_SUPPORT_PCI && BX_SUPPORT_CLGD54XX_PCI
|
|
if (BX_CIRRUS_THIS pci_enabled) {
|
|
if ((addr >= BX_CIRRUS_THIS pci_memaddr) &&
|
|
(addr < (BX_CIRRUS_THIS pci_memaddr + CIRRUS_PNPMEM_SIZE - 256))) {
|
|
Bit8u *ptr;
|
|
Bit32u offset;
|
|
|
|
// video-to-cpu BLT
|
|
if (BX_CIRRUS_THIS bitblt.memdst_needed != 0) {
|
|
ptr = BX_CIRRUS_THIS bitblt.memdst_ptr;
|
|
if (ptr != BX_CIRRUS_THIS bitblt.memdst_endptr) {
|
|
BX_CIRRUS_THIS bitblt.memdst_ptr ++;
|
|
return *ptr;
|
|
}
|
|
if (!svga_asyncbitblt_next()) {
|
|
ptr = BX_CIRRUS_THIS bitblt.memdst_ptr;
|
|
BX_CIRRUS_THIS bitblt.memdst_ptr ++;
|
|
return *ptr;
|
|
}
|
|
}
|
|
|
|
ptr = BX_CIRRUS_THIS vidmem;
|
|
offset = addr - BX_CIRRUS_THIS pci_memaddr;
|
|
if ((BX_CIRRUS_THIS control.reg[0x0b] & 0x14) == 0x14) {
|
|
offset <<= 4;
|
|
} else if (BX_CIRRUS_THIS control.reg[0x0b] & 0x02) {
|
|
offset <<= 3;
|
|
}
|
|
return *(ptr + offset);
|
|
} else if ((addr >= (BX_CIRRUS_THIS pci_memaddr + CIRRUS_PNPMEM_SIZE - 256)) &&
|
|
(addr < (BX_CIRRUS_THIS pci_memaddr + CIRRUS_PNPMEM_SIZE))) {
|
|
Bit32u offset = addr - (BX_CIRRUS_THIS pci_memaddr + CIRRUS_PNPMEM_SIZE - 256);
|
|
return svga_mmio_blt_read(offset & 0xff);
|
|
} else if ((addr >= BX_CIRRUS_THIS pci_mmioaddr) &&
|
|
(addr < (BX_CIRRUS_THIS pci_mmioaddr + CIRRUS_PNPMMIO_SIZE))) {
|
|
Bit32u offset;
|
|
|
|
offset = addr - BX_CIRRUS_THIS pci_mmioaddr;
|
|
if (offset >= 0x100) {
|
|
return svga_mmio_blt_read(offset - 0x100);
|
|
} else {
|
|
return svga_mmio_vga_read(offset);
|
|
}
|
|
}
|
|
}
|
|
#endif // BX_SUPPORT_PCI && BX_SUPPORT_CLGD54XX_PCI
|
|
|
|
if (addr >= 0xA0000 && addr <= 0xAFFFF)
|
|
{
|
|
Bit32u bank;
|
|
Bit32u offset;
|
|
Bit8u *ptr;
|
|
|
|
// video-to-cpu BLT
|
|
if (BX_CIRRUS_THIS bitblt.memdst_needed != 0) {
|
|
ptr = BX_CIRRUS_THIS bitblt.memdst_ptr;
|
|
if (ptr != BX_CIRRUS_THIS bitblt.memdst_endptr) {
|
|
BX_CIRRUS_THIS bitblt.memdst_ptr ++;
|
|
return *ptr;
|
|
}
|
|
if (!svga_asyncbitblt_next()) {
|
|
ptr = BX_CIRRUS_THIS bitblt.memdst_ptr;
|
|
BX_CIRRUS_THIS bitblt.memdst_ptr ++;
|
|
return *ptr;
|
|
}
|
|
}
|
|
|
|
offset = addr & 0xffff;
|
|
bank = (offset >> 15);
|
|
offset &= 0x7fff;
|
|
if (offset < bank_limit[bank]) {
|
|
offset += bank_base[bank];
|
|
if ((BX_CIRRUS_THIS control.reg[0x0b] & 0x14) == 0x14) {
|
|
offset <<= 4;
|
|
} else if (BX_CIRRUS_THIS control.reg[0x0b] & 0x02) {
|
|
offset <<= 3;
|
|
}
|
|
offset &= (CIRRUS_VIDEO_MEMORY_BYTES - 1);
|
|
return *(BX_CIRRUS_THIS vidmem + offset);
|
|
}
|
|
else {
|
|
return 0xff;
|
|
}
|
|
}
|
|
else if (addr >= 0xB8000 && addr <= 0xBFFFF) {
|
|
// memory-mapped I/O.
|
|
Bit32u offset;
|
|
|
|
offset = addr - 0xb8000;
|
|
if ((BX_CIRRUS_THIS sequencer.reg[0x17] & 0x44) == 0x04)
|
|
return svga_mmio_blt_read(offset);
|
|
}
|
|
else {
|
|
BX_ERROR(("mem_read 0x%08x",addr));
|
|
}
|
|
|
|
return 0xff;
|
|
}
|
|
|
|
#if BX_SUPPORT_PCI && BX_SUPPORT_CLGD54XX_PCI
|
|
bx_bool
|
|
bx_svga_cirrus_c::cirrus_mem_write_handler(unsigned long addr, unsigned long len,
|
|
void *data, void *param)
|
|
{
|
|
Bit8u *data_ptr;
|
|
|
|
#ifdef BX_LITTLE_ENDIAN
|
|
data_ptr = (Bit8u *) data;
|
|
#else // BX_BIG_ENDIAN
|
|
data_ptr = (Bit8u *) data + (len - 1);
|
|
#endif
|
|
for (unsigned i = 0; i < len; i++) {
|
|
BX_CIRRUS_THIS mem_write(addr, *data_ptr);
|
|
addr++;
|
|
#ifdef BX_LITTLE_ENDIAN
|
|
data_ptr++;
|
|
#else // BX_BIG_ENDIAN
|
|
data_ptr--;
|
|
#endif
|
|
}
|
|
return 1;
|
|
}
|
|
#endif
|
|
|
|
void
|
|
bx_svga_cirrus_c::mem_write(Bit32u addr, Bit8u value)
|
|
{
|
|
if ((BX_CIRRUS_THIS sequencer.reg[0x07] & 0x01) == CIRRUS_SR7_BPP_VGA) {
|
|
BX_CIRRUS_THIS bx_vga_c::mem_write(addr,value);
|
|
return;
|
|
}
|
|
|
|
#if BX_SUPPORT_PCI && BX_SUPPORT_CLGD54XX_PCI
|
|
if (BX_CIRRUS_THIS pci_enabled) {
|
|
if ((addr >= BX_CIRRUS_THIS pci_memaddr) &&
|
|
(addr < (BX_CIRRUS_THIS pci_memaddr + CIRRUS_PNPMEM_SIZE - 256))) {
|
|
Bit32u offset;
|
|
Bit8u mode;
|
|
|
|
// cpu-to-video BLT
|
|
if (BX_CIRRUS_THIS bitblt.memsrc_needed != 0) {
|
|
*(BX_CIRRUS_THIS bitblt.memsrc_ptr)++ = (value);
|
|
if (bitblt.memsrc_ptr == BX_CIRRUS_THIS bitblt.memsrc_endptr) {
|
|
svga_asyncbitblt_next();
|
|
}
|
|
return;
|
|
}
|
|
|
|
offset = addr - BX_CIRRUS_THIS pci_memaddr;
|
|
// BX_DEBUG(("write offset 0x%08x,value 0x%02x",offset,value));
|
|
if ((BX_CIRRUS_THIS control.reg[0x0b] & 0x14) == 0x14) {
|
|
offset <<= 4;
|
|
} else if (BX_CIRRUS_THIS control.reg[0x0b] & 0x02) {
|
|
offset <<= 3;
|
|
}
|
|
mode = BX_CIRRUS_THIS control.reg[0x05] & 0x07;
|
|
if ((mode < 4) || (mode > 5) || ((BX_CIRRUS_THIS control.reg[0x0b] & 0x4) == 0)) {
|
|
*(BX_CIRRUS_THIS vidmem + offset) = value;
|
|
} else {
|
|
if ((BX_CIRRUS_THIS control.reg[0x0b] & 0x14) != 0x14) {
|
|
mem_write_mode4and5_8bpp(mode, offset, value);
|
|
} else {
|
|
mem_write_mode4and5_16bpp(mode, offset, value);
|
|
}
|
|
}
|
|
BX_CIRRUS_THIS svga_needs_update_tile = true;
|
|
SET_TILE_UPDATED(((offset % BX_CIRRUS_THIS svga_pitch) / (BX_CIRRUS_THIS svga_bpp / 8)) / X_TILESIZE,
|
|
(offset / BX_CIRRUS_THIS svga_pitch) / Y_TILESIZE, 1);
|
|
return;
|
|
} else if ((addr >= (BX_CIRRUS_THIS pci_memaddr + CIRRUS_PNPMEM_SIZE - 256)) &&
|
|
(addr < (BX_CIRRUS_THIS pci_memaddr + CIRRUS_PNPMEM_SIZE))) {
|
|
Bit32u offset = addr - (BX_CIRRUS_THIS pci_memaddr + CIRRUS_PNPMEM_SIZE - 256);
|
|
svga_mmio_blt_write(offset & 0xff, value);
|
|
return;
|
|
} else if ((addr >= BX_CIRRUS_THIS pci_mmioaddr) &&
|
|
(addr < (BX_CIRRUS_THIS pci_mmioaddr + CIRRUS_PNPMMIO_SIZE))) {
|
|
// memory-mapped I/O.
|
|
Bit32u offset;
|
|
|
|
// BX_DEBUG(("write mmio 0x%08x",addr));
|
|
offset = addr - BX_CIRRUS_THIS pci_mmioaddr;
|
|
if (offset >= 0x100) {
|
|
svga_mmio_blt_write(offset - 0x100, value);
|
|
} else {
|
|
svga_mmio_vga_write(offset,value);
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
#endif // BX_SUPPORT_PCI && BX_SUPPORT_CLGD54XX_PCI
|
|
|
|
if (addr >= 0xA0000 && addr <= 0xAFFFF) {
|
|
Bit32u bank, offset;
|
|
Bit8u mode;
|
|
|
|
// cpu-to-video BLT
|
|
if (BX_CIRRUS_THIS bitblt.memsrc_needed != 0) {
|
|
*(BX_CIRRUS_THIS bitblt.memsrc_ptr)++ = (value);
|
|
if (BX_CIRRUS_THIS bitblt.memsrc_ptr == BX_CIRRUS_THIS bitblt.memsrc_endptr) {
|
|
svga_asyncbitblt_next();
|
|
}
|
|
return;
|
|
}
|
|
|
|
offset = addr & 0xffff;
|
|
bank = (offset >> 15);
|
|
offset &= 0x7fff;
|
|
if (offset < bank_limit[bank]) {
|
|
offset += bank_base[bank];
|
|
if ((BX_CIRRUS_THIS control.reg[0x0b] & 0x14) == 0x14) {
|
|
offset <<= 4;
|
|
} else if (BX_CIRRUS_THIS control.reg[0x0b] & 0x02) {
|
|
offset <<= 3;
|
|
}
|
|
offset &= (CIRRUS_VIDEO_MEMORY_BYTES - 1);
|
|
mode = BX_CIRRUS_THIS control.reg[0x05] & 0x07;
|
|
if ((mode < 4) || (mode > 5) || ((BX_CIRRUS_THIS control.reg[0x0b] & 0x4) == 0)) {
|
|
*(BX_CIRRUS_THIS vidmem + offset) = value;
|
|
} else {
|
|
if ((BX_CIRRUS_THIS control.reg[0x0b] & 0x14) != 0x14) {
|
|
mem_write_mode4and5_8bpp(mode, offset, value);
|
|
} else {
|
|
mem_write_mode4and5_16bpp(mode, offset, value);
|
|
}
|
|
}
|
|
BX_CIRRUS_THIS svga_needs_update_tile = true;
|
|
SET_TILE_UPDATED(((offset % BX_CIRRUS_THIS svga_pitch) / (BX_CIRRUS_THIS svga_bpp / 8)) / X_TILESIZE,
|
|
(offset / BX_CIRRUS_THIS svga_pitch) / Y_TILESIZE, 1);
|
|
}
|
|
} else if (addr >= 0xB8000 && addr <= 0xBFFFF) {
|
|
// memory-mapped I/O.
|
|
Bit32u offset;
|
|
|
|
offset = addr - 0xb8000;
|
|
if ((BX_CIRRUS_THIS sequencer.reg[0x17] & 0x44) == 0x04) {
|
|
svga_mmio_blt_write(offset & 0xff, value);
|
|
}
|
|
}
|
|
else {
|
|
BX_ERROR(("mem_write 0x%08x, value 0x%02x",addr,value));
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
bx_svga_cirrus_c::get_text_snapshot(Bit8u **text_snapshot,
|
|
unsigned *txHeight, unsigned *txWidth)
|
|
{
|
|
BX_CIRRUS_THIS bx_vga_c::get_text_snapshot(text_snapshot,txHeight,txWidth);
|
|
}
|
|
|
|
void
|
|
bx_svga_cirrus_c::trigger_timer(void *this_ptr)
|
|
{
|
|
BX_CIRRUS_THIS timer_handler(this_ptr);
|
|
}
|
|
|
|
void
|
|
bx_svga_cirrus_c::set_update_interval (unsigned interval)
|
|
{
|
|
BX_INFO (("Changing timer interval to %d", interval));
|
|
BX_CIRRUS_THIS svga_timer_handler (theSvga);
|
|
bx_pc_system.activate_timer (BX_CIRRUS_THIS timer_id, interval, 1);
|
|
}
|
|
|
|
Bit8u
|
|
bx_svga_cirrus_c::get_actl_palette_idx(Bit8u index)
|
|
{
|
|
return BX_CIRRUS_THIS bx_vga_c::get_actl_palette_idx(index);
|
|
}
|
|
|
|
Bit32u
|
|
bx_svga_cirrus_c::svga_read_handler(void *this_ptr, Bit32u address, unsigned io_len)
|
|
{
|
|
#if !BX_USE_CIRRUS_SMF
|
|
bx_svga_cirrus_c *class_ptr = (bx_svga_cirrus_c *) this_ptr;
|
|
|
|
return( class_ptr->svga_read(address, io_len) );
|
|
}
|
|
Bit32u
|
|
bx_svga_cirrus_c::svga_read(Bit32u address, unsigned io_len)
|
|
{
|
|
#else
|
|
UNUSED(this_ptr);
|
|
#endif // !BX_USE_CIRRUS_SMF
|
|
|
|
if ((io_len == 2) && ((address & 1) == 0)) {
|
|
Bit32u value;
|
|
value = (Bit32u)SVGA_READ(address,1);
|
|
value |= (Bit32u)SVGA_READ(address+1,1) << 8;
|
|
return value;
|
|
}
|
|
|
|
if (io_len != 1) {
|
|
BX_PANIC(("SVGA read: io_len != 1"));
|
|
}
|
|
|
|
switch (address) {
|
|
case 0x03b4: /* VGA: CRTC Index Register (monochrome emulation modes) */
|
|
case 0x03d4: /* VGA: CRTC Index Register (color emulation modes) */
|
|
return BX_CIRRUS_THIS crtc.index;
|
|
case 0x03b5: /* VGA: CRTC Registers (monochrome emulation modes) */
|
|
case 0x03d5: /* VGA: CRTC Registers (color emulation modes) */
|
|
if (BX_CIRRUS_THIS is_unlocked())
|
|
return BX_CIRRUS_THIS svga_read_crtc(address,BX_CIRRUS_THIS crtc.index);
|
|
break;
|
|
|
|
case 0x03c4: /* VGA: Sequencer Index Register */
|
|
return BX_CIRRUS_THIS sequencer.index;
|
|
case 0x03c5: /* VGA: Sequencer Registers */
|
|
if ((BX_CIRRUS_THIS sequencer.index == 0x06) ||
|
|
(BX_CIRRUS_THIS is_unlocked())) {
|
|
return BX_CIRRUS_THIS svga_read_sequencer(address,BX_CIRRUS_THIS sequencer.index);
|
|
}
|
|
break;
|
|
|
|
case 0x03c6: /* Hidden DAC */
|
|
if (BX_CIRRUS_THIS is_unlocked()) {
|
|
if ((++BX_CIRRUS_THIS hidden_dac.lockindex) == 5) {
|
|
BX_CIRRUS_THIS hidden_dac.lockindex = 0;
|
|
return BX_CIRRUS_THIS hidden_dac.data;
|
|
}
|
|
}
|
|
break;
|
|
case 0x03c8: /* PEL write address */
|
|
BX_CIRRUS_THIS hidden_dac.lockindex = 0;
|
|
break;
|
|
case 0x03c9: /* PEL Data Register, hiddem pel colors 00..0F */
|
|
if (BX_CIRRUS_THIS sequencer.reg[0x12] & CIRRUS_CURSOR_HIDDENPEL) {
|
|
Bit8u index = (BX_CIRRUS_THIS s.pel.read_data_register & 0x0f) * 3 +
|
|
BX_CIRRUS_THIS s.pel.read_data_cycle;
|
|
Bit8u retval = BX_CIRRUS_THIS hidden_dac.palette[index];
|
|
BX_CIRRUS_THIS s.pel.read_data_cycle ++;
|
|
if (BX_CIRRUS_THIS s.pel.read_data_cycle >= 3) {
|
|
BX_CIRRUS_THIS s.pel.read_data_cycle = 0;
|
|
BX_CIRRUS_THIS s.pel.read_data_register++;
|
|
}
|
|
return retval;
|
|
}
|
|
break;
|
|
case 0x03ce: /* VGA: Graphics Controller Index Register */
|
|
return BX_CIRRUS_THIS control.index;
|
|
case 0x03cf: /* VGA: Graphics Controller Registers */
|
|
if (BX_CIRRUS_THIS is_unlocked())
|
|
return BX_CIRRUS_THIS svga_read_control(address,BX_CIRRUS_THIS control.index);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return VGA_READ(address,io_len);
|
|
}
|
|
|
|
void
|
|
bx_svga_cirrus_c::svga_write_handler(void *this_ptr, Bit32u address, Bit32u value, unsigned io_len)
|
|
{
|
|
#if !BX_USE_CIRRUS_SMF
|
|
bx_svga_cirrus_c *class_ptr = (bx_svga_cirrus_c *) this_ptr;
|
|
|
|
class_ptr->svga_write(address, value, io_len);
|
|
}
|
|
void
|
|
bx_svga_cirrus_c::svga_write(Bit32u address, Bit32u value, unsigned io_len)
|
|
{
|
|
#else
|
|
UNUSED(this_ptr);
|
|
#endif // !BX_USE_CIRRUS_SMF
|
|
|
|
if ((io_len == 2) && ((address & 1) == 0)) {
|
|
SVGA_WRITE(address,value & 0xff,1);
|
|
SVGA_WRITE(address+1,value >> 8,1);
|
|
return;
|
|
}
|
|
|
|
if (io_len != 1) {
|
|
BX_PANIC(("SVGA write: io_len != 1"));
|
|
}
|
|
|
|
switch (address) {
|
|
case 0x03b4: /* VGA: CRTC Index Register (monochrome emulation modes) */
|
|
case 0x03d4: /* VGA: CRTC Index Register (color emulation modes) */
|
|
BX_CIRRUS_THIS crtc.index = value & 0x7f;
|
|
break;
|
|
case 0x03b5: /* VGA: CRTC Registers (monochrome emulation modes) */
|
|
case 0x03d5: /* VGA: CRTC Registers (color emulation modes) */
|
|
if (BX_CIRRUS_THIS is_unlocked()) {
|
|
BX_CIRRUS_THIS svga_write_crtc(address,BX_CIRRUS_THIS crtc.index,value);
