340 lines
11 KiB
C
340 lines
11 KiB
C
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/*
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* Copyright (c) 1994 Christian E. Hopps
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Christian E. Hopps.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: grfabs_ccreg.h,v 1.1 1994/02/13 21:10:34 chopps Exp $
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*/
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#if ! defined (_GRFABS_CCREG_H)
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#define _GRFABS_CCREG_H
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typedef colormap_t *alloc_colormap_func (int);
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typedef struct monitor_data {
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dll_list_t modes; /* a list of supported modes. */
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dmode_t *current_mode;
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u_long flags; /* monitor flags. */
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} mdata_t;
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typedef struct display_mode_data {
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monitor_t * monitor; /* the monitor that owns this mode. */
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view_t * current_view; /* current view to be displayed. */
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cop_t **frames;
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u_short hedley_current; /* current hedley quadrent. */
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u_short bplcon0; /* bplcon0 data. */
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u_short std_start_x;
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u_short std_start_y;
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#if defined (GRF_ECS)
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/* ECS registers. */
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u_short beamcon0;
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u_short hbstart; /* no modes use the rest of these */
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u_short hbstop; /* ECS registers. */
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u_short hsstart;
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u_short hsstop;
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u_short vbstart;
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u_short vbstop;
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u_short vsstart;
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u_short vsstop;
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#endif
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/* some limit stuff. */
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dimen_t max_size; /* largest fit. */
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dimen_t min_size; /* smallest fit. */
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u_short min_depth;
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u_short max_depth;
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u_long flags; /* mode specific flags. */
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use_colormap_func *use_colormap;
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get_colormap_func *get_colormap;
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alloc_colormap_func *alloc_colormap;
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display_view_func *display_view;
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vbl_handler_func *vbl_handler; /* gets called every vertical blank. */
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/* when this is the current mode.*/
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} dmdata_t;
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enum dmode_flag_bits {
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DMB_INTERLACE,
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DMB_HEDLEY_EXP
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};
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enum dmode_flags {
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DMF_INTERLACE = 1 << DMB_INTERLACE,
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DMF_HEDLEY_EXP = 1 << DMB_HEDLEY_EXP
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};
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typedef struct view_data {
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dmode_t *mode; /* the mode for this view */
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colormap_t *colormap;
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u_long flags; /* view specific flags. */
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} vdata_t;
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enum view_flag_bits {
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VB_DISPLAY,
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};
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enum view_flags {
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VF_DISPLAY = 1 << VB_DISPLAY, /* set if view is being displayed */
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};
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/*
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* This that are in grfabs_ccglb.c
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*/
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#if defined (GRF_A2024)
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# if defined (GRF_PAL)
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extern cop_t std_pal_a2024_copper_list[];
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extern int std_pal_a2024_copper_list_len;
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extern int std_pal_a2024_copper_list_size;
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# endif
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# if defined (GRF_NTSC)
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extern cop_t std_a2024_copper_list[];
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extern int std_a2024_copper_list_len;
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extern int std_a2024_copper_list_size;
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# endif
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extern cop_t std_dlace_copper_list[];
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extern int std_dlace_copper_list_len;
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extern int std_dlace_copper_list_size;
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extern u_short a2024_color_value_line0[4];
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extern u_short a2024_color_value_line1[4];
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#endif /* GRF_A2024 */
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extern cop_t std_copper_list[];
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extern int std_copper_list_len;
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extern int std_copper_list_size;
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extern monitor_t *cc_monitor;
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extern u_short cc_default_colors[32];
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extern u_short cc_a2024_default_colors[4];
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/*
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* Misc macros, defines and enums.