|
|
return;
|
|
}
|
|
break;
|
|
|
|
case 0x03c4: /* VGA: Sequencer Index Register */
|
|
BX_CIRRUS_THIS sequencer.index = value;
|
|
break;
|
|
case 0x03c5: /* VGA: Sequencer Registers */
|
|
if ((BX_CIRRUS_THIS sequencer.index == 0x06) ||
|
|
(BX_CIRRUS_THIS is_unlocked())) {
|
|
BX_CIRRUS_THIS svga_write_sequencer(address,BX_CIRRUS_THIS sequencer.index,value);
|
|
return;
|
|
}
|
|
break;
|
|
case 0x03c6: /* Hidden DAC */
|
|
if (BX_CIRRUS_THIS is_unlocked()) {
|
|
if (BX_CIRRUS_THIS hidden_dac.lockindex == 4) {
|
|
BX_CIRRUS_THIS hidden_dac.data = value;
|
|
}
|
|
BX_CIRRUS_THIS hidden_dac.lockindex = 0;
|
|
return;
|
|
}
|
|
break;
|
|
case 0x03c9: /* PEL Data Register, hidden pel colors 00..0F */
|
|
BX_CIRRUS_THIS svga_needs_update_dispentire = true;
|
|
|
|
if (BX_CIRRUS_THIS sequencer.reg[0x12] & CIRRUS_CURSOR_HIDDENPEL) {
|
|
Bit8u index = (BX_CIRRUS_THIS s.pel.write_data_register & 0x0f) * 3 +
|
|
BX_CIRRUS_THIS s.pel.write_data_cycle;
|
|
BX_CIRRUS_THIS hidden_dac.palette[index] = value;
|
|
BX_CIRRUS_THIS s.pel.write_data_cycle ++;
|
|
if (BX_CIRRUS_THIS s.pel.write_data_cycle >= 3) {
|
|
BX_CIRRUS_THIS s.pel.write_data_cycle = 0;
|
|
BX_CIRRUS_THIS s.pel.write_data_register++;
|
|
}
|
|
return;
|
|
}
|
|
break;
|
|
case 0x03ce: /* VGA: Graphics Controller Index Register */
|
|
BX_CIRRUS_THIS control.index = value;
|
|
break;
|
|
case 0x03cf: /* VGA: Graphics Controller Registers */
|
|
if (BX_CIRRUS_THIS is_unlocked()) {
|
|
BX_CIRRUS_THIS svga_write_control(address,BX_CIRRUS_THIS control.index,value);
|
|
return;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
VGA_WRITE(address,value,io_len);
|
|
}
|
|
|
|
void
|
|
bx_svga_cirrus_c::svga_timer_handler(void *this_ptr)
|
|
{
|
|
#if !BX_USE_CIRRUS_SMF
|
|
bx_svga_cirrus_c *class_ptr = (bx_svga_cirrus_c *) this_ptr;
|
|
|
|
class_ptr->svga_timer();
|
|
}
|
|
|
|
void
|
|
bx_svga_cirrus_c::svga_timer(void)
|
|
{
|
|
#else // !BX_USE_CIRRUS_SMF
|
|
UNUSED(this_ptr);
|
|
#endif // !BX_USE_CIRRUS_SMF
|
|
|
|
BX_CIRRUS_THIS svga_update();
|
|
bx_gui->flush();
|
|
}
|
|
|
|
void
|
|
bx_svga_cirrus_c::svga_modeupdate(void)
|
|
{
|
|
Bit32u iTopOffset, iHeight;
|
|
int width, iBpp, iDispBpp;
|
|
|
|
iTopOffset = (BX_CIRRUS_THIS crtc.reg[0x0c] << 8)
|
|
+ BX_CIRRUS_THIS crtc.reg[0x0d]
|
|
+ ((BX_CIRRUS_THIS crtc.reg[0x1b] & 0x01) << 16)
|
|
+ ((BX_CIRRUS_THIS crtc.reg[0x1b] & 0x0c) << 15)
|
|
+ ((BX_CIRRUS_THIS crtc.reg[0x1d] & 0x80) << 12);
|
|
iTopOffset <<= 2;
|
|
|
|
iHeight = 1 + BX_CIRRUS_THIS crtc.reg[0x12]
|
|
+ ((BX_CIRRUS_THIS crtc.reg[0x07] & 0x02) << 7)
|
|
+ ((BX_CIRRUS_THIS crtc.reg[0x07] & 0x40) << 3);
|
|
if ((BX_CIRRUS_THIS crtc.reg[0x1a] & 0x01) > 0) {
|
|
iHeight <<= 1;
|
|
}
|
|
width = (BX_CIRRUS_THIS crtc.reg[0x01] + 1) * 8;
|
|
iBpp = 8;
|
|
iDispBpp = 4;
|
|
if ((BX_CIRRUS_THIS sequencer.reg[0x07] & 0x1) == CIRRUS_SR7_BPP_SVGA) {
|
|
switch (BX_CIRRUS_THIS sequencer.reg[0x07] & CIRRUS_SR7_BPP_MASK) {
|
|
case CIRRUS_SR7_BPP_8:
|
|
iBpp = 8;
|
|
iDispBpp = 8;
|
|
break;
|
|
case CIRRUS_SR7_BPP_16_DOUBLEVCLK:
|
|
case CIRRUS_SR7_BPP_16:
|
|
iBpp = 16;
|
|
iDispBpp = (BX_CIRRUS_THIS hidden_dac.data & 0x1) ? 16 : 15;
|
|
break;
|
|
case CIRRUS_SR7_BPP_24:
|
|
iBpp = 24;
|
|
iDispBpp = 24;
|
|
break;
|
|
case CIRRUS_SR7_BPP_32:
|
|
iBpp = 32;
|
|
iDispBpp = 32;
|
|
break;
|
|
default:
|
|
BX_PANIC(("unknown bpp - seqencer.reg[0x07] = %02x",BX_CIRRUS_THIS sequencer.reg[0x07]));
|
|
break;
|
|
}
|
|
}
|
|
BX_INFO(("switched to %u x %u x %u",width,iHeight,iDispBpp));
|
|
|
|
BX_CIRRUS_THIS svga_xres = width;
|
|
BX_CIRRUS_THIS svga_yres = iHeight;
|
|
BX_CIRRUS_THIS svga_bpp = iBpp;
|
|
BX_CIRRUS_THIS svga_dispbpp = iDispBpp;
|
|
BX_CIRRUS_THIS disp_ptr = BX_CIRRUS_THIS vidmem + iTopOffset;
|
|
}
|
|
|
|
void
|
|
bx_svga_cirrus_c::draw_hardware_cursor(unsigned xc, unsigned yc, bx_svga_tileinfo_t *info)
|
|
{
|
|
if (BX_CIRRUS_THIS hw_cursor.size &&
|
|
(xc < BX_CIRRUS_THIS hw_cursor.x+BX_CIRRUS_THIS hw_cursor.size) &&
|
|
(xc+X_TILESIZE > BX_CIRRUS_THIS hw_cursor.x) &&
|
|
(yc < BX_CIRRUS_THIS hw_cursor.y+BX_CIRRUS_THIS hw_cursor.size) &&
|
|
(yc+Y_TILESIZE > BX_CIRRUS_THIS hw_cursor.y)) {
|
|
int i;
|
|
unsigned w, h, pitch, cx, cy, cx0, cy0, cx1, cy1;
|
|
|
|
Bit8u * tile_ptr, * tile_ptr2;
|
|
Bit8u * plane0_ptr, *plane0_ptr2;
|
|
Bit8u * plane1_ptr, *plane1_ptr2;
|
|
unsigned long fgcol, bgcol;
|
|
Bit64u plane0, plane1;
|
|
|
|
cx0 = BX_CIRRUS_THIS hw_cursor.x > xc ? BX_CIRRUS_THIS hw_cursor.x : xc;
|
|
cy0 = BX_CIRRUS_THIS hw_cursor.y > yc ? BX_CIRRUS_THIS hw_cursor.y : yc;
|
|
cx1 = BX_CIRRUS_THIS hw_cursor.x+BX_CIRRUS_THIS hw_cursor.size < xc+X_TILESIZE ? BX_CIRRUS_THIS hw_cursor.x+BX_CIRRUS_THIS hw_cursor.size : xc+X_TILESIZE;
|
|
cy1 = BX_CIRRUS_THIS hw_cursor.y+BX_CIRRUS_THIS hw_cursor.size < yc+Y_TILESIZE ? BX_CIRRUS_THIS hw_cursor.y+BX_CIRRUS_THIS hw_cursor.size : yc+Y_TILESIZE;
|
|
|
|
tile_ptr = bx_gui->graphics_tile_get(xc, yc, &w, &h) +
|
|
info->pitch * (cy0 - yc) + (info->bpp / 8) * (cx0 - xc);
|
|
plane0_ptr = BX_CIRRUS_THIS vidmem + BX_CIRRUS_THIS memsize - 16384;
|
|
|
|
switch (BX_CIRRUS_THIS hw_cursor.size) {
|
|
case 32:
|
|
plane0_ptr += (BX_CIRRUS_THIS sequencer.reg[0x13] & 0x3f) * 256;
|
|
plane1_ptr = plane0_ptr + 128;
|
|
pitch = 4;
|
|
break;
|
|
|
|
case 64:
|
|
plane0_ptr += (BX_CIRRUS_THIS sequencer.reg[0x13] & 0x3c) * 256;
|
|
plane1_ptr = plane0_ptr + 8;
|
|
pitch = 16;
|
|
break;
|
|
|
|
default:
|
|
BX_ERROR(("unsupported hardware cursor size"));
|
|
return;
|
|
break;
|
|
}
|
|
|
|
fgcol = MAKE_COLOUR(
|
|
BX_CIRRUS_THIS hidden_dac.palette[45], 6, info->red_shift, info->red_mask,
|
|
BX_CIRRUS_THIS hidden_dac.palette[46], 6, info->green_shift, info->green_mask,
|
|
BX_CIRRUS_THIS hidden_dac.palette[47], 6, info->blue_shift, info->blue_mask);
|
|
bgcol = MAKE_COLOUR(
|
|
BX_CIRRUS_THIS hidden_dac.palette[0], 6, info->red_shift, info->red_mask,
|
|
BX_CIRRUS_THIS hidden_dac.palette[1], 6, info->green_shift, info->green_mask,
|
|
BX_CIRRUS_THIS hidden_dac.palette[2], 6, info->blue_shift, info->blue_mask);
|
|
|
|
plane0_ptr += pitch * (cy0 - BX_CIRRUS_THIS hw_cursor.y);
|
|
plane1_ptr += pitch * (cy0 - BX_CIRRUS_THIS hw_cursor.y);
|
|
for (cy=cy0; cy<cy1; cy++) {
|
|
tile_ptr2 = tile_ptr + (info->bpp/8) * (cx1 - cx0) - 1;
|
|
plane0_ptr2 = plane0_ptr;
|
|
plane1_ptr2 = plane1_ptr;
|
|
plane0 = plane1 = 0;
|
|
for (i=0; i<BX_CIRRUS_THIS hw_cursor.size; i+=8) {
|
|
plane0 = (plane0 << 8) | *(plane0_ptr2++);
|
|
plane1 = (plane1 << 8) | *(plane1_ptr2++);
|
|
}
|
|
plane0 >>= BX_CIRRUS_THIS hw_cursor.x+BX_CIRRUS_THIS hw_cursor.size - cx1;
|
|
plane1 >>= BX_CIRRUS_THIS hw_cursor.x+BX_CIRRUS_THIS hw_cursor.size - cx1;
|
|
for (cx=cx0; cx<cx1; cx++) {
|
|
if (plane0 & 1) {
|
|
if (plane1 & 1) {
|
|
if (info->is_little_endian) {
|
|
for (i=info->bpp-8; i>-8; i-=8) {
|
|
*(tile_ptr2--) = fgcol >> i;
|
|
}
|
|
}
|
|
else {
|
|
for (i=0; i<info->bpp; i+=8) {
|
|
*(tile_ptr2--) = fgcol >> i;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
for (i=0; i<info->bpp; i+=8) {
|
|
*(tile_ptr2--) ^= 0xff;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
if (plane1 & 1) {
|
|
if (info->is_little_endian) {
|
|
for (i=info->bpp-8; i>-8; i-=8) {
|
|
*(tile_ptr2--) = bgcol >> i;
|
|
}
|
|
}
|
|
else {
|
|
for (i=0; i<info->bpp; i+=8) {
|
|
*(tile_ptr2--) = bgcol >> i;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
tile_ptr2 -= (info->bpp/8);
|
|
}
|
|
}
|
|
plane0 >>= 1;
|
|
plane1 >>= 1;
|
|
}
|
|
tile_ptr += info->pitch;
|
|
plane0_ptr += pitch;
|
|
plane1_ptr += pitch;
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
bx_svga_cirrus_c::svga_update(void)
|
|
{
|
|
unsigned width, height, pitch;
|
|
|
|
/* skip screen update when the sequencer is in reset mode or video is disabled */
|
|
if (! BX_CIRRUS_THIS s.sequencer.reset1 ||
|
|
! BX_CIRRUS_THIS s.sequencer.reset2 ||
|
|
! BX_CIRRUS_THIS s.attribute_ctrl.video_enabled) {
|
|
return;
|
|
}
|
|
|
|
if ((BX_CIRRUS_THIS sequencer.reg[0x07] & 0x01) == CIRRUS_SR7_BPP_VGA) {
|
|
if (BX_CIRRUS_THIS svga_needs_update_mode) {
|
|
BX_CIRRUS_THIS s.vga_mem_updated = 1;
|
|
BX_CIRRUS_THIS svga_needs_update_mode = false;
|
|
}
|
|
BX_CIRRUS_THIS bx_vga_c::update();
|
|
return;
|
|
}
|
|
else {
|
|
if (BX_CIRRUS_THIS svga_needs_update_mode) {
|
|
svga_modeupdate();
|
|
}
|
|
}
|
|
|
|
width = BX_CIRRUS_THIS svga_xres;
|
|
height = BX_CIRRUS_THIS svga_yres;
|
|
pitch = BX_CIRRUS_THIS svga_pitch;
|
|
|
|
if (BX_CIRRUS_THIS svga_needs_update_mode) {
|
|
width = BX_CIRRUS_THIS svga_xres;
|
|
height = BX_CIRRUS_THIS svga_yres;
|
|
bx_gui->dimension_update(width, height, 0, 0, BX_CIRRUS_THIS svga_dispbpp);
|
|
BX_CIRRUS_THIS svga_needs_update_mode = false;
|
|
BX_CIRRUS_THIS svga_needs_update_dispentire = true;
|
|
}
|
|
|
|
if (BX_CIRRUS_THIS svga_needs_update_dispentire) {
|
|
BX_CIRRUS_THIS redraw_area(0,0,width,height);
|
|
BX_CIRRUS_THIS svga_needs_update_dispentire = false;
|
|
}
|
|
|
|
if (!BX_CIRRUS_THIS svga_needs_update_tile) {
|
|
return;
|
|
}
|
|
BX_CIRRUS_THIS svga_needs_update_tile = false;
|
|
|
|
unsigned xc, yc, xti, yti;
|
|
unsigned r, c, w, h;
|
|
int i;
|
|
unsigned long red, green, blue, colour;
|
|
Bit8u * vid_ptr, * vid_ptr2;
|
|
Bit8u * tile_ptr, * tile_ptr2;
|
|
bx_svga_tileinfo_t info;
|
|
|
|
if (bx_gui->graphics_tile_info(&info)) {
|
|
if (info.is_indexed) {
|
|
switch (BX_CIRRUS_THIS svga_dispbpp) {
|
|
case 4:
|
|
case 15:
|
|
case 16:
|
|
case 24:
|
|
case 32:
|
|
BX_ERROR(("current guest pixel format is unsupported on indexed colour host displays"));
|
|
break;
|
|
case 8:
|
|
for (yc=0, yti = 0; yc<height; yc+=Y_TILESIZE, yti++) {
|
|
for (xc=0, xti = 0; xc<width; xc+=X_TILESIZE, xti++) {
|
|
if (GET_TILE_UPDATED (xti, yti)) {
|
|
vid_ptr = BX_CIRRUS_THIS disp_ptr + (yc * pitch + xc);
|
|
tile_ptr = bx_gui->graphics_tile_get(xc, yc, &w, &h);
|
|
for (r=0; r<h; r++) {
|
|
vid_ptr2 = vid_ptr;
|
|
tile_ptr2 = tile_ptr;
|
|
for (c=0; c<w; c++) {
|
|
colour = 0;
|
|
for (i=0; i<(int)BX_CIRRUS_THIS svga_bpp; i+=8) {
|
|
colour |= *(vid_ptr2++) << i;
|
|
}
|
|
if (info.is_little_endian) {
|
|
for (i=0; i<info.bpp; i+=8) {
|
|
*(tile_ptr2++) = colour >> i;
|
|
}
|
|
}
|
|
else {
|
|
for (i=info.bpp-8; i>-8; i-=8) {
|
|
*(tile_ptr2++) = colour >> i;
|
|
}
|
|
}
|
|
}
|
|
vid_ptr += pitch;
|
|
tile_ptr += info.pitch;
|
|
}
|
|
// FIXME? hardware cursor unsupported
|
|
bx_gui->graphics_tile_update_in_place(xc, yc, w, h);
|
|
SET_TILE_UPDATED (xti, yti, 0);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
else {
|
|
switch (BX_CIRRUS_THIS svga_dispbpp) {
|
|
case 4:
|
|
BX_ERROR(("cannot draw 4bpp SVGA"));
|
|
break;
|
|
case 8:
|
|
for (yc=0, yti = 0; yc<height; yc+=Y_TILESIZE, yti++) {
|
|
for (xc=0, xti = 0; xc<width; xc+=X_TILESIZE, xti++) {
|
|
if (GET_TILE_UPDATED (xti, yti)) {
|
|
vid_ptr = BX_CIRRUS_THIS disp_ptr + (yc * pitch + xc);
|
|
tile_ptr = bx_gui->graphics_tile_get(xc, yc, &w, &h);
|
|
for (r=0; r<h; r++) {
|
|
vid_ptr2 = vid_ptr;
|
|
tile_ptr2 = tile_ptr;
|
|
for (c=0; c<w; c++) {
|
|
colour = *(vid_ptr2++);
|
|
colour = MAKE_COLOUR(
|
|
BX_CIRRUS_THIS s.pel.data[colour].red, 6, info.red_shift, info.red_mask,
|
|
BX_CIRRUS_THIS s.pel.data[colour].green, 6, info.green_shift, info.green_mask,
|
|
BX_CIRRUS_THIS s.pel.data[colour].blue, 6, info.blue_shift, info.blue_mask);
|
|
if (info.is_little_endian) {
|
|
for (i=0; i<info.bpp; i+=8) {
|
|
*(tile_ptr2++) = colour >> i;
|
|
}
|
|
}
|
|
else {
|
|
for (i=info.bpp-8; i>-8; i-=8) {
|
|
*(tile_ptr2++) = colour >> i;
|
|
}
|
|
}
|
|
}
|
|
vid_ptr += pitch;
|
|
tile_ptr += info.pitch;
|
|
}
|
|
draw_hardware_cursor(xc, yc, &info);
|
|
bx_gui->graphics_tile_update_in_place(xc, yc, w, h);
|
|
SET_TILE_UPDATED (xti, yti, 0);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case 15:
|
|
for (yc=0, yti = 0; yc<height; yc+=Y_TILESIZE, yti++) {
|
|
for (xc=0, xti = 0; xc<width; xc+=X_TILESIZE, xti++) {
|
|
if (GET_TILE_UPDATED (xti, yti)) {
|
|
vid_ptr = BX_CIRRUS_THIS disp_ptr + (yc * pitch + (xc<<1));
|
|
tile_ptr = bx_gui->graphics_tile_get(xc, yc, &w, &h);
|
|
for (r=0; r<h; r++) {
|
|
vid_ptr2 = vid_ptr;
|
|
tile_ptr2 = tile_ptr;
|
|
for (c=0; c<w; c++) {
|
|
colour = *(vid_ptr2++);
|
|
colour |= *(vid_ptr2++) << 8;
|
|
colour = MAKE_COLOUR(
|
|
colour & 0x001f, 5, info.blue_shift, info.blue_mask,
|
|
colour & 0x03e0, 10, info.green_shift, info.green_mask,
|
|
colour & 0x7c00, 15, info.red_shift, info.red_mask);
|
|
if (info.is_little_endian) {
|
|
for (i=0; i<info.bpp; i+=8) {
|
|
*(tile_ptr2++) = colour >> i;
|
|
}
|
|
}
|
|
else {
|
|
for (i=info.bpp-8; i>-8; i-=8) {
|
|
*(tile_ptr2++) = colour >> i;
|
|
}
|
|
}
|
|
}
|
|
vid_ptr += pitch;
|
|
tile_ptr += info.pitch;
|
|
}
|
|
draw_hardware_cursor(xc, yc, &info);
|
|
bx_gui->graphics_tile_update_in_place(xc, yc, w, h);
|
|
SET_TILE_UPDATED (xti, yti, 0);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case 16:
|
|
for (yc=0, yti = 0; yc<height; yc+=Y_TILESIZE, yti++) {
|
|
for (xc=0, xti = 0; xc<width; xc+=X_TILESIZE, xti++) {
|
|
if (GET_TILE_UPDATED (xti, yti)) {
|
|
vid_ptr = BX_CIRRUS_THIS disp_ptr + (yc * pitch + (xc<<1));
|
|
tile_ptr = bx_gui->graphics_tile_get(xc, yc, &w, &h);
|
|
for (r=0; r<h; r++) {
|
|
vid_ptr2 = vid_ptr;
|
|
tile_ptr2 = tile_ptr;
|
|
for (c=0; c<w; c++) {
|
|
colour = *(vid_ptr2++);
|
|
colour |= *(vid_ptr2++) << 8;
|
|
colour = MAKE_COLOUR(
|
|
colour & 0x001f, 5, info.blue_shift, info.blue_mask,
|
|
colour & 0x07e0, 11, info.green_shift, info.green_mask,
|
|
colour & 0xf800, 16, info.red_shift, info.red_mask);
|
|
if (info.is_little_endian) {
|
|
for (i=0; i<info.bpp; i+=8) {
|
|
*(tile_ptr2++) = colour >> i;
|
|
}
|
|
}
|
|
else {
|
|
for (i=info.bpp-8; i>-8; i-=8) {
|
|
*(tile_ptr2++) = colour >> i;
|
|
}
|
|
}
|
|
}
|
|
vid_ptr += pitch;
|
|
tile_ptr += info.pitch;
|
|
}
|
|
draw_hardware_cursor(xc, yc, &info);
|
|
bx_gui->graphics_tile_update_in_place(xc, yc, w, h);
|
|
SET_TILE_UPDATED (xti, yti, 0);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case 24:
|
|
for (yc=0, yti = 0; yc<height; yc+=Y_TILESIZE, yti++) {
|
|
for (xc=0, xti = 0; xc<width; xc+=X_TILESIZE, xti++) {
|
|
if (GET_TILE_UPDATED (xti, yti)) {
|
|
vid_ptr = BX_CIRRUS_THIS disp_ptr + (yc * pitch + 3*xc);
|
|
tile_ptr = bx_gui->graphics_tile_get(xc, yc, &w, &h);
|
|
for (r=0; r<h; r++) {
|
|
vid_ptr2 = vid_ptr;
|
|
tile_ptr2 = tile_ptr;
|
|
for (c=0; c<w; c++) {
|
|
blue = *(vid_ptr2++);
|
|
green = *(vid_ptr2++);
|
|
red = *(vid_ptr2++);
|
|
colour = MAKE_COLOUR(
|
|
red, 8, info.red_shift, info.red_mask,
|
|
green, 8, info.green_shift, info.green_mask,
|
|
blue, 8, info.blue_shift, info.blue_mask);
|
|
if (info.is_little_endian) {
|
|
for (i=0; i<info.bpp; i+=8) {
|
|
*(tile_ptr2++) = colour >> i;
|
|
}
|
|
}
|
|
else {
|
|
for (i=info.bpp-8; i>-8; i-=8) {
|
|
*(tile_ptr2++) = colour >> i;
|
|
}
|
|
}
|
|
}
|
|
vid_ptr += pitch;
|
|
tile_ptr += info.pitch;
|
|
}
|
|
draw_hardware_cursor(xc, yc, &info);
|
|
bx_gui->graphics_tile_update_in_place(xc, yc, w, h);
|
|
SET_TILE_UPDATED (xti, yti, 0);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case 32:
|
|
for (yc=0, yti = 0; yc<height; yc+=Y_TILESIZE, yti++) {
|
|
for (xc=0, xti = 0; xc<width; xc+=X_TILESIZE, xti++) {
|
|
if (GET_TILE_UPDATED (xti, yti)) {
|
|
vid_ptr = BX_CIRRUS_THIS disp_ptr + (yc * pitch + (xc<<2));
|
|
tile_ptr = bx_gui->graphics_tile_get(xc, yc, &w, &h);
|
|
for (r=0; r<h; r++) {
|
|
vid_ptr2 = vid_ptr;
|
|
tile_ptr2 = tile_ptr;
|
|
for (c=0; c<w; c++) {
|
|
blue = *(vid_ptr2++);
|
|
green = *(vid_ptr2++);
|
|
red = *(vid_ptr2++);
|
|
vid_ptr2++;
|
|
colour = MAKE_COLOUR(
|
|
red, 8, info.red_shift, info.red_mask,
|
|
green, 8, info.green_shift, info.green_mask,
|
|
blue, 8, info.blue_shift, info.blue_mask);
|
|
if (info.is_little_endian) {
|
|
for (i=0; i<info.bpp; i+=8) {
|
|
*(tile_ptr2++) = colour >> i;
|
|
}
|
|
}
|
|
else {
|
|
for (i=info.bpp-8; i>-8; i-=8) {
|
|
*(tile_ptr2++) = colour >> i;
|
|
}
|
|
}
|
|
}
|
|
vid_ptr += pitch;
|
|
tile_ptr += info.pitch;
|
|
}
|
|
draw_hardware_cursor(xc, yc, &info);
|
|
bx_gui->graphics_tile_update_in_place(xc, yc, w, h);
|
|
SET_TILE_UPDATED (xti, yti, 0);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
BX_PANIC(("cannot get svga tile info"));
|
|
}
|
|
}
|
|
|
|
void
|
|
bx_svga_cirrus_c::update_bank_ptr(Bit8u bank_index)
|
|
{
|
|
unsigned offset;
|
|
unsigned limit;
|
|
|
|
if (BX_CIRRUS_THIS banking_is_dual())
|
|
offset = BX_CIRRUS_THIS control.reg[0x09 + bank_index];
|
|
else
|
|
offset = BX_CIRRUS_THIS control.reg[0x09];
|
|
|
|
if (BX_CIRRUS_THIS banking_granularity_is_16k())
|
|
offset <<= 14;
|
|
else
|
|
offset <<= 12;
|
|
|
|
if (CIRRUS_VIDEO_MEMORY_BYTES <= offset) {
|
|
limit = 0;
|
|
BX_ERROR(("bank offset %08x is invalid",offset));
|
|
} else {
|
|
limit = CIRRUS_VIDEO_MEMORY_BYTES - offset;
|
|
}
|
|
|
|
if (!BX_CIRRUS_THIS banking_is_dual() && (bank_index != 0)) {
|
|
if (limit > 0x8000) {
|
|
offset += 0x8000;
|
|
limit -= 0x8000;
|
|
} else {
|
|
limit = 0;
|
|
}
|
|
}
|
|
|
|
if (limit > 0) {
|
|
BX_CIRRUS_THIS bank_base[bank_index] = offset;
|
|
BX_CIRRUS_THIS bank_limit[bank_index] = limit;
|
|
} else {
|
|
BX_CIRRUS_THIS bank_base[bank_index] = 0;
|
|
BX_CIRRUS_THIS bank_limit[bank_index] = 0;
|
|
}
|
|
}
|
|
|
|
Bit8u
|
|
bx_svga_cirrus_c::svga_read_crtc(Bit32u address, unsigned index)
|
|
{
|
|
switch (index) {
|
|
case 0x00: // VGA
|
|
case 0x01: // VGA
|
|
case 0x02: // VGA
|
|
case 0x03: // VGA
|
|
case 0x04: // VGA
|
|
case 0x05: // VGA
|
|
case 0x06: // VGA
|
|
case 0x07: // VGA
|
|
case 0x08: // VGA
|
|
case 0x09: // VGA
|
|
case 0x0a: // VGA
|
|
case 0x0b: // VGA
|
|
case 0x0c: // VGA
|
|
case 0x0d: // VGA
|
|
case 0x0e: // VGA
|
|
case 0x0f: // VGA
|
|
case 0x10: // VGA
|
|
case 0x11: // VGA
|
|
case 0x12: // VGA
|
|
case 0x13: // VGA
|
|
case 0x14: // VGA
|
|
case 0x15: // VGA
|
|
case 0x16: // VGA
|
|
case 0x17: // VGA
|
|
case 0x18: // VGA
|
|
break;
|
|
case 0x19:
|
|
case 0x1A:
|
|
case 0x1B:
|
|
case 0x1C:
|
|
case 0x1D:
|
|
case 0x22:
|
|
case 0x24:
|
|
case 0x25:
|
|
case 0x27:
|
|
break;
|
|
case 0x26:
|
|
return (BX_CIRRUS_THIS s.attribute_ctrl.address & 0x3f);
|
|
default:
|
|
BX_ERROR(("CRTC index 0x%02x is unknown(read)", index));
|
|
break;
|
|
}
|
|
|
|
if (index <= VGA_CRTC_MAX) {
|
|
return VGA_READ(address,1);
|
|
}
|
|
|
|
if (index <= CIRRUS_CRTC_MAX) {
|
|
return BX_CIRRUS_THIS crtc.reg[index];
|
|
}
|
|
|
|
return 0xff;
|
|
}
|
|
|
|
void
|
|
bx_svga_cirrus_c::svga_write_crtc(Bit32u address, unsigned index, Bit8u value)
|
|
{
|
|
BX_DEBUG(("crtc: index 0x%02x write 0x%02x", index, (unsigned)value));
|
|
|
|
bx_bool update_pitch = 0;
|
|
|
|
switch (index) {
|
|
case 0x00: // VGA
|
|
case 0x02: // VGA
|
|
case 0x03: // VGA
|
|
case 0x04: // VGA
|
|
case 0x05: // VGA
|
|
case 0x06: // VGA
|
|
case 0x08: // VGA
|
|
case 0x0a: // VGA
|
|
case 0x0b: // VGA
|
|
case 0x0e: // VGA
|
|
case 0x0f: // VGA
|
|
case 0x10: // VGA
|
|
case 0x11: // VGA
|
|
case 0x14: // VGA
|
|
case 0x15: // VGA
|
|
case 0x16: // VGA
|
|
case 0x17: // VGA
|
|
case 0x18: // VGA
|
|
break;
|
|
|
|
case 0x01: // VGA
|
|
case 0x07: // VGA
|
|
case 0x09: // VGA
|
|
case 0x0c: // VGA (display offset 0x00ff00)
|
|
case 0x0d: // VGA (display offset 0x0000ff)
|
|
case 0x12: // VGA
|
|
case 0x1A: // 0x01: interlaced video mode
|
|
case 0x1D: // 0x80: offset 0x080000 (>=CLGD5434)
|
|
BX_CIRRUS_THIS svga_needs_update_mode = true;
|
|
break;
|
|
|
|
case 0x13: // VGA
|
|
case 0x1B: // 0x01: offset 0x010000, 0x0c: offset 0x060000
|
|
update_pitch = 1;
|
|
break;
|
|
|
|
case 0x19:
|
|
case 0x1C:
|
|
break;
|
|
|
|
default:
|
|
BX_ERROR(("CRTC index 0x%02x is unknown(write 0x%02x)", index, (unsigned)value));
|
|
return;
|
|
}
|
|
|
|
if (index <= CIRRUS_CRTC_MAX) {
|
|
BX_CIRRUS_THIS crtc.reg[index] = value;
|
|
}
|
|
if (index <= VGA_CRTC_MAX) {
|
|
VGA_WRITE(address,value,1);
|
|
}
|
|
|
|
if (update_pitch) {
|
|
BX_CIRRUS_THIS svga_pitch = (BX_CIRRUS_THIS crtc.reg[0x13] << 3) | ((BX_CIRRUS_THIS crtc.reg[0x1b] & 0x10) << 7);
|
|
BX_CIRRUS_THIS svga_needs_update_mode = true;
|
|
}
|
|
}
|
|
|
|
Bit8u
|
|
bx_svga_cirrus_c::svga_read_sequencer(Bit32u address, unsigned index)
|
|
{
|
|
switch (index) {
|
|
case 0x00: // VGA
|
|
case 0x01: // VGA
|
|
case 0x02: // VGA
|
|
case 0x03: // VGA
|
|
case 0x04: // VGA
|
|
break;
|
|
case 0x6: // cirrus unlock extensions
|
|
case 0x7: // cirrus extended sequencer mode
|
|
case 0xf: // cirrus dram control
|
|
case 0x12: // graphics cursor attribute
|
|
case 0x13: // graphics cursor pattern address offset
|
|
case 0x17: // configuration readback & extended control
|
|
break;
|
|
case 0x10: // cursor xpos << 5 (index & 0x3f)
|
|
case 0x30:
|
|
case 0x50:
|
|
case 0x70:
|
|
case 0x90:
|
|
case 0xb0:
|
|
case 0xd0:
|
|
case 0xf0:
|
|
return BX_CIRRUS_THIS sequencer.reg[0x10];
|
|
case 0x11: // cursor ypos << 5 (index & 0x3f)
|
|
case 0x31:
|
|
case 0x51:
|
|
case 0x71:
|
|
case 0x91:
|
|
case 0xb1:
|
|
case 0xd1:
|
|
case 0xf1:
|
|
return BX_CIRRUS_THIS sequencer.reg[0x11];
|
|
default:
|
|
BX_INFO (("sequencer index 0x%02x is unknown(read)", index));
|
|
break;
|
|
}
|
|
|
|
if (index <= VGA_SEQENCER_MAX) {
|
|
return VGA_READ(address,1);
|
|
}
|
|
|
|
if (index <= CIRRUS_SEQENCER_MAX) {
|
|
return BX_CIRRUS_THIS sequencer.reg[index];
|
|
}
|
|
|
|
return 0xff;
|
|
}
|
|
|
|
void
|
|
bx_svga_cirrus_c::svga_write_sequencer(Bit32u address, unsigned index, Bit8u value)
|
|
{
|
|
BX_DEBUG(("sequencer: index 0x%02x write 0x%02x", index, (unsigned)value));
|
|
|
|
bx_bool update_cursor = 0;
|
|
Bit16u x, y, size;
|
|
|
|
x = BX_CIRRUS_THIS hw_cursor.x;
|
|
y = BX_CIRRUS_THIS hw_cursor.y;
|
|
size = BX_CIRRUS_THIS hw_cursor.size;
|
|
|
|
switch (index) {
|
|
case 0x00: // VGA
|
|
case 0x02: // VGA
|
|
case 0x03: // VGA
|
|
break;
|
|
case 0x01: // VGA
|
|
case 0x04: // VGA
|
|
BX_CIRRUS_THIS svga_needs_update_mode = true;
|
|
break;
|
|
case 0x6: // cirrus unlock extensions
|
|
value &= 0x17;
|
|
if (value == 0x12) {
|
|
BX_CIRRUS_THIS svga_unlock_special = true;
|
|
BX_CIRRUS_THIS sequencer.reg[0x6] = 0x12;
|
|
}
|
|
else {
|
|
BX_CIRRUS_THIS svga_unlock_special = false;
|
|
BX_CIRRUS_THIS sequencer.reg[0x6] = 0x0f;
|
|
}
|
|
return;
|
|
case 0x7: // cirrus extended sequencer mode
|
|
if (value != BX_CIRRUS_THIS sequencer.reg[0x7]) {
|
|
BX_CIRRUS_THIS svga_needs_update_mode = true;
|
|
}
|
|
break;
|
|
case 0x08:
|
|
case 0x09:
|
|
case 0x0a: // cirrus scratch reg 1
|
|
case 0x0b:
|
|
case 0x0c:
|
|
case 0x0d:
|
|
case 0x0e:
|
|
case 0x1b:
|
|
case 0x1c:
|
|
case 0x1d:
|
|
case 0x1e:
|
|
break;
|
|
case 0x0f:
|
|
return;
|
|
case 0x10: // cursor xpos << 5 (index & 0x3f)
|
|
case 0x30:
|
|
case 0x50:
|
|
case 0x70:
|
|
case 0x90:
|
|
case 0xb0:
|
|
case 0xd0:
|
|
case 0xf0:
|
|
BX_CIRRUS_THIS sequencer.reg[0x10] = value;
|
|
x = BX_CIRRUS_THIS hw_cursor.x;
|
|
BX_CIRRUS_THIS hw_cursor.x = (value << 3) | (index >> 5);
|
|
update_cursor = 1;
|
|
break;
|
|
case 0x11: // cursor ypos << 5 (index & 0x3f)
|
|
case 0x31:
|
|
case 0x51:
|
|
case 0x71:
|
|
case 0x91:
|
|
case 0xb1:
|
|
case 0xd1:
|
|
case 0xf1:
|
|
BX_CIRRUS_THIS sequencer.reg[0x11] = value;
|
|
y = BX_CIRRUS_THIS hw_cursor.y;
|
|
BX_CIRRUS_THIS hw_cursor.y = (value << 3) | (index >> 5);
|
|
update_cursor = 1;
|
|
break;
|
|
case 0x12:
|
|
size = BX_CIRRUS_THIS hw_cursor.size;
|
|
if (value & CIRRUS_CURSOR_SHOW) {
|
|
if (value & CIRRUS_CURSOR_LARGE) {
|
|
BX_CIRRUS_THIS hw_cursor.size = 64;
|
|
}
|
|
else {
|
|
BX_CIRRUS_THIS hw_cursor.size = 32;
|
|
}
|
|
}
|
|
else {
|
|
BX_CIRRUS_THIS hw_cursor.size = 0;
|
|
}
|
|
update_cursor = 1;
|
|
break;
|
|
case 0x13:
|
|
update_cursor = 1;
|
|
break;
|
|
case 0x17:
|
|
value = (BX_CIRRUS_THIS sequencer.reg[0x17] & 0x38) | (value & 0xc7);
|
|
break;
|
|
default:
|
|
BX_INFO (("sequencer index 0x%02x is unknown(write 0x%02x)", index, (unsigned)value));
|
|
break;
|
|
}
|
|
|
|
if (update_cursor) {
|
|
BX_CIRRUS_THIS redraw_area(x, y, size, size);
|
|
BX_CIRRUS_THIS redraw_area(BX_CIRRUS_THIS hw_cursor.x, BX_CIRRUS_THIS hw_cursor.y, BX_CIRRUS_THIS hw_cursor.size, BX_CIRRUS_THIS hw_cursor.size);
|
|
}
|
|
|
|
if (index <= CIRRUS_SEQENCER_MAX) {
|
|
BX_CIRRUS_THIS sequencer.reg[index] = value;
|
|
}
|
|
if (index <= VGA_SEQENCER_MAX) {
|
|
VGA_WRITE(address,value,1);
|
|
}
|
|
}
|
|
|
|
Bit8u
|
|
bx_svga_cirrus_c::svga_read_control(Bit32u address, unsigned index)
|
|
{
|
|