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*/
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#define MDATA(m) ((mdata_t *)(m->data))
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#define DMDATA(d) ((dmdata_t *)(d->data))
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#define VDATA(v) ((vdata_t *)(v->data))
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#define RWDATA(r) ((rwdata_t *)(r->data))
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#if defined (GRF_ECS)
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#define CALC_DIWHIGH(hs, vs, he, ve) \
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((u_short)((he&0x100)<<5)|(ve&0x700)|((hs&0x100)>>3)|((vs&0x700)>>8))
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#define USE_CON3 0x0001
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#else
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#define USE_CON3 0x0
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#endif
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enum lace_frame_numbers {
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F_LACE_LONG,
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F_LACE_SHORT,
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F_LACE_STORE_LONG,
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F_LACE_STORE_SHORT,
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F_LACE_TOTAL
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};
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enum frame_numbers {
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F_LONG,
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F_STORE_LONG,
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F_TOTAL
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};
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#if defined (GRF_A2024)
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/*
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* Defines macros and enums for A2024 hedley expansion
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*/
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enum quad_frame_numbers {
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F_QD_QUAD0, F_QD_QUAD1, F_QD_QUAD2, F_QD_QUAD3,
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F_QD_STORE_QUAD0, F_QD_STORE_QUAD1, F_QD_STORE_QUAD2, F_QD_STORE_QUAD3,
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F_QD_TOTAL
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};
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/* -------
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* |0 |1 |
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* |------
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* |2 |3 |
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* -------
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*/
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#define QUAD0_ID 0x0001
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#define QUAD1_ID 0x00f1
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#define QUAD2_ID 0x0f01
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#define QUAD3_ID 0x0ff1
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#define HALF_2024_LINE (512>>3)
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#define DIGITAL_RED 0x0800
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#define DIGITAL_GREEN 0x0080
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#define DIGITAL_BLUE 0x0008
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#define DIGITAL_INTENSE 0x0001
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#define A2024_L0_BLACK (0)
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#define A2024_L0_DGREY (DIGITAL_BLUE)
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#define A2024_L0_LGREY (DIGITAL_RED)
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#define A2024_L0_WHITE (DIGITAL_RED|DIGITAL_BLUE)
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#define A2024_L1_BLACK (0)
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#define A2024_L1_DGREY (DIGITAL_INTENSE)
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#define A2024_L1_LGREY (DIGITAL_GREEN)
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#define A2024_L1_WHITE (DIGITAL_GREEN|DIGITAL_INTENSE)
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#define A2024_L0_INDEX(color_reg) (((0x4&color_reg)>>1)|(0x1&color_reg))
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#define A2024_L1_INDEX(color_reg) (((0x8&color_reg)>>2)|((0x2&color_reg)>>1))
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#define A2024_CM_TO_CR(cm,rn) \
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(a2024_color_value_line0[0x3 & (cm)->entry[A2024_L0_INDEX(rn)]] |\
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a2024_color_value_line1[0x3 & (cm)->entry[A2024_L1_INDEX(rn)]])
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#endif /* GRF_A2024 */
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/*
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* Misc defined values for custom chips.
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*/
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/* ECS stuff */
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#define VARVBLANK 0x1000 /* Variable vertical blank enable */
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#define LOLDIS 0x0800 /* long line disable */
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#define CSCBLANKEN 0x0400 /* redirect composite sync */
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#define VARVSYNC 0x0200 /* Variable vertical sync enable */
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#define VARHSYNC 0x0100 /* Variable horizontal sync enable */
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#define VARBEAM 0x0080 /* variable beam counter enable */
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#define DISPLAYDUAL 0x0040 /* use UHRES pointer and standard pointers */
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#define DISPLAYPAL 0x0020 /* set decodes to generate PAL display */
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#define VARCSYNC 0x0010 /* Variable composite sync enable */
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#define CSBLANK 0x0008 /* Composite blank out to CSY* pin */
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#define CSYNCTRUE 0x0004 /* composite sync true signal */
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#define VSYNCTRUE 0x0002 /* vertical sync true */
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#define HSYNCTRUE 0x0001 /* horizontal sync true */
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/* new defines for bplcon0 */
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#define USE_BPLCON3 1
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/* new defines for bplcon2 */
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#define BPLCON2_ZDCTEN (1<<10) /* colormapped genlock bit */
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#define BPLCON2_ZDBPEN (1<<11) /* use bitplane as genlock bits */
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#define BPLCON2_ZDBPSEL0 (1<<12) /* three bits to select one */
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#define BPLCON2_ZDBPSEL1 (1<<13) /* of 8 bitplanes in */