switch (index) {
|
|
case 0x00: // VGA
|
|
return BX_CIRRUS_THIS control.shadow_reg0;
|
|
case 0x01: // VGA
|
|
return BX_CIRRUS_THIS control.shadow_reg1;
|
|
case 0x05: // VGA
|
|
return BX_CIRRUS_THIS control.reg[index];
|
|
case 0x02: // VGA
|
|
case 0x03: // VGA
|
|
case 0x04: // VGA
|
|
case 0x06: // VGA
|
|
case 0x07: // VGA
|
|
case 0x08: // VGA
|
|
break;
|
|
case 0x09: // bank offset #0
|
|
case 0x0A: // bank offset #1
|
|
case 0x0B:
|
|
break;
|
|
|
|
case 0x10: // BGCOLOR 0x0000ff00
|
|
case 0x11: // FGCOLOR 0x0000ff00
|
|
case 0x12: // BGCOLOR 0x00ff0000
|
|
case 0x13: // FGCOLOR 0x00ff0000
|
|
case 0x14: // BGCOLOR 0xff000000
|
|
case 0x15: // FGCOLOR 0xff000000
|
|
break;
|
|
|
|
case 0x20: // BLT WIDTH 0x0000ff
|
|
case 0x21: // BLT WIDTH 0x001f00
|
|
case 0x22: // BLT HEIGHT 0x0000ff
|
|
case 0x23: // BLT HEIGHT 0x001f00
|
|
case 0x24: // BLT DEST PITCH 0x0000ff
|
|
case 0x25: // BLT DEST PITCH 0x001f00
|
|
case 0x26: // BLT SRC PITCH 0x0000ff
|
|
case 0x27: // BLT SRC PITCH 0x001f00
|
|
case 0x28: // BLT DEST ADDR 0x0000ff
|
|
case 0x29: // BLT DEST ADDR 0x00ff00
|
|
case 0x2a: // BLT DEST ADDR 0x3f0000
|
|
case 0x2c: // BLT SRC ADDR 0x0000ff
|
|
case 0x2d: // BLT SRC ADDR 0x00ff00
|
|
case 0x2e: // BLT SRC ADDR 0x3f0000
|
|
case 0x2f: // BLT WRITE MASK
|
|
case 0x30: // BLT MODE
|
|
case 0x31: // BLT STATUS
|
|
case 0x32: // RASTER OP
|
|
case 0x33: // BLT MODE EXTENSION
|
|
case 0x34: // BLT TRANSPARENT COLOR 0x00ff
|
|
case 0x35: // BLT TRANSPARENT COLOR 0xff00
|
|
case 0x38: // BLT TRANSPARENT COLOR MASK 0x00ff
|
|
case 0x39: // BLT TRANSPARENT COLOR MASK 0xff00
|
|
break;
|
|
|
|
default:
|
|
BX_INFO (("control index 0x%02x is unknown(read)", index));
|
|
break;
|
|
}
|
|
|
|
if (index <= VGA_CONTROL_MAX) {
|
|
return VGA_READ(address,1);
|
|
}
|
|
|
|
if (index <= CIRRUS_CONTROL_MAX) {
|
|
return BX_CIRRUS_THIS control.reg[index];
|
|
}
|
|
|
|
return 0xff;
|
|
}
|
|
|
|
void
|
|
bx_svga_cirrus_c::svga_write_control(Bit32u address, unsigned index, Bit8u value)
|
|
{
|
|
Bit8u old_value;
|
|
|
|
BX_DEBUG(("control: index 0x%02x write 0x%02x", index, (unsigned)value));
|
|
|
|
switch (index) {
|
|
case 0x00: // VGA
|
|
BX_CIRRUS_THIS control.shadow_reg0 = value;
|
|
break;
|
|
case 0x01: // VGA
|
|
BX_CIRRUS_THIS control.shadow_reg1 = value;
|
|
break;
|
|
case 0x02: // VGA
|
|
case 0x03: // VGA
|
|
case 0x04: // VGA
|
|
case 0x07: // VGA
|
|
case 0x08: // VGA
|
|
break;
|
|
case 0x05: // VGA
|
|
case 0x06: // VGA
|
|
BX_CIRRUS_THIS svga_needs_update_mode = true;
|
|
break;
|
|
case 0x09: // bank offset #0
|
|
case 0x0A: // bank offset #1
|
|
case 0x0B:
|
|
BX_CIRRUS_THIS control.reg[index] = value;
|
|
update_bank_ptr(0);
|
|
update_bank_ptr(1);
|
|
break;
|
|
|
|
case 0x10: // BGCOLOR 0x0000ff00
|
|
case 0x11: // FGCOLOR 0x0000ff00
|
|
case 0x12: // BGCOLOR 0x00ff0000
|
|
case 0x13: // FGCOLOR 0x00ff0000
|
|
case 0x14: // BGCOLOR 0xff000000
|
|
case 0x15: // FGCOLOR 0xff000000
|
|
break;
|
|
|
|
case 0x20: // BLT WIDTH 0x0000ff
|
|
break;
|
|
case 0x21: // BLT WIDTH 0x001f00
|
|
value &= 0x1f;
|
|
break;
|
|
case 0x22: // BLT HEIGHT 0x0000ff
|
|
break;
|
|
case 0x23: // BLT HEIGHT 0x001f00
|
|
value &= 0x1f;
|
|
break;
|
|
case 0x24: // BLT DEST PITCH 0x0000ff
|
|
break;
|
|
case 0x25: // BLT DEST PITCH 0x001f00
|
|
value &= 0x1f;
|
|
break;
|
|
case 0x26: // BLT SRC PITCH 0x0000ff
|
|
break;
|
|
case 0x27: // BLT SRC PITCH 0x001f00
|
|
value &= 0x1f;
|
|
break;
|
|
case 0x28: // BLT DEST ADDR 0x0000ff
|
|
break;
|
|
case 0x29: // BLT DEST ADDR 0x00ff00
|
|
break;
|
|
case 0x2a: // BLT DEST ADDR 0x3f0000
|
|
BX_CIRRUS_THIS control.reg[index] = value & 0x3f;
|
|
if (BX_CIRRUS_THIS control.reg[0x31] & CIRRUS_BLT_AUTOSTART) {
|
|
svga_bitblt();
|
|
}
|
|
return;
|
|
case 0x2c: // BLT SRC ADDR 0x0000ff
|
|
break;
|
|
case 0x2d: // BLT SRC ADDR 0x00ff00
|
|
break;
|
|
case 0x2e: // BLT SRC ADDR 0x3f0000
|
|
value &= 0x3f;
|
|
break;
|
|
case 0x2f: // BLT WRITE MASK
|
|
if (value & 0x80) {
|
|
BX_ERROR(("BLT WRITE MASK support is not complete (value = 0x%02x)", value));
|
|
}
|
|
break;
|
|
case 0x30: // BLT MODE
|
|
break;
|
|
case 0x31: // BLT STATUS/START
|
|
old_value = BX_CIRRUS_THIS control.reg[0x31];
|
|
BX_CIRRUS_THIS control.reg[0x31] = value;
|
|
if (((old_value & CIRRUS_BLT_RESET) != 0) &&
|
|
((value & CIRRUS_BLT_RESET) == 0)) {
|
|
svga_reset_bitblt();
|
|
}
|
|
else if (((old_value & CIRRUS_BLT_START) == 0) &&
|
|
((value & CIRRUS_BLT_START) != 0)) {
|
|
BX_CIRRUS_THIS control.reg[0x31] |= CIRRUS_BLT_BUSY;
|
|
svga_bitblt();
|
|
}
|
|
return;
|
|
case 0x32: // RASTER OP
|
|
case 0x33: // BLT MODE EXTENSION
|
|
break;
|
|
case 0x34: // BLT TRANSPARENT COLOR 0x00ff
|
|
case 0x35: // BLT TRANSPARENT COLOR 0xff00
|
|
case 0x38: // BLT TRANSPARENT COLOR MASK 0x00ff
|
|
case 0x39: // BLT TRANSPARENT COLOR MASK 0xff00
|
|
default:
|
|
BX_INFO (("control index 0x%02x is unknown(write 0x%02x)", index, (unsigned)value));
|
|
break;
|
|
}
|
|
|
|
if (index <= CIRRUS_CONTROL_MAX) {
|
|
BX_CIRRUS_THIS control.reg[index] = value;
|
|
}
|
|
if (index <= VGA_CONTROL_MAX) {
|
|
VGA_WRITE(address,value,1);
|
|
}
|
|
}
|
|
|
|
Bit8u
|
|
bx_svga_cirrus_c::svga_mmio_vga_read(Bit32u address)
|
|
{
|
|
Bit8u value = 0xff;
|
|
// bx_bool svga_unlock_special_old = BX_CIRRUS_THIS svga_unlock_special;
|
|
|
|
BX_DEBUG(("MMIO vga read - address 0x%04x, value 0x%02x",address,value));
|
|
|
|
// BX_CIRRUS_THIS svga_unlock_special = true;
|
|
|
|
#if BX_USE_CIRRUS_SMF
|
|
value = (Bit8u)svga_read_handler(theSvga,0x3c0+address,1);
|
|
#else // BX_USE_CIRRUS_SMF
|
|
value = (Bit8u)svga_read(0x3c0+address,1);
|
|
#endif // BX_USE_CIRRUS_SMF
|
|
|
|
// BX_CIRRUS_THIS svga_unlock_special = svga_unlock_special_old;
|
|
return value;
|
|
}
|
|
|
|
void
|
|
bx_svga_cirrus_c::svga_mmio_vga_write(Bit32u address,Bit8u value)
|
|
{
|
|
// bx_bool svga_unlock_special_old = BX_CIRRUS_THIS svga_unlock_special;
|
|
|
|
BX_DEBUG(("MMIO vga write - address 0x%04x, value 0x%02x",address,value));
|
|
|
|
// BX_CIRRUS_THIS svga_unlock_special = true;
|
|
|
|
#if BX_USE_CIRRUS_SMF
|
|
svga_write_handler(theSvga,0x3c0+address,value,1);
|
|
#else // BX_USE_CIRRUS_SMF
|
|
svga_write(0x3c0+address,value,1);
|
|
#endif // BX_USE_CIRRUS_SMF
|
|
|
|
/* switch (BX_CIRRUS_THIS sequencer.reg[0x06]) {
|
|
case 0x0f:
|
|
svga_unlock_special_old = false;
|
|
break;
|
|
case 0x12:
|
|
svga_unlock_special_old = true;
|
|
break;
|
|
}
|
|
|
|
BX_CIRRUS_THIS svga_unlock_special = svga_unlock_special_old;*/
|
|
}
|
|
|
|
Bit8u
|
|
bx_svga_cirrus_c::svga_mmio_blt_read(Bit32u address)
|
|
{
|
|
Bit8u value = 0xff;
|
|
|
|
switch (address) {
|
|
case (CLGD543x_MMIO_BLTBGCOLOR+0):
|
|
value = BX_CIRRUS_THIS control.shadow_reg0;
|
|
break;
|
|
case (CLGD543x_MMIO_BLTBGCOLOR+1):
|
|
value = svga_read_control(0x3cf,0x10);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTBGCOLOR+2):
|
|
value = svga_read_control(0x3cf,0x12);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTBGCOLOR+3):
|
|
value = svga_read_control(0x3cf,0x14);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTFGCOLOR+0):
|
|
value = BX_CIRRUS_THIS control.shadow_reg1;
|
|
break;
|
|
case (CLGD543x_MMIO_BLTFGCOLOR+1):
|
|
value = svga_read_control(0x3cf,0x11);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTFGCOLOR+2):
|
|
value = svga_read_control(0x3cf,0x13);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTFGCOLOR+3):
|
|
value = svga_read_control(0x3cf,0x15);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTWIDTH+0):
|
|
value = svga_read_control(0x3cf,0x20);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTWIDTH+1):
|
|
value = svga_read_control(0x3cf,0x21);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTHEIGHT+0):
|
|
value = svga_read_control(0x3cf,0x22);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTHEIGHT+1):
|
|
value = svga_read_control(0x3cf,0x23);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTDESTPITCH+0):
|
|
value = svga_read_control(0x3cf,0x24);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTDESTPITCH+1):
|
|
value = svga_read_control(0x3cf,0x25);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTSRCPITCH+0):
|
|
value = svga_read_control(0x3cf,0x26);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTSRCPITCH+1):
|
|
value = svga_read_control(0x3cf,0x27);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTDESTADDR+0):
|
|
value = svga_read_control(0x3cf,0x28);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTDESTADDR+1):
|
|
value = svga_read_control(0x3cf,0x29);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTDESTADDR+2):
|
|
value = svga_read_control(0x3cf,0x2a);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTDESTADDR+3):
|
|
value = svga_read_control(0x3cf,0x2b);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTSRCADDR+0):
|
|
value = svga_read_control(0x3cf,0x2c);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTSRCADDR+1):
|
|
value = svga_read_control(0x3cf,0x2d);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTSRCADDR+2):
|
|
value = svga_read_control(0x3cf,0x2e);
|
|
break;
|
|
case CLGD543x_MMIO_BLTWRITEMASK:
|
|
value = svga_read_control(0x3cf,0x2f);
|
|
break;
|
|
case CLGD543x_MMIO_BLTMODE:
|
|
value = svga_read_control(0x3cf,0x30);
|
|
break;
|
|
case CLGD543x_MMIO_BLTROP:
|
|
value = svga_read_control(0x3cf,0x32);
|
|
break;
|
|
case CLGD543x_MMIO_BLTMODEEXT:
|
|
value = svga_read_control(0x3cf,0x33);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTTRANSPARENTCOLOR+0):
|
|
value = svga_read_control(0x3cf,0x34);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTTRANSPARENTCOLOR+1):
|
|
value = svga_read_control(0x3cf,0x35);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTTRANSPARENTCOLOR+2):
|
|
BX_ERROR(("CLGD543x_MMIO_BLTTRANSPARENTCOLOR"));
|
|
break;
|
|
case (CLGD543x_MMIO_BLTTRANSPARENTCOLOR+3):
|
|
BX_ERROR(("CLGD543x_MMIO_BLTTRANSPARENTCOLOR"));
|
|
break;
|
|
case (CLGD543x_MMIO_BLTTRANSPARENTCOLORMASK+0):
|
|
value = svga_read_control(0x3cf,0x38);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTTRANSPARENTCOLORMASK+1):
|
|
value = svga_read_control(0x3cf,0x39);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTTRANSPARENTCOLORMASK+2):
|
|
BX_ERROR(("CLGD543x_MMIO_BLTTRANSPARENTCOLORMASK"));
|
|
break;
|
|
case (CLGD543x_MMIO_BLTTRANSPARENTCOLORMASK+3):
|
|
BX_ERROR(("CLGD543x_MMIO_BLTTRANSPARENTCOLORMASK"));
|
|
break;
|
|
case CLGD543x_MMIO_BLTSTATUS:
|
|
value = svga_read_control(0x3cf,0x31);
|
|
break;
|
|
default:
|
|
BX_ERROR(("MMIO blt read - address 0x%04x",address));
|
|
break;
|
|
}
|
|
|
|
BX_DEBUG(("MMIO blt read - address 0x%04x, value 0x%02x",address,value));
|
|
|
|
return value;
|
|
}
|
|
|
|
void
|
|
bx_svga_cirrus_c::svga_mmio_blt_write(Bit32u address,Bit8u value)
|
|
{
|
|
BX_DEBUG(("MMIO blt write - address 0x%04x, value 0x%02x",address,value));
|
|
|
|
switch (address) {
|
|
case (CLGD543x_MMIO_BLTBGCOLOR+0):
|
|
BX_CIRRUS_THIS control.shadow_reg0 = value;
|
|
break;
|
|
case (CLGD543x_MMIO_BLTBGCOLOR+1):
|
|
svga_write_control(0x3cf,0x10,value);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTBGCOLOR+2):
|
|
svga_write_control(0x3cf,0x12,value);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTBGCOLOR+3):
|
|
svga_write_control(0x3cf,0x14,value);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTFGCOLOR+0):
|
|
BX_CIRRUS_THIS control.shadow_reg1 = value;
|
|
break;
|
|
case (CLGD543x_MMIO_BLTFGCOLOR+1):
|
|
svga_write_control(0x3cf,0x11,value);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTFGCOLOR+2):
|
|
svga_write_control(0x3cf,0x13,value);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTFGCOLOR+3):
|
|
svga_write_control(0x3cf,0x15,value);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTWIDTH+0):
|
|
svga_write_control(0x3cf,0x20,value);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTWIDTH+1):
|
|
svga_write_control(0x3cf,0x21,value);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTHEIGHT+0):
|
|
svga_write_control(0x3cf,0x22,value);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTHEIGHT+1):
|
|
svga_write_control(0x3cf,0x23,value);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTDESTPITCH+0):
|
|
svga_write_control(0x3cf,0x24,value);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTDESTPITCH+1):
|
|
svga_write_control(0x3cf,0x25,value);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTSRCPITCH+0):
|
|
svga_write_control(0x3cf,0x26,value);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTSRCPITCH+1):
|
|
svga_write_control(0x3cf,0x27,value);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTDESTADDR+0):
|
|
svga_write_control(0x3cf,0x28,value);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTDESTADDR+1):
|
|
svga_write_control(0x3cf,0x29,value);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTDESTADDR+2):
|
|
svga_write_control(0x3cf,0x2a,value);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTDESTADDR+3):
|
|
svga_write_control(0x3cf,0x2b,value);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTSRCADDR+0):
|
|
svga_write_control(0x3cf,0x2c,value);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTSRCADDR+1):
|
|
svga_write_control(0x3cf,0x2d,value);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTSRCADDR+2):
|
|
svga_write_control(0x3cf,0x2e,value);
|
|
break;
|
|
case CLGD543x_MMIO_BLTWRITEMASK:
|
|
svga_write_control(0x3cf,0x2f,value);
|
|
break;
|
|
case CLGD543x_MMIO_BLTMODE:
|
|
svga_write_control(0x3cf,0x30,value);
|
|
break;
|
|
case CLGD543x_MMIO_BLTROP:
|
|
svga_write_control(0x3cf,0x32,value);
|
|
break;
|
|
case CLGD543x_MMIO_BLTMODEEXT:
|
|
svga_write_control(0x3cf,0x33,value);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTTRANSPARENTCOLOR+0):
|
|
svga_write_control(0x3cf,0x34,value);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTTRANSPARENTCOLOR+1):
|
|
svga_write_control(0x3cf,0x35,value);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTTRANSPARENTCOLOR+2):
|
|
BX_ERROR(("CLGD543x_MMIO_BLTTRANSPARENTCOLOR"));
|
|
break;
|
|
case (CLGD543x_MMIO_BLTTRANSPARENTCOLOR+3):
|
|
BX_ERROR(("CLGD543x_MMIO_BLTTRANSPARENTCOLOR"));
|
|
break;
|
|
case (CLGD543x_MMIO_BLTTRANSPARENTCOLORMASK+0):
|
|
svga_write_control(0x3cf,0x38,value);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTTRANSPARENTCOLORMASK+1):
|
|
svga_write_control(0x3cf,0x39,value);
|
|
break;
|
|
case (CLGD543x_MMIO_BLTTRANSPARENTCOLORMASK+2):
|
|
BX_ERROR(("CLGD543x_MMIO_BLTTRANSPARENTCOLORMASK"));
|
|
break;
|
|
case (CLGD543x_MMIO_BLTTRANSPARENTCOLORMASK+3):
|
|
BX_ERROR(("CLGD543x_MMIO_BLTTRANSPARENTCOLORMASK"));
|
|
break;
|
|
case CLGD543x_MMIO_BLTSTATUS:
|
|
svga_write_control(0x3cf,0x31,value);
|
|
break;
|
|
default:
|
|
BX_ERROR(("MMIO blt write - address 0x%04x, value 0x%02x",address,value));
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
/////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// PCI support
|
|
//
|
|
/////////////////////////////////////////////////////////////////////////
|
|
|
|
#if BX_SUPPORT_PCI && BX_SUPPORT_CLGD54XX_PCI
|
|
|
|
void
|
|
bx_svga_cirrus_c::svga_init_pcihandlers(void)
|
|
{
|
|
int i;
|
|
|
|
// addresses
|
|
BX_CIRRUS_THIS pci_memaddr = CIRRUS_PNPMEM_BASE_ADDRESS;
|
|
BX_CIRRUS_THIS pci_mmioaddr = CIRRUS_PNPMMIO_BASE_ADDRESS;
|
|
Bit8u devfunc = 0x00;
|
|
DEV_register_pci_handlers(BX_CIRRUS_THIS_PTR,
|
|
pci_read_handler, pci_write_handler,
|
|
&devfunc, "cirrus", "PCI SVGA Cirrus");
|
|
|
|
for (i=0; i<256; i++) {
|
|
BX_CIRRUS_THIS pci_conf[i] = 0x0;
|
|
}
|
|
|
|
WriteHostWordToLittleEndian(
|
|
&BX_CIRRUS_THIS pci_conf[0x00], PCI_VENDOR_CIRRUS);
|
|
WriteHostWordToLittleEndian(
|
|
&BX_CIRRUS_THIS pci_conf[0x02], PCI_DEVICE_CLGD5446);
|
|
WriteHostWordToLittleEndian(
|
|
&BX_CIRRUS_THIS pci_conf[0x04],
|
|
(PCI_COMMAND_IOACCESS | PCI_COMMAND_MEMACCESS));
|
|
BX_CIRRUS_THIS pci_conf[0x0a] = PCI_CLASS_SUB_VGA;
|
|
BX_CIRRUS_THIS pci_conf[0x0b] = PCI_CLASS_BASE_DISPLAY;
|
|
BX_CIRRUS_THIS pci_conf[0x0e] = PCI_CLASS_HEADERTYPE_00h;
|
|
}
|
|
|
|
Bit32u
|
|
bx_svga_cirrus_c::pci_read_handler(void *this_ptr, Bit8u address, unsigned io_len)
|
|
{
|
|
#if !BX_USE_CIRRUS_SMF
|
|
return ((bx_svga_cirrus_c *)this_ptr)->pci_read(address,io_len);
|
|
}
|
|
|
|
Bit32u
|
|
bx_svga_cirrus_c::pci_read(Bit8u address, unsigned io_len)
|
|
{
|
|
#endif // !BX_USE_CIRRUS_SMF
|
|
unsigned i;
|
|
Bit32u ret;
|
|
|
|
if (io_len > 4) {
|
|
BX_PANIC(("pci_read: io_len > 4!"));
|
|
return 0xffffffff;
|
|
}
|
|
if (((unsigned)address + io_len) > 256) {
|
|
BX_PANIC(("pci_read: (address + io_len) > 256!"));
|
|
return 0xffffffff;
|
|
}
|
|
|
|
ret = 0;
|
|
for (i = 0; i < io_len; i++) {
|
|
ret |= (Bit32u)(BX_CIRRUS_THIS pci_conf[address + i]) << (i*8);
|
|
}
|
|
|
|
BX_DEBUG(("pci_read: address 0x%02x, io_len 0x%02x, value 0x%x",
|
|
(unsigned)address, (unsigned)io_len, (unsigned)ret));
|
|
|
|
return ret;
|
|
}
|
|
|
|
void
|
|
bx_svga_cirrus_c::pci_write_handler(void *this_ptr, Bit8u address, Bit32u value, unsigned io_len)
|
|
{
|
|
#if !BX_USE_CIRRUS_SMF
|
|
((bx_svga_cirrus_c *)this_ptr)->pci_write(address,value,io_len);
|
|
}
|
|
|
|
void
|
|
bx_svga_cirrus_c::pci_write(Bit8u address, Bit32u value, unsigned io_len)
|
|
{
|
|
#endif // !BX_USE_CIRRUS_SMF
|
|
unsigned i;
|
|
unsigned write_addr;
|
|
Bit8u new_value, old_value;
|
|
bx_bool baseaddr0_change = 0;
|
|
bx_bool baseaddr1_change = 0;
|
|
|
|
BX_DEBUG(("pci_write: address 0x%02x, io_len 0x%02x, value 0x%x",
|
|
(unsigned)address, (unsigned)io_len, (unsigned)value));
|
|
|
|
if ((address > 0x17) && (address < 0x34))
|
|
return;
|
|
if (io_len <= 4) {
|
|
for (i = 0; i < io_len; i++) {
|
|
write_addr = address + i;
|
|
old_value = BX_CIRRUS_THIS pci_conf[write_addr];
|
|
new_value = (Bit8u)(value & 0xff);
|
|
switch (write_addr) {
|
|
case 0x04: // command bit0-7
|
|
new_value &= PCI_COMMAND_IOACCESS | PCI_COMMAND_MEMACCESS;
|
|
new_value |= old_value & ~(PCI_COMMAND_IOACCESS | PCI_COMMAND_MEMACCESS);
|
|
break;
|
|
case 0x05: // command bit8-15
|
|
new_value = old_value;
|
|
break;
|
|
case 0x06: // status bit0-7
|
|
new_value = old_value & (~new_value);
|
|
break;
|
|
case 0x07: // status bit8-15
|
|
new_value = old_value & (~new_value);
|
|
break;
|
|
|
|
case 0x10: case 0x11: case 0x12: case 0x13: // base address #0
|
|
baseaddr0_change = (old_value != new_value);
|
|
break;
|
|
case 0x14: case 0x15: case 0x16: case 0x17: // base address #1
|
|
baseaddr1_change = (old_value != new_value);
|
|
break;
|
|
|
|
// read-only.
|
|
case 0x00: case 0x01: // vendor
|
|
case 0x02: case 0x03: // device
|
|
case 0x08: // revision
|
|
case 0x09: case 0x0a: case 0x0b: // class
|
|
case 0x0e: // header type
|
|
case 0x0f: // built-in self test(unimplemented)
|
|
new_value = old_value;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
BX_CIRRUS_THIS pci_conf[write_addr] = new_value;
|
|
value >>= 8;
|
|
}
|
|
if (baseaddr0_change) {
|
|
DEV_pci_set_base_mem(BX_CIRRUS_THIS_PTR, cirrus_mem_read_handler,
|
|
cirrus_mem_write_handler,
|
|
&BX_CIRRUS_THIS pci_memaddr,
|
|
&BX_CIRRUS_THIS pci_conf[0x10],
|
|
CIRRUS_PNPMEM_SIZE);
|
|
BX_INFO(("new pci_memaddr: 0x%04x", BX_CIRRUS_THIS pci_memaddr));
|
|
}
|
|
if (baseaddr1_change) {
|
|
DEV_pci_set_base_mem(BX_CIRRUS_THIS_PTR, cirrus_mem_read_handler,
|
|
cirrus_mem_write_handler,
|
|
&BX_CIRRUS_THIS pci_mmioaddr,
|
|
&BX_CIRRUS_THIS pci_conf[0x14],
|
|
CIRRUS_PNPMMIO_SIZE);
|
|
BX_INFO(("new pci_mmioaddr = 0x%08x", BX_CIRRUS_THIS pci_mmioaddr));
|
|
}
|
|
}
|
|
}
|
|
|
|
#endif // BX_SUPPORT_PCI && BX_SUPPORT_CLGD54XX_PCI
|
|
|
|
/////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Bitblt.
|
|
//
|
|
/////////////////////////////////////////////////////////////////////////
|
|
|
|
void
|
|
bx_svga_cirrus_c::svga_reset_bitblt(void)
|
|
{
|
|
BX_CIRRUS_THIS control.reg[0x31] &= ~(CIRRUS_BLT_START|CIRRUS_BLT_BUSY|CIRRUS_BLT_FIFOUSED);
|
|
BX_CIRRUS_THIS bitblt.rop_handler = NULL;
|
|
BX_CIRRUS_THIS bitblt.src = NULL;
|
|
BX_CIRRUS_THIS bitblt.dst = NULL;
|
|
BX_CIRRUS_THIS bitblt.memsrc_ptr = NULL;
|
|
BX_CIRRUS_THIS bitblt.memsrc_endptr = NULL;
|
|
BX_CIRRUS_THIS bitblt.memsrc_needed = 0;
|
|
BX_CIRRUS_THIS bitblt.memdst_ptr = NULL;
|
|
BX_CIRRUS_THIS bitblt.memdst_endptr = NULL;
|
|
BX_CIRRUS_THIS bitblt.memdst_needed = 0;
|
|
}
|
|
|
|
void
|
|
bx_svga_cirrus_c::svga_bitblt()
|
|
{
|
|
Bit16u tmp16;
|
|
Bit32u tmp32;
|
|
Bit32u dstaddr;
|
|
Bit32u srcaddr;
|
|
Bit32u offset;
|
|
|
|
ReadHostWordFromLittleEndian(&BX_CIRRUS_THIS control.reg[0x20],tmp16);
|
|
BX_CIRRUS_THIS bitblt.bltwidth = ((int)tmp16 & (int)0x1fff) + 1;
|
|
ReadHostWordFromLittleEndian(&BX_CIRRUS_THIS control.reg[0x22],tmp16);
|
|
BX_CIRRUS_THIS bitblt.bltheight = ((int)tmp16 & (int)0x1fff) + 1;
|
|
ReadHostWordFromLittleEndian(&BX_CIRRUS_THIS control.reg[0x24],tmp16);
|
|
BX_CIRRUS_THIS bitblt.dstpitch = (int)tmp16 & (int)0x1fff;
|
|
ReadHostWordFromLittleEndian(&BX_CIRRUS_THIS control.reg[0x26],tmp16);
|
|
BX_CIRRUS_THIS bitblt.srcpitch = (int)tmp16 & (int)0x1fff;
|
|
ReadHostDWordFromLittleEndian(&BX_CIRRUS_THIS control.reg[0x28],tmp32);
|
|
dstaddr = tmp32 & (Bit32u)0x003fffff;
|
|
ReadHostDWordFromLittleEndian(&BX_CIRRUS_THIS control.reg[0x2c],tmp32);
|
|
srcaddr = tmp32 & (Bit32u)0x003fffff;
|
|
BX_CIRRUS_THIS bitblt.srcaddr = srcaddr;
|
|
BX_CIRRUS_THIS bitblt.bltmode = BX_CIRRUS_THIS control.reg[0x30];
|
|
BX_CIRRUS_THIS bitblt.bltmodeext = BX_CIRRUS_THIS control.reg[0x33];
|
|
BX_CIRRUS_THIS bitblt.bltrop = BX_CIRRUS_THIS control.reg[0x32];
|
|
BX_CIRRUS_THIS bitblt.async_xbytes = 0;
|
|
BX_CIRRUS_THIS bitblt.async_y = 0;
|
|
offset = dstaddr - (BX_CIRRUS_THIS disp_ptr - BX_CIRRUS_THIS vidmem);
|
|
BX_CIRRUS_THIS bitblt.pos_x = (offset % BX_CIRRUS_THIS bitblt.dstpitch) / (BX_CIRRUS_THIS svga_bpp >> 3);
|
|
BX_CIRRUS_THIS bitblt.pos_y = offset / BX_CIRRUS_THIS bitblt.dstpitch;
|
|
|
|
BX_INFO(("BLT: src:0x%08x,dst 0x%08x,block %ux%u,mode 0x%02x,ROP 0x%02x",
|
|
(unsigned)srcaddr,(unsigned)dstaddr,
|
|
(unsigned)BX_CIRRUS_THIS bitblt.bltwidth,(unsigned)BX_CIRRUS_THIS bitblt.bltheight,
|
|
(unsigned)BX_CIRRUS_THIS bitblt.bltmode,(unsigned)BX_CIRRUS_THIS bitblt.bltrop));
|
|
BX_INFO(("BLT: srcpitch:0x%08x,dstpitch 0x%08x,modeext 0x%02x",
|
|
(unsigned)BX_CIRRUS_THIS bitblt.srcpitch,
|
|
(unsigned)BX_CIRRUS_THIS bitblt.dstpitch,
|
|
(unsigned)BX_CIRRUS_THIS bitblt.bltmodeext));
|
|
BX_INFO(("BLT: dst x = %d, dst y = %d", BX_CIRRUS_THIS bitblt.pos_x, BX_CIRRUS_THIS bitblt.pos_y));
|
|
|
|
switch (BX_CIRRUS_THIS bitblt.bltmode & CIRRUS_BLTMODE_PIXELWIDTHMASK) {
|
|
case CIRRUS_BLTMODE_PIXELWIDTH8:
|
|
BX_CIRRUS_THIS bitblt.pixelwidth = 1;
|
|
break;
|
|
case CIRRUS_BLTMODE_PIXELWIDTH16:
|
|
BX_CIRRUS_THIS bitblt.pixelwidth = 2;
|
|
break;
|
|
case CIRRUS_BLTMODE_PIXELWIDTH24:
|
|
BX_CIRRUS_THIS bitblt.pixelwidth = 3;
|
|
break;
|
|
case CIRRUS_BLTMODE_PIXELWIDTH32:
|
|
BX_CIRRUS_THIS bitblt.pixelwidth = 4;
|
|
break;
|
|
default:
|
|
BX_PANIC(("unknown pixel width"));
|
|
goto ignoreblt;
|
|
}
|
|
BX_CIRRUS_THIS bitblt.bltwidth /= BX_CIRRUS_THIS bitblt.pixelwidth;
|
|
BX_CIRRUS_THIS bitblt.bltmode &= ~CIRRUS_BLTMODE_PIXELWIDTHMASK;
|
|
|
|
if ((BX_CIRRUS_THIS bitblt.bltmode & (CIRRUS_BLTMODE_MEMSYSSRC|CIRRUS_BLTMODE_MEMSYSDEST))
|
|
== (CIRRUS_BLTMODE_MEMSYSSRC|CIRRUS_BLTMODE_MEMSYSDEST)) {
|
|
BX_ERROR(("BLT: memory-to-memory copy is requested, ROP %02x",
|
|
(unsigned)BX_CIRRUS_THIS bitblt.bltrop));
|
|
goto ignoreblt;
|
|
}
|
|
|
|
if ((BX_CIRRUS_THIS bitblt.bltmodeext & CIRRUS_BLTMODEEXT_SOLIDFILL) &&
|
|
(BX_CIRRUS_THIS bitblt.bltmode & (CIRRUS_BLTMODE_MEMSYSDEST |
|
|
CIRRUS_BLTMODE_TRANSPARENTCOMP |
|
|
CIRRUS_BLTMODE_PATTERNCOPY |
|
|
CIRRUS_BLTMODE_COLOREXPAND)) ==
|
|
(CIRRUS_BLTMODE_PATTERNCOPY | CIRRUS_BLTMODE_COLOREXPAND)) {
|
|
BX_CIRRUS_THIS bitblt.rop_handler = svga_get_fwd_rop_handler(BX_CIRRUS_THIS bitblt.bltrop);
|
|
BX_CIRRUS_THIS bitblt.dst = BX_CIRRUS_THIS vidmem + dstaddr;
|
|
svga_solidfill();
|
|
} else {
|
|
|
|
if (BX_CIRRUS_THIS bitblt.bltmode & CIRRUS_BLTMODE_BACKWARDS) {
|
|
BX_CIRRUS_THIS bitblt.dstpitch = -BX_CIRRUS_THIS bitblt.dstpitch;
|
|
BX_CIRRUS_THIS bitblt.srcpitch = -BX_CIRRUS_THIS bitblt.srcpitch;
|
|
BX_CIRRUS_THIS bitblt.rop_handler = svga_get_bkwd_rop_handler(BX_CIRRUS_THIS bitblt.bltrop);
|
|
}
|
|
else {
|
|
BX_CIRRUS_THIS bitblt.rop_handler = svga_get_fwd_rop_handler(BX_CIRRUS_THIS bitblt.bltrop);
|
|
}
|
|
|
|
// setup bitblt engine.
|
|
if (BX_CIRRUS_THIS bitblt.bltmode & CIRRUS_BLTMODE_MEMSYSSRC) {
|
|
svga_setup_bitblt_cputovideo(dstaddr,srcaddr);
|
|
}
|
|
else if (BX_CIRRUS_THIS bitblt.bltmode & CIRRUS_BLTMODE_MEMSYSDEST) {
|
|
svga_setup_bitblt_videotocpu(dstaddr,srcaddr);
|
|
}
|
|
else {
|
|
svga_setup_bitblt_videotovideo(dstaddr,srcaddr);
|
|
}
|
|
return;
|
|
}
|
|
|
|
ignoreblt:
|
|
svga_reset_bitblt();
|
|
return;
|
|
}
|
|
|
|
void
|
|
bx_svga_cirrus_c::svga_setup_bitblt_cputovideo(Bit32u dstaddr,Bit32u srcaddr)
|
|
{
|
|
BX_CIRRUS_THIS bitblt.bltmode &= ~CIRRUS_BLTMODE_MEMSYSSRC;
|
|
|
|
BX_CIRRUS_THIS bitblt.dst = BX_CIRRUS_THIS vidmem + dstaddr;
|
|
BX_CIRRUS_THIS bitblt.src = NULL;
|
|
|
|
BX_CIRRUS_THIS bitblt.memsrc_ptr = &BX_CIRRUS_THIS bitblt.memsrc[0];
|
|
BX_CIRRUS_THIS bitblt.memsrc_endptr = &BX_CIRRUS_THIS bitblt.memsrc[0];
|
|
|
|
if (BX_CIRRUS_THIS bitblt.bltmode & CIRRUS_BLTMODE_PATTERNCOPY) {
|
|
if (BX_CIRRUS_THIS bitblt.bltmode & CIRRUS_BLTMODE_COLOREXPAND) {
|
|
BX_CIRRUS_THIS bitblt.memsrc_needed = 8;
|
|
}
|
|
else {
|
|
BX_CIRRUS_THIS bitblt.memsrc_needed = 8 * 8 * BX_CIRRUS_THIS bitblt.pixelwidth;
|
|
}
|
|
if (BX_CIRRUS_THIS bitblt.bltmode & CIRRUS_BLTMODE_TRANSPARENTCOMP) {
|
|
BX_ERROR(("BLT: patterncopy: TRANSPARENTCOMP is not implemented"));
|
|
}
|
|
else {
|
|
BX_CIRRUS_THIS bitblt.bitblt_ptr = svga_patterncopy_memsrc_static;
|
|
}
|
|
}
|
|
else {
|
|
BX_CIRRUS_THIS bitblt.memdst_bytesperline =
|
|
BX_CIRRUS_THIS bitblt.bltwidth * BX_CIRRUS_THIS bitblt.pixelwidth;
|
|
if (BX_CIRRUS_THIS bitblt.bltmode & CIRRUS_BLTMODE_COLOREXPAND) {
|
|
BX_CIRRUS_THIS bitblt.memsrc_bytesperline =
|
|
(BX_CIRRUS_THIS bitblt.bltwidth + 7) / 8;
|
|
}
|
|
else {
|
|
BX_CIRRUS_THIS bitblt.memsrc_bytesperline = BX_CIRRUS_THIS bitblt.memdst_bytesperline;
|
|
}
|
|
BX_CIRRUS_THIS bitblt.memsrc_needed =
|
|
BX_CIRRUS_THIS bitblt.memsrc_bytesperline * BX_CIRRUS_THIS bitblt.bltheight;
|
|
BX_CIRRUS_THIS bitblt.memsrc_needed = (BX_CIRRUS_THIS bitblt.memsrc_needed + 3) & (~3);
|
|
if (BX_CIRRUS_THIS bitblt.bltmode & CIRRUS_BLTMODE_TRANSPARENTCOMP) {
|
|
BX_CIRRUS_THIS bitblt.bitblt_ptr = svga_simplebitblt_transp_memsrc_static;
|
|
}
|
|
else {
|
|
BX_CIRRUS_THIS bitblt.bitblt_ptr = svga_simplebitblt_memsrc_static;
|
|
}
|
|
}
|
|
|
|
svga_asyncbitblt_next();
|
|
}
|
|
|
|
void
|
|
bx_svga_cirrus_c::svga_setup_bitblt_videotocpu(Bit32u dstaddr,Bit32u srcaddr)
|
|
{
|
|
BX_ERROR(("BLT: MEMSYSDEST is not implemented"));
|
|
|
|
BX_CIRRUS_THIS bitblt.bltmode &= ~CIRRUS_BLTMODE_MEMSYSDEST;
|
|
|
|
#if 0
|
|
BX_CIRRUS_THIS bitblt.dst = NULL;
|
|
BX_CIRRUS_THIS bitblt.src = BX_CIRRUS_THIS vidmem + srcaddr;
|
|
|
|
BX_CIRRUS_THIS bitblt.memdst_ptr = &BX_CIRRUS_THIS bitblt.memdst[0];
|
|
BX_CIRRUS_THIS bitblt.memdst_endptr = &BX_CIRRUS_THIS bitblt.memdst[0];
|
|
|
|
BX_CIRRUS_THIS bitblt.memdst_needed =
|
|
BX_CIRRUS_THIS bitblt.bltwidth * BX_CIRRUS_THIS bitblt.pixelwidth * BX_CIRRUS_THIS bitblt.bltheight;
|
|
BX_CIRRUS_THIS bitblt.memdst_needed = (BX_CIRRUS_THIS bitblt.memdst_needed + 3) & (~3);
|
|
|
|
if (BX_CIRRUS_THIS bitblt.bltmode & CIRRUS_BLTMODE_PATTERNCOPY) {
|
|
BX_CIRRUS_THIS bitblt.bitblt_ptr = svga_patterncopy_memdst_static;
|
|
}
|
|
else {
|
|
BX_CIRRUS_THIS bitblt.bitblt_ptr = svga_simplebitblt_memdst_static;
|
|
}
|
|
|
|
svga_asyncbitblt_next();
|
|
#endif
|
|
}
|
|
|
|
void
|
|
bx_svga_cirrus_c::svga_setup_bitblt_videotovideo(Bit32u dstaddr,Bit32u srcaddr)
|
|
{
|
|
BX_CIRRUS_THIS bitblt.dst = BX_CIRRUS_THIS vidmem + dstaddr;
|
|
BX_CIRRUS_THIS bitblt.src = BX_CIRRUS_THIS vidmem + srcaddr;
|
|
|
|
if (BX_CIRRUS_THIS bitblt.bltmode & CIRRUS_BLTMODE_PATTERNCOPY) {
|
|
BX_CIRRUS_THIS bitblt.bitblt_ptr = svga_patterncopy_static;
|
|
}
|
|
else {
|
|
BX_CIRRUS_THIS bitblt.bitblt_ptr = svga_simplebitblt_static;
|
|
}
|
|
|
|
(*BX_CIRRUS_THIS bitblt.bitblt_ptr)();
|
|
svga_reset_bitblt();
|
|
BX_CIRRUS_THIS redraw_area(BX_CIRRUS_THIS bitblt.pos_x, BX_CIRRUS_THIS bitblt.pos_y,
|
|
BX_CIRRUS_THIS bitblt.bltwidth, BX_CIRRUS_THIS bitblt.bltheight);
|
|
}
|
|
|
|
|
|
void
|
|
bx_svga_cirrus_c::svga_colorexpand(Bit8u *dst,const Bit8u *src,int count,int pixelwidth)
|
|
{
|
|
BX_DEBUG(("svga_cirrus: COLOR EXPAND"));
|
|
|
|
switch (pixelwidth) {
|
|
case 1:
|
|
svga_colorexpand_8(dst,src,count);
|
|
break;
|
|
case 2:
|
|
svga_colorexpand_16(dst,src,count);
|
|
break;
|
|
case 3:
|
|
svga_colorexpand_24(dst,src,count);
|
|
break;
|
|
case 4:
|
|
svga_colorexpand_32(dst,src,count);
|
|
break;
|
|
default:
|
|
BX_PANIC(("COLOREXPAND: unknown pixelwidth %u",(unsigned)pixelwidth));
|
|
break;
|
|
}
|
|
}
|
|
|
|
#if !BX_USE_CIRRUS_SMF
|
|
void
|
|
bx_svga_cirrus_c::svga_colorexpand_8_static(void *this_ptr,Bit8u *dst,const Bit8u *src,int count)
|
|
{
|
|
((bx_svga_cirrus_c *)this_ptr)->svga_colorexpand_8(dst,src,count);
|
|
}
|
|
|
|
void
|
|
bx_svga_cirrus_c::svga_colorexpand_16_static(void *this_ptr,Bit8u *dst,const Bit8u *src,int count)
|
|
{
|
|
((bx_svga_cirrus_c *)this_ptr)->svga_colorexpand_16(dst,src,count);
|
|
}
|
|
|
|
void
|
|
bx_svga_cirrus_c::svga_colorexpand_24_static(void *this_ptr,Bit8u *dst,const Bit8u *src,int count)
|
|
{
|
|
((bx_svga_cirrus_c *)this_ptr)->svga_colorexpand_24(dst,src,count);
|
|
}
|
|
|
|
void
|
|
bx_svga_cirrus_c::svga_colorexpand_32_static(void *this_ptr,Bit8u *dst,const Bit8u *src,int count)
|
|
{
|
|
((bx_svga_cirrus_c *)this_ptr)->svga_colorexpand_32(dst,src,count);
|
|
}
|
|
|
|
#endif // BX_USE_CIRRUS_SMF
|
|
|
|
void
|
|
bx_svga_cirrus_c::svga_colorexpand_8(Bit8u *dst,const Bit8u *src,int count)
|
|
{
|
|
int x;
|
|
Bit8u colors[2];
|
|
unsigned bits;
|
|
unsigned bitmask;
|
|
int srcskipleft = BX_CIRRUS_THIS control.reg[0x2f] & 0x07;
|
|
|
|
colors[0] = BX_CIRRUS_THIS control.shadow_reg0;
|
|
colors[1] = BX_CIRRUS_THIS control.shadow_reg1;
|
|
|
|
bitmask = 0x80 >> srcskipleft;
|
|
bits = *src++;
|
|
for (x = 0; x < count; x++) {
|
|
if ((bitmask & 0xff) == 0) {
|
|
bitmask = 0x80;
|
|
bits = *src++;
|
|
}
|
|
*dst++ = colors[!!(bits & bitmask)];
|
|
bitmask >>= 1;
|
|
}
|
|
}
|
|
|
|
void
|
|
bx_svga_cirrus_c::svga_colorexpand_16(Bit8u *dst,const Bit8u *src,int count)
|
|
{
|
|
int x;
|
|
Bit8u colors[2][2];
|
|
unsigned bits;
|
|
unsigned bitmask;
|
|
unsigned index;
|
|
int srcskipleft = BX_CIRRUS_THIS control.reg[0x2f] & 0x07;
|
|
|
|
colors[0][0] = BX_CIRRUS_THIS control.shadow_reg0;
|
|
colors[0][1] = BX_CIRRUS_THIS control.reg[0x10];
|
|
colors[1][0] = BX_CIRRUS_THIS control.shadow_reg1;
|
|
colors[1][1] = BX_CIRRUS_THIS control.reg[0x11];
|
|
|
|
bitmask = 0x80 >> srcskipleft;
|
|
bits = *src++;
|
|
for (x = 0; x < count; x++) {
|
|
if ((bitmask & 0xff) == 0) {
|
|
bitmask = 0x80;
|
|
bits = *src++;
|
|
}
|
|
index = !!(bits & bitmask);
|
|
*dst++ = colors[index][0];
|
|
*dst++ = colors[index][1];
|
|
bitmask >>= 1;
|
|
}
|
|
}
|
|
|
|
void
|
|
bx_svga_cirrus_c::svga_colorexpand_24(Bit8u *dst,const Bit8u *src,int count)
|
|
{
|
|
int x;
|
|
Bit8u colors[2][3];
|
|
unsigned bits;
|
|
unsigned bitmask;
|
|
unsigned index;
|
|
int srcskipleft = BX_CIRRUS_THIS control.reg[0x2f] & 0x07;
|
|
|
|
colors[0][0] = BX_CIRRUS_THIS control.shadow_reg0;
|
|
colors[0][1] = BX_CIRRUS_THIS control.reg[0x10];
|
|
colors[0][2] = BX_CIRRUS_THIS control.reg[0x12];
|
|
colors[1][0] = BX_CIRRUS_THIS control.shadow_reg1;
|
|
colors[1][1] = BX_CIRRUS_THIS control.reg[0x11];
|
|
colors[1][2] = BX_CIRRUS_THIS control.reg[0x13];
|
|
|
|
bitmask = 0x80 >> srcskipleft;
|
|
bits = *src++;
|
|
for (x = 0; x < count; x++) {
|
|
if ((bitmask & 0xff) == 0) {
|
|
bitmask = 0x80;
|
|
bits = *src++;
|
|
}
|
|
index = !!(bits & bitmask);
|
|
*dst++ = colors[index][0];
|
|
*dst++ = colors[index][1];
|
|
*dst++ = colors[index][2];
|
|
bitmask >>= 1;
|
|
}
|
|
}
|
|
|
|
void
|
|
bx_svga_cirrus_c::svga_colorexpand_32(Bit8u *dst,const Bit8u *src,int count)
|
|
{
|
|
int x;
|
|
Bit8u colors[2][4];
|
|
unsigned bits;
|
|
unsigned bitmask;
|
|
unsigned index;
|
|
int srcskipleft = BX_CIRRUS_THIS control.reg[0x2f] & 0x07;
|
|
|
|
colors[0][0] = BX_CIRRUS_THIS control.shadow_reg0;
|
|
colors[0][1] = BX_CIRRUS_THIS control.reg[0x10];
|
|
colors[0][2] = BX_CIRRUS_THIS control.reg[0x12];
|
|
colors[0][3] = BX_CIRRUS_THIS control.reg[0x14];
|
|
colors[1][0] = BX_CIRRUS_THIS control.shadow_reg1;
|
|
colors[1][1] = BX_CIRRUS_THIS control.reg[0x11];
|
|
colors[1][2] = BX_CIRRUS_THIS control.reg[0x13];
|
|
colors[1][3] = BX_CIRRUS_THIS control.reg[0x15];
|
|
|
|
bitmask = 0x80 >> srcskipleft;
|
|
bits = *src++;
|
|
for (x = 0; x < count; x++) {
|
|
if ((bitmask & 0xff) == 0) {
|
|
bitmask = 0x80;
|
|
bits = *src++;
|
|
}
|
|
index = !!(bits & bitmask);
|
|
*dst++ = colors[index][0];
|
|
*dst++ = colors[index][1];
|
|
*dst++ = colors[index][2];
|
|
*dst++ = colors[index][3];
|
|
bitmask >>= 1;
|
|
}
|
|
}
|
|
|
|
#if !BX_USE_CIRRUS_SMF
|
|
void
|
|
bx_svga_cirrus_c::svga_patterncopy_static(void *this_ptr)
|
|
{
|
|
((bx_svga_cirrus_c *)this_ptr)->svga_patterncopy();
|
|
}
|
|
|
|
void
|
|
bx_svga_cirrus_c::svga_simplebitblt_static(void *this_ptr)
|
|
{
|
|
((bx_svga_cirrus_c *)this_ptr)->svga_simplebitblt();
|
|
}
|
|
|
|
void
|
|
bx_svga_cirrus_c::svga_patterncopy_memsrc_static(void *this_ptr)
|
|
{
|
|
((bx_svga_cirrus_c *)this_ptr)->svga_patterncopy_memsrc();
|
|
}
|
|
|
|
void
|
|
bx_svga_cirrus_c::svga_simplebitblt_memsrc_static(void *this_ptr)
|
|
{
|
|
((bx_svga_cirrus_c *)this_ptr)->svga_simplebitblt_memsrc();
|
|
}
|
|
|
|
void
|
|
bx_svga_cirrus_c::svga_simplebitblt_transp_memsrc_static(void *this_ptr)
|
|
{
|
|
((bx_svga_cirrus_c *)this_ptr)->svga_simplebitblt_transp_memsrc();
|
|
}
|
|
|
|
#endif // !BX_USE_CIRRUS_SMF
|
|
|
|
void
|
|
bx_svga_cirrus_c::svga_patterncopy()
|
|
{
|
|
Bit8u color[4];
|
|
Bit8u work_colorexp[256];
|
|
Bit8u *src, *dst;
|
|
Bit8u *dstc, *srcc;
|
|
int x,y, pattern_y;
|
|
int tilewidth;
|
|
int patternbytes = 8 * BX_CIRRUS_THIS bitblt.pixelwidth;
|
|
int bltbytes = BX_CIRRUS_THIS bitblt.bltwidth * BX_CIRRUS_THIS bitblt.pixelwidth;
|
|
unsigned bits, bits_xor, bitmask;
|
|
int srcskipleft = BX_CIRRUS_THIS control.reg[0x2f] & 0x07;
|
|
|
|
if (BX_CIRRUS_THIS bitblt.bltmode & CIRRUS_BLTMODE_COLOREXPAND) {
|
|
if (BX_CIRRUS_THIS bitblt.bltmode & CIRRUS_BLTMODE_TRANSPARENTCOMP) {
|
|
if (BX_CIRRUS_THIS bitblt.bltmodeext & CIRRUS_BLTMODEEXT_COLOREXPINV) {
|
|
color[0] = BX_CIRRUS_THIS control.shadow_reg0;
|
|
color[1] = BX_CIRRUS_THIS control.reg[0x10];
|
|
color[2] = BX_CIRRUS_THIS control.reg[0x12];
|
|
color[3] = BX_CIRRUS_THIS control.reg[0x14];
|
|
bits_xor = 0xff;
|
|
} else {
|
|
color[0] = BX_CIRRUS_THIS control.shadow_reg1;
|
|
color[1] = BX_CIRRUS_THIS control.reg[0x11];
|
|
color[2] = BX_CIRRUS_THIS control.reg[0x13];
|
|
color[3] = BX_CIRRUS_THIS control.reg[0x15];
|
|
bits_xor = 0x00;
|
|
}
|
|
|
|
pattern_y = 0;
|
|
for (y = 0; y < BX_CIRRUS_THIS bitblt.bltheight; y++) {
|
|
dst = BX_CIRRUS_THIS bitblt.dst;
|
|
bitmask = 0x80 >> srcskipleft;
|
|
bits = BX_CIRRUS_THIS bitblt.src[pattern_y] ^ bits_xor;
|
|
for (x = 0; x < BX_CIRRUS_THIS bitblt.bltwidth; x++) {
|
|
if ((bitmask & 0xff) == 0) {
|
|
bitmask = 0x80;
|
|
bits = BX_CIRRUS_THIS bitblt.src[pattern_y] ^ bits_xor;
|
|
}
|
|
if (bits & bitmask) {
|
|
(*BX_CIRRUS_THIS bitblt.rop_handler)(
|
|
dst, &color[0], 0, 0, BX_CIRRUS_THIS bitblt.pixelwidth, 1);
|
|
}
|
|
dst += BX_CIRRUS_THIS bitblt.pixelwidth;
|
|
bitmask >>= 1;
|
|
}
|
|
pattern_y = (pattern_y + 1) & 7;
|
|
BX_CIRRUS_THIS bitblt.dst += BX_CIRRUS_THIS bitblt.dstpitch;
|
|
}
|
|
return;
|
|
} else {
|
|
svga_colorexpand(work_colorexp,BX_CIRRUS_THIS bitblt.src,8*8,BX_CIRRUS_THIS bitblt.pixelwidth);
|
|
BX_CIRRUS_THIS bitblt.src = work_colorexp;
|
|
BX_CIRRUS_THIS bitblt.bltmode &= ~CIRRUS_BLTMODE_COLOREXPAND;
|
|
}
|
|
}
|
|
if (BX_CIRRUS_THIS bitblt.bltmode & ~CIRRUS_BLTMODE_PATTERNCOPY) {
|
|
BX_ERROR(("PATTERNCOPY: unknown bltmode %02x",BX_CIRRUS_THIS bitblt.bltmode));
|
|
return;
|
|
}
|
|
|
|
BX_DEBUG(("svga_cirrus: PATTERN COPY"));
|
|
dst = BX_CIRRUS_THIS bitblt.dst;
|
|
pattern_y = BX_CIRRUS_THIS bitblt.srcaddr & 0x07;
|
|
src = (Bit8u *)BX_CIRRUS_THIS bitblt.src;
|
|
src -= (pattern_y * BX_CIRRUS_THIS bitblt.pixelwidth);
|
|
for (y = 0; y < BX_CIRRUS_THIS bitblt.bltheight; y++) {
|
|
srcc = src + pattern_y * patternbytes;
|
|
dstc = dst;
|
|
for (x = 0; x < bltbytes; x += patternbytes) {
|
|
tilewidth = BX_MIN(patternbytes,bltbytes - x);
|
|
(*BX_CIRRUS_THIS bitblt.rop_handler)(
|
|
dstc, srcc, 0, patternbytes,
|
|
tilewidth, 1);
|
|
dstc += patternbytes;
|
|
}
|
|
pattern_y = (pattern_y + 1) & 7;
|
|
dst += BX_CIRRUS_THIS bitblt.dstpitch;
|
|
}
|
|
}
|
|
|
|
void
|
|
bx_svga_cirrus_c::svga_simplebitblt()
|
|
{
|
|
Bit8u color[4];
|
|
Bit8u work_colorexp[2048];
|
|
int x, y;
|
|
Bit8u *dst;
|
|
unsigned bits, bits_xor, bitmask;
|
|
int srcskipleft = BX_CIRRUS_THIS control.reg[0x2f] & 0x07;
|
|
|
|
if (BX_CIRRUS_THIS bitblt.bltmode & CIRRUS_BLTMODE_COLOREXPAND) {
|
|
if (BX_CIRRUS_THIS bitblt.bltmode & CIRRUS_BLTMODE_TRANSPARENTCOMP) {
|
|
if (BX_CIRRUS_THIS bitblt.bltmodeext & CIRRUS_BLTMODEEXT_COLOREXPINV) {
|
|
color[0] = BX_CIRRUS_THIS control.shadow_reg0;
|
|
color[1] = BX_CIRRUS_THIS control.reg[0x10];
|
|
color[2] = BX_CIRRUS_THIS control.reg[0x12];
|
|
color[3] = BX_CIRRUS_THIS control.reg[0x14];
|
|
bits_xor = 0xff;
|
|
} else {
|
|
color[0] = BX_CIRRUS_THIS control.shadow_reg1;
|
|
color[1] = BX_CIRRUS_THIS control.reg[0x11];
|
|
color[2] = BX_CIRRUS_THIS control.reg[0x13];
|
|
color[3] = BX_CIRRUS_THIS control.reg[0x15];
|
|
bits_xor = 0x00;
|
|
}
|
|
|
|
for (y = 0; y < BX_CIRRUS_THIS bitblt.bltheight; y++) {
|
|
dst = BX_CIRRUS_THIS bitblt.dst;
|
|
bitmask = 0x80 >> srcskipleft;
|
|
bits = *BX_CIRRUS_THIS bitblt.src++ ^ bits_xor;
|
|
for (x = 0; x < BX_CIRRUS_THIS bitblt.bltwidth; x++) {
|
|
if ((bitmask & 0xff) == 0) {
|
|
bitmask = 0x80;
|
|
bits = *BX_CIRRUS_THIS bitblt.src++ ^ bits_xor;
|
|
}
|
|
if (bits & bitmask) {
|
|
(*BX_CIRRUS_THIS bitblt.rop_handler)(
|
|
dst, &color[0], 0, 0, BX_CIRRUS_THIS bitblt.pixelwidth, 1);
|
|
}
|
|
dst += BX_CIRRUS_THIS bitblt.pixelwidth;
|
|
bitmask >>= 1;
|
|
}
|
|
BX_CIRRUS_THIS bitblt.dst += BX_CIRRUS_THIS bitblt.dstpitch;
|
|
}
|
|
return;
|
|
} else {
|
|
for (y = 0; y < BX_CIRRUS_THIS bitblt.bltheight; y++) {
|
|
svga_colorexpand(work_colorexp,BX_CIRRUS_THIS bitblt.src,BX_CIRRUS_THIS bitblt.bltwidth,
|
|
BX_CIRRUS_THIS bitblt.pixelwidth);
|
|
(*BX_CIRRUS_THIS bitblt.rop_handler)(
|
|
BX_CIRRUS_THIS bitblt.dst, work_colorexp, 0, 0,
|
|
BX_CIRRUS_THIS bitblt.bltwidth * BX_CIRRUS_THIS bitblt.pixelwidth, 1);
|
|
BX_CIRRUS_THIS bitblt.src += ((BX_CIRRUS_THIS bitblt.bltwidth + 7) / 8);
|
|
BX_CIRRUS_THIS bitblt.dst += BX_CIRRUS_THIS bitblt.dstpitch;
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
if (BX_CIRRUS_THIS bitblt.bltmode & ~CIRRUS_BLTMODE_BACKWARDS) {
|
|
BX_ERROR(("SIMPLE BLT: unknown bltmode %02x",BX_CIRRUS_THIS bitblt.bltmode));
|
|
return;
|
|
}
|
|
|
|
BX_DEBUG(("svga_cirrus: BITBLT"));
|
|
(*BX_CIRRUS_THIS bitblt.rop_handler)(
|
|
BX_CIRRUS_THIS bitblt.dst, BX_CIRRUS_THIS bitblt.src,
|
|
BX_CIRRUS_THIS bitblt.dstpitch, BX_CIRRUS_THIS bitblt.srcpitch,
|
|
BX_CIRRUS_THIS bitblt.bltwidth * BX_CIRRUS_THIS bitblt.pixelwidth, BX_CIRRUS_THIS bitblt.bltheight
|
|
);
|
|
}
|
|
|
|
void
|
|
bx_svga_cirrus_c::svga_solidfill()
|
|
{
|
|
Bit8u color[4];
|
|
int x, y;
|
|
Bit8u *dst;
|
|
|
|
BX_DEBUG(("BLT: SOLIDFILL"));
|
|
|
|
color[0] = BX_CIRRUS_THIS control.shadow_reg1;
|
|
color[1] = BX_CIRRUS_THIS control.reg[0x11];
|
|
color[2] = BX_CIRRUS_THIS control.reg[0x13];
|
|
color[3] = BX_CIRRUS_THIS control.reg[0x15];
|
|
|
|
for (y = 0; y < BX_CIRRUS_THIS bitblt.bltheight; y++) {
|
|
dst = BX_CIRRUS_THIS bitblt.dst;
|
|
for (x = 0; x < BX_CIRRUS_THIS bitblt.bltwidth; x++) {
|
|
(*BX_CIRRUS_THIS bitblt.rop_handler)(
|
|
dst, &color[0], 0, 0, BX_CIRRUS_THIS bitblt.pixelwidth, 1);
|
|
dst += BX_CIRRUS_THIS bitblt.pixelwidth;
|
|
}
|
|
BX_CIRRUS_THIS bitblt.dst += BX_CIRRUS_THIS bitblt.dstpitch;
|
|
}
|
|
BX_CIRRUS_THIS redraw_area(BX_CIRRUS_THIS bitblt.pos_x, BX_CIRRUS_THIS bitblt.pos_y,
|
|
BX_CIRRUS_THIS bitblt.bltwidth, BX_CIRRUS_THIS bitblt.bltheight);
|
|
}
|
|
|
|
void
|
|
bx_svga_cirrus_c::svga_patterncopy_memsrc()
|
|
{
|
|
int srcavail = BX_CIRRUS_THIS bitblt.memsrc_ptr - &BX_CIRRUS_THIS bitblt.memsrc[0];
|
|
|
|
if (srcavail > 0) {
|
|
if (srcavail != BX_CIRRUS_THIS bitblt.memsrc_needed) {
|
|
BX_PANIC(("CIRRUS_BLT_CACHESIZE is too small"));
|
|
BX_CIRRUS_THIS bitblt.memsrc_needed = 0;
|
|
return;
|
|
}
|
|
BX_INFO(("svga_patterncopy_memsrc() - not tested"));
|
|
|
|
BX_CIRRUS_THIS bitblt.src = &BX_CIRRUS_THIS bitblt.memsrc[0];
|
|
svga_patterncopy();
|
|
BX_CIRRUS_THIS redraw_area(BX_CIRRUS_THIS bitblt.pos_x, BX_CIRRUS_THIS bitblt.pos_y,
|
|
BX_CIRRUS_THIS bitblt.bltwidth, BX_CIRRUS_THIS bitblt.bltheight);
|
|
}
|
|
}
|
|
|
|
void
|
|
bx_svga_cirrus_c::svga_simplebitblt_memsrc()
|
|
{
|
|
Bit8u work_colorexp[256];
|
|
int srcavail = BX_CIRRUS_THIS bitblt.memsrc_ptr - &BX_CIRRUS_THIS bitblt.memsrc[0];
|
|
int bytesavail;
|
|
int bytesprocessed;
|
|
int total;
|
|
Bit8u *srcptr = &BX_CIRRUS_THIS bitblt.memsrc[0];
|
|
Bit8u *srccurptr;
|
|
int srccuravail;
|
|
|
|
BX_DEBUG(("svga_cirrus: BLT, cpu-to-video"));
|
|
total = 0;
|
|
while (1) {
|
|
bytesavail = BX_CIRRUS_THIS bitblt.memsrc_bytesperline - BX_CIRRUS_THIS bitblt.async_xbytes;
|
|
bytesavail = BX_MIN(bytesavail,srcavail);
|
|
if (bytesavail <= 0)
|
|
break;
|
|
|
|
bytesprocessed = bytesavail;
|
|
srccurptr = srcptr;
|
|
srccuravail = bytesavail;
|
|
if (BX_CIRRUS_THIS bitblt.bltmode & CIRRUS_BLTMODE_COLOREXPAND) {
|
|
if (BX_CIRRUS_THIS bitblt.bltmode & ~CIRRUS_BLTMODE_COLOREXPAND) {
|
|
BX_ERROR(("cpu-to-video BLT: unknown bltmode %02x",BX_CIRRUS_THIS bitblt.bltmode));
|
|
return;
|
|
}
|
|
|
|
bytesprocessed = BX_MIN(256/32,bytesavail);
|
|
svga_colorexpand(work_colorexp,srcptr,bytesprocessed * 8,BX_CIRRUS_THIS bitblt.pixelwidth);
|
|
srccurptr = work_colorexp;
|
|
srccuravail = BX_MIN(
|
|
bytesprocessed * 8 * BX_CIRRUS_THIS bitblt.pixelwidth,
|
|
BX_CIRRUS_THIS bitblt.memdst_bytesperline - BX_CIRRUS_THIS bitblt.async_xbytes * 8 * BX_CIRRUS_THIS bitblt.pixelwidth);
|
|
}
|
|
else {
|
|
if (BX_CIRRUS_THIS bitblt.bltmode != 0) {
|
|
BX_ERROR(("cpu-to-video BLT: unknown bltmode %02x",BX_CIRRUS_THIS bitblt.bltmode));
|
|
return;
|
|
}
|
|
}
|
|
|
|
(*BX_CIRRUS_THIS bitblt.rop_handler)(
|
|
BX_CIRRUS_THIS bitblt.dst, srccurptr, 0, 0, srccuravail, 1);
|
|
|
|
BX_CIRRUS_THIS bitblt.dst += srccuravail;
|
|
total += bytesprocessed;
|
|
srcptr += ((bytesprocessed + 3) & ~3);
|
|
srcavail -= bytesprocessed;
|
|
BX_CIRRUS_THIS bitblt.async_xbytes += bytesprocessed;
|
|
if (BX_CIRRUS_THIS bitblt.async_xbytes >= BX_CIRRUS_THIS bitblt.memsrc_bytesperline) {
|
|
BX_CIRRUS_THIS bitblt.dst +=
|
|
BX_CIRRUS_THIS bitblt.dstpitch - BX_CIRRUS_THIS bitblt.memdst_bytesperline;
|
|
BX_CIRRUS_THIS bitblt.async_y ++;
|
|
BX_CIRRUS_THIS bitblt.async_xbytes = 0;
|
|
if (BX_CIRRUS_THIS bitblt.async_y >= BX_CIRRUS_THIS bitblt.bltheight) {
|
|
total += srcavail;
|
|
srcavail = 0;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
BX_CIRRUS_THIS bitblt.memsrc_ptr = &BX_CIRRUS_THIS bitblt.memsrc[total];
|
|
BX_CIRRUS_THIS redraw_area(BX_CIRRUS_THIS bitblt.pos_x, BX_CIRRUS_THIS bitblt.pos_y,
|
|
BX_CIRRUS_THIS bitblt.bltwidth, BX_CIRRUS_THIS bitblt.bltheight);
|
|
}
|
|
|
|
void
|
|
bx_svga_cirrus_c::svga_simplebitblt_transp_memsrc()
|
|
{
|
|
Bit8u color[4];
|
|
int srcavail = BX_CIRRUS_THIS bitblt.memsrc_ptr - &BX_CIRRUS_THIS bitblt.memsrc[0];
|
|
int bytesavail;
|
|
int bytesprocessed;
|
|
int x, total;
|
|
Bit8u *srcptr = &BX_CIRRUS_THIS bitblt.memsrc[0];
|
|
Bit8u *dst, *src;
|
|
int srccuravail;
|
|
unsigned bits, bitmask;
|
|
int srcskipleft = BX_CIRRUS_THIS control.reg[0x2f] & 0x07;
|
|
|
|
BX_DEBUG(("BLT, cpu-to-video, transparent"));
|
|
|
|
color[0] = BX_CIRRUS_THIS control.shadow_reg1;
|
|
color[1] = BX_CIRRUS_THIS control.reg[0x11];
|
|
color[2] = BX_CIRRUS_THIS control.reg[0x13];
|
|
color[3] = BX_CIRRUS_THIS control.reg[0x15];
|
|
|
|
total = 0;
|
|
while (1) {
|
|
bytesavail = BX_CIRRUS_THIS bitblt.memsrc_bytesperline - BX_CIRRUS_THIS bitblt.async_xbytes;
|
|
bytesavail = BX_MIN(bytesavail,srcavail);
|
|
if (bytesavail <= 0)
|
|
break;
|
|
|
|
bytesprocessed = bytesavail;
|
|
if (BX_CIRRUS_THIS bitblt.bltmode & CIRRUS_BLTMODE_COLOREXPAND) {
|
|
bytesprocessed = BX_MIN(256/32,bytesavail);
|
|
srccuravail = BX_MIN(
|
|
bytesprocessed * 8 * BX_CIRRUS_THIS bitblt.pixelwidth,
|
|
BX_CIRRUS_THIS bitblt.memdst_bytesperline - BX_CIRRUS_THIS bitblt.async_xbytes * 8 * BX_CIRRUS_THIS bitblt.pixelwidth);
|
|
src = srcptr;
|
|
dst = BX_CIRRUS_THIS bitblt.dst;
|
|
bitmask = 0x80 >> srcskipleft;
|
|
bits = *src++;
|
|
for (x = 0; x < bytesprocessed * 8; x++) {
|
|
if ((bitmask & 0xff) == 0) {
|
|
bitmask = 0x80;
|
|
bits = *src++;
|
|
}
|
|
if (bits & bitmask) {
|
|
(*BX_CIRRUS_THIS bitblt.rop_handler)(
|
|
dst, &color[0], 0, 0, BX_CIRRUS_THIS bitblt.pixelwidth, 1);
|
|
}
|
|
dst += BX_CIRRUS_THIS bitblt.pixelwidth;
|
|
bitmask >>= 1;
|
|
}
|
|
} else {
|
|
BX_ERROR(("cpu-to-video BLT: unknown bltmode %02x",BX_CIRRUS_THIS bitblt.bltmode));
|
|
return;
|
|
}
|
|
|
|
BX_CIRRUS_THIS bitblt.dst += srccuravail;
|
|
total += bytesprocessed;
|
|
srcptr += bytesprocessed;
|
|
srcavail -= bytesprocessed;
|
|
BX_CIRRUS_THIS bitblt.async_xbytes += bytesprocessed;
|
|
if (BX_CIRRUS_THIS bitblt.async_xbytes >= BX_CIRRUS_THIS bitblt.memsrc_bytesperline) {
|
|
BX_CIRRUS_THIS bitblt.dst +=
|
|
BX_CIRRUS_THIS bitblt.dstpitch - BX_CIRRUS_THIS bitblt.memdst_bytesperline;
|
|
BX_CIRRUS_THIS bitblt.async_y ++;
|
|
BX_CIRRUS_THIS bitblt.async_xbytes = 0;
|
|
if (BX_CIRRUS_THIS bitblt.async_y >= BX_CIRRUS_THIS bitblt.bltheight) {
|
|
total += srcavail;
|
|
srcavail = 0;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
BX_CIRRUS_THIS bitblt.memsrc_ptr = &BX_CIRRUS_THIS bitblt.memsrc[total];
|
|
BX_CIRRUS_THIS redraw_area(BX_CIRRUS_THIS bitblt.pos_x, BX_CIRRUS_THIS bitblt.pos_y,
|
|
BX_CIRRUS_THIS bitblt.bltwidth, BX_CIRRUS_THIS bitblt.bltheight);
|
|
}
|
|
|
|
bx_bool // true if finished, false otherwise
|
|
bx_svga_cirrus_c::svga_asyncbitblt_next()
|
|
{
|
|
int count;
|
|
int avail;
|
|
|
|
if (BX_CIRRUS_THIS bitblt.bitblt_ptr == NULL) {
|
|
BX_PANIC(("svga_asyncbitblt_next: unexpected call"));
|
|
goto cleanup;
|
|
}
|
|
|
|
if (BX_CIRRUS_THIS bitblt.memdst_needed > 0) {
|
|
BX_CIRRUS_THIS bitblt.memdst_needed -= BX_CIRRUS_THIS bitblt.memdst_ptr - &BX_CIRRUS_THIS bitblt.memdst[0];
|
|
avail = BX_MIN(CIRRUS_BLT_CACHESIZE, BX_CIRRUS_THIS bitblt.memdst_needed);
|
|
BX_CIRRUS_THIS bitblt.memdst_ptr = &BX_CIRRUS_THIS bitblt.memdst[0];
|
|
BX_CIRRUS_THIS bitblt.memdst_endptr = &BX_CIRRUS_THIS bitblt.memdst[avail];
|
|
|
|
if (BX_CIRRUS_THIS bitblt.memsrc_needed <= 0 &&
|
|
BX_CIRRUS_THIS bitblt.memdst_needed <= 0) {
|
|
goto cleanup;
|
|
}
|
|
}
|
|
|
|
(*BX_CIRRUS_THIS bitblt.bitblt_ptr)();
|
|
|
|
if (BX_CIRRUS_THIS bitblt.memsrc_needed > 0) {
|
|
BX_CIRRUS_THIS bitblt.memsrc_needed -= BX_CIRRUS_THIS bitblt.memsrc_ptr - &BX_CIRRUS_THIS bitblt.memsrc[0];
|
|
count = BX_CIRRUS_THIS bitblt.memsrc_endptr - BX_CIRRUS_THIS bitblt.memsrc_ptr;
|
|
memmove(&BX_CIRRUS_THIS bitblt.memsrc[0], BX_CIRRUS_THIS bitblt.memsrc_ptr, count);
|
|
avail = BX_MIN(CIRRUS_BLT_CACHESIZE, BX_CIRRUS_THIS bitblt.memsrc_needed);
|
|
BX_CIRRUS_THIS bitblt.memsrc_ptr = &BX_CIRRUS_THIS bitblt.memsrc[count];
|
|
BX_CIRRUS_THIS bitblt.memsrc_endptr = &BX_CIRRUS_THIS bitblt.memsrc[avail];
|
|
|
|
if (BX_CIRRUS_THIS bitblt.memsrc_needed <= 0 &&
|
|
BX_CIRRUS_THIS bitblt.memdst_needed <= 0) {
|
|
goto cleanup;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
|
|
cleanup:
|
|
svga_reset_bitblt();
|
|
return true;
|
|
}
|
|
|
|
/////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Raster operations.
|
|
//
|
|
/////////////////////////////////////////////////////////////////////////
|
|
|
|
#define IMPLEMENT_FORWARD_BITBLT(name,opline) \
|
|
static void \
|
|
bitblt_rop_fwd_##name( \
|
|
Bit8u *dst,const Bit8u *src, \
|
|
int dstpitch,int srcpitch, \
|
|
int bltwidth,int bltheight) \
|
|
{ \
|
|
int x,y; \
|
|
dstpitch -= bltwidth; \
|
|
srcpitch -= bltwidth; \
|
|
for (y = 0; y < bltheight; y++) { \
|
|
for (x = 0; x < bltwidth; x++) { \
|
|
opline; \
|
|
dst++; \
|
|
src++; \
|
|
} \
|
|
dst += dstpitch; \
|
|
src += srcpitch; \
|
|
} \
|
|
}
|
|
|
|
#define IMPLEMENT_BACKWARD_BITBLT(name,opline) \
|
|
static void \
|
|
bitblt_rop_bkwd_##name( \
|
|
Bit8u *dst,const Bit8u *src, \
|
|
int dstpitch,int srcpitch, \
|
|
int bltwidth,int bltheight) \
|
|
{ \
|
|
int x,y; \
|
|
dstpitch += bltwidth; \
|
|
srcpitch += bltwidth; \
|
|
for (y = 0; y < bltheight; y++) { \
|
|
for (x = 0; x < bltwidth; x++) { \
|
|
opline; \
|
|
dst--; \
|
|
src--; \
|
|
} \
|
|
dst += dstpitch; \
|
|
src += srcpitch; \
|
|
} \
|
|
}
|
|
|
|
IMPLEMENT_FORWARD_BITBLT(0, *dst = 0)
|
|
IMPLEMENT_FORWARD_BITBLT(src_and_dst, *dst = (*src) & (*dst))
|
|
IMPLEMENT_FORWARD_BITBLT(nop, (void)0)
|
|
IMPLEMENT_FORWARD_BITBLT(src_and_notdst, *dst = (*src) & (~(*dst)))
|
|
IMPLEMENT_FORWARD_BITBLT(notdst, *dst = ~(*dst))
|
|
IMPLEMENT_FORWARD_BITBLT(src, *dst = *src)
|
|
IMPLEMENT_FORWARD_BITBLT(1, *dst = 0xff)
|
|
IMPLEMENT_FORWARD_BITBLT(notsrc_and_dst, *dst = (~(*src)) & (*dst))
|
|
IMPLEMENT_FORWARD_BITBLT(src_xor_dst, *dst = (*src) ^ (*dst))
|
|
IMPLEMENT_FORWARD_BITBLT(src_or_dst, *dst = (*src) | (*dst))
|
|
IMPLEMENT_FORWARD_BITBLT(notsrc_or_notdst, *dst = (~(*src)) | (~(*dst)))
|
|
IMPLEMENT_FORWARD_BITBLT(src_notxor_dst, *dst = ~((*src) ^ (*dst)))
|
|
IMPLEMENT_FORWARD_BITBLT(src_or_notdst, *dst = (*src) | (~(*dst)))
|
|
IMPLEMENT_FORWARD_BITBLT(notsrc, *dst = (~(*src)))
|
|
IMPLEMENT_FORWARD_BITBLT(notsrc_or_dst, *dst = (~(*src)) | (*dst))
|
|
IMPLEMENT_FORWARD_BITBLT(notsrc_and_notdst, *dst = (~(*src)) & (~(*dst)))
|
|
|
|
IMPLEMENT_BACKWARD_BITBLT(0, *dst = 0)
|
|
IMPLEMENT_BACKWARD_BITBLT(src_and_dst, *dst = (*src) & (*dst))
|
|
IMPLEMENT_BACKWARD_BITBLT(nop, (void)0)
|
|
IMPLEMENT_BACKWARD_BITBLT(src_and_notdst, *dst = (*src) & (~(*dst)))
|
|
IMPLEMENT_BACKWARD_BITBLT(notdst, *dst = ~(*dst))
|
|
IMPLEMENT_BACKWARD_BITBLT(src, *dst = *src)
|
|
IMPLEMENT_BACKWARD_BITBLT(1, *dst = 0xff)
|
|
IMPLEMENT_BACKWARD_BITBLT(notsrc_and_dst, *dst = (~(*src)) & (*dst))
|
|
IMPLEMENT_BACKWARD_BITBLT(src_xor_dst, *dst = (*src) ^ (*dst))
|
|
IMPLEMENT_BACKWARD_BITBLT(src_or_dst, *dst = (*src) | (*dst))
|
|
IMPLEMENT_BACKWARD_BITBLT(notsrc_or_notdst, *dst = (~(*src)) | (~(*dst)))
|
|
IMPLEMENT_BACKWARD_BITBLT(src_notxor_dst, *dst = ~((*src) ^ (*dst)))
|
|
IMPLEMENT_BACKWARD_BITBLT(src_or_notdst, *dst = (*src) | (~(*dst)))
|
|
IMPLEMENT_BACKWARD_BITBLT(notsrc, *dst = (~(*src)))
|
|
IMPLEMENT_BACKWARD_BITBLT(notsrc_or_dst, *dst = (~(*src)) | (*dst))
|
|
IMPLEMENT_BACKWARD_BITBLT(notsrc_and_notdst, *dst = (~(*src)) & (~(*dst)))
|
|
|
|
|
|
bx_cirrus_bitblt_rop_t
|
|
bx_svga_cirrus_c::svga_get_fwd_rop_handler(Bit8u rop)
|
|
{
|
|
bx_cirrus_bitblt_rop_t rop_handler = bitblt_rop_fwd_nop;
|
|
|
|
switch (rop)
|
|
{
|
|
case CIRRUS_ROP_0:
|
|
rop_handler = bitblt_rop_fwd_0;
|
|
break;
|
|
case CIRRUS_ROP_SRC_AND_DST:
|
|
rop_handler = bitblt_rop_fwd_src_and_dst;
|
|
break;
|
|
case CIRRUS_ROP_NOP:
|
|
rop_handler = bitblt_rop_fwd_nop;
|
|
break;
|
|
case CIRRUS_ROP_SRC_AND_NOTDST:
|
|
rop_handler = bitblt_rop_fwd_src_and_notdst;
|
|
break;
|
|
case CIRRUS_ROP_NOTDST:
|
|
rop_handler = bitblt_rop_fwd_notdst;
|
|
break;
|
|
case CIRRUS_ROP_SRC:
|
|
rop_handler = bitblt_rop_fwd_src;
|
|
break;
|
|
case CIRRUS_ROP_1:
|
|
rop_handler = bitblt_rop_fwd_1;
|
|
break;
|
|
case CIRRUS_ROP_NOTSRC_AND_DST:
|
|
rop_handler = bitblt_rop_fwd_notsrc_and_dst;
|
|
break;
|
|
case CIRRUS_ROP_SRC_XOR_DST:
|
|
rop_handler = bitblt_rop_fwd_src_xor_dst;
|
|
break;
|
|
case CIRRUS_ROP_SRC_OR_DST:
|
|
rop_handler = bitblt_rop_fwd_src_or_dst;
|
|
break;
|
|
case CIRRUS_ROP_NOTSRC_OR_NOTDST:
|
|
rop_handler = bitblt_rop_fwd_notsrc_or_notdst;
|
|
break;
|
|
case CIRRUS_ROP_SRC_NOTXOR_DST:
|
|
rop_handler = bitblt_rop_fwd_src_notxor_dst;
|
|
break;
|
|
case CIRRUS_ROP_SRC_OR_NOTDST:
|
|
rop_handler = bitblt_rop_fwd_src_or_notdst;
|
|
break;
|
|
case CIRRUS_ROP_NOTSRC:
|
|
rop_handler = bitblt_rop_fwd_notsrc;
|
|
break;
|
|
case CIRRUS_ROP_NOTSRC_OR_DST:
|
|
rop_handler = bitblt_rop_fwd_notsrc_or_dst;
|
|
break;
|
|
case CIRRUS_ROP_NOTSRC_AND_NOTDST:
|
|
rop_handler = bitblt_rop_fwd_notsrc_and_notdst;
|
|
break;
|
|
default:
|
|
BX_ERROR(("unknown ROP %02x",rop));
|
|
break;
|
|
}
|
|
|
|
return rop_handler;
|
|
}
|
|
|
|
bx_cirrus_bitblt_rop_t
|
|
bx_svga_cirrus_c::svga_get_bkwd_rop_handler(Bit8u rop)
|
|
{
|
|
bx_cirrus_bitblt_rop_t rop_handler = bitblt_rop_bkwd_nop;
|
|
|
|
switch (rop)
|
|
{
|
|
case CIRRUS_ROP_0:
|
|
rop_handler = bitblt_rop_bkwd_0;
|
|
break;
|
|
case CIRRUS_ROP_SRC_AND_DST:
|
|
rop_handler = bitblt_rop_bkwd_src_and_dst;
|
|
break;
|
|
case CIRRUS_ROP_NOP:
|
|
rop_handler = bitblt_rop_bkwd_nop;
|
|
break;
|
|
case CIRRUS_ROP_SRC_AND_NOTDST:
|
|
rop_handler = bitblt_rop_bkwd_src_and_notdst;
|
|
break;
|
|
case CIRRUS_ROP_NOTDST:
|
|
rop_handler = bitblt_rop_bkwd_notdst;
|
|
break;
|
|
case CIRRUS_ROP_SRC:
|
|
rop_handler = bitblt_rop_bkwd_src;
|
|
break;
|
|
case CIRRUS_ROP_1:
|
|
rop_handler = bitblt_rop_bkwd_1;
|
|
break;
|
|
case CIRRUS_ROP_NOTSRC_AND_DST:
|
|
rop_handler = bitblt_rop_bkwd_notsrc_and_dst;
|
|
break;
|
|
case CIRRUS_ROP_SRC_XOR_DST:
|
|
rop_handler = bitblt_rop_bkwd_src_xor_dst;
|
|
break;
|
|
case CIRRUS_ROP_SRC_OR_DST:
|
|
rop_handler = bitblt_rop_bkwd_src_or_dst;
|
|
break;
|
|
case CIRRUS_ROP_NOTSRC_OR_NOTDST:
|
|
rop_handler = bitblt_rop_bkwd_notsrc_or_notdst;
|
|
break;
|
|
case CIRRUS_ROP_SRC_NOTXOR_DST:
|
|
rop_handler = bitblt_rop_bkwd_src_notxor_dst;
|
|
break;
|
|
case CIRRUS_ROP_SRC_OR_NOTDST:
|
|
rop_handler = bitblt_rop_bkwd_src_or_notdst;
|
|
break;
|
|
case CIRRUS_ROP_NOTSRC:
|
|
rop_handler = bitblt_rop_bkwd_notsrc;
|
|
break;
|
|
case CIRRUS_ROP_NOTSRC_OR_DST:
|
|
rop_handler = bitblt_rop_bkwd_notsrc_or_dst;
|
|
break;
|
|
case CIRRUS_ROP_NOTSRC_AND_NOTDST:
|
|
rop_handler = bitblt_rop_bkwd_notsrc_and_notdst;
|
|
break;
|
|
default:
|
|
BX_ERROR(("unknown ROP %02x",rop));
|
|
break;
|
|
}
|
|
|
|
return rop_handler;
|
|
}
|
|
|
|
|
|
#endif // BX_SUPPORT_CLGD54XX
|