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#define BPLCON2_ZDBPSEL2 (1<<14) /* ZDBPEN genlock mode */
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/* defines for bplcon3 register */
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#define BPLCON3_EXTBLNKEN (1<<0) /* external blank enable */
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#define BPLCON3_EXTBLKZD (1<<1) /* external blank ored into trnsprncy */
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#define BPLCON3_ZDCLKEN (1<<2) /* zd pin outputs a 14mhz clock*/
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#define BPLCON3_BRDNTRAN (1<<4) /* border is opaque */
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#define BPLCON3_BRDNBLNK (1<<5) /* border is opaque */
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/* mixture of stuff. */
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#define STANDARD_NTSC_ROWS 262
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#define STANDARD_PAL_ROWS 312
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#define STANDARD_COLORCLOCKS 226
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#define STANDARD_DENISE_MAX 455
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#define STANDARD_DENISE_MIN 93
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#define STANDARD_NTSC_BEAMCON ( 0x0000 )
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#define STANDARD_PAL_BEAMCON ( DISPLAYPAL )
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#define SPECIAL_BEAMCON ( VARVBLANK | LOLDIS | VARVSYNC | VARHSYNC | VARBEAM | CSBLANK | VSYNCTRUE)
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#define MIN_NTSC_ROW 21
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#define MIN_PAL_ROW 29
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#define STANDARD_VIEW_X 0x81
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#define STANDARD_VIEW_Y 0x2C
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#define STANDARD_HBSTRT 0x06
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#define STANDARD_HSSTRT 0x0B
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#define STANDARD_HSSTOP 0x1C
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#define STANDARD_HBSTOP 0x2C
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#define STANDARD_VBSTRT 0x0122
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#define STANDARD_VSSTRT 0x02A6
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#define STANDARD_VSSTOP 0x03AA
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#define STANDARD_VBSTOP 0x1066
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/*
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* Prototypes
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*/
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#if defined (__STDC__)
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/* monitor functions */
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monitor_t *cc_init_monitor(void);
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void monitor_vbl_handler(monitor_t * m);
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dmode_t *get_current_mode(void);
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dmode_t *get_next_mode(dmode_t * d);
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dmode_t *get_best_mode(dimen_t * size, u_char depth);
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bmap_t *alloc_bitmap(u_short width, u_short height, u_short depth, u_short flags);
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void free_bitmap(bmap_t * bm);
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void cc_load_mode(dmode_t * d);
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int cc_init_modes(void);
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/* mode functions */
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monitor_t *cc_get_monitor(dmode_t * d);
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view_t *cc_get_current_view(dmode_t * d);
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view_t *cc_alloc_view(dmode_t * mode, dimen_t * dim, u_char depth);
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colormap_t *cc_alloc_colormap(int depth);
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int cc_colormap_checkvals(colormap_t * vcm, colormap_t * cm, int use);
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int cc_get_colormap(view_t * v, colormap_t * cm);
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int cc_use_colormap(view_t * v, colormap_t * cm);
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# if defined (GRF_A2024)
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colormap_t *cc_a2024_alloc_colormap(int depth);
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int cc_a2024_get_colormap(view_t * v, colormap_t * cm);
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int cc_a2024_use_colormap(view_t * v, colormap_t * cm);
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# endif /* GRF_2024 */
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void cc_mode_vbl_handler(dmode_t * d);
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void cc_lace_mode_vbl_handler(dmode_t * d);
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/* view functions */
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void cc_init_view(view_t * v, bmap_t * bm, dmode_t * mode, box_t * dbox);
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void cc_free_view(view_t * v);
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void cc_remove_view(view_t * v);
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dmode_t * cc_get_display_mode(view_t * v);
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# if defined (GRF_NTSC)
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dmode_t *cc_init_ntsc_hires(void);
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void display_hires_view(view_t * v);
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dmode_t *cc_init_ntsc_hires_lace(void);
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void display_hires_lace_view(view_t * v);
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# if defined (GRF_A2024)
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dmode_t *cc_init_ntsc_hires_dlace(void);
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void display_hires_dlace_view(view_t * v);
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dmode_t *cc_init_ntsc_a2024(void);
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void display_a2024_view(view_t * v);
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void a2024_mode_vbl_handler(dmode_t * d);
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# endif /* GRF_A2024 */
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# endif /* GRF_NTSC */
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# if defined (GRF_PAL)
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dmode_t *cc_init_pal_hires(void);
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void display_pal_hires_view(view_t * v);
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dmode_t *cc_init_pal_hires_lace(void);
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void display_pal_hires_lace_view(view_t * v);
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# if defined (GRF_A2024)
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dmode_t *cc_init_pal_hires_dlace(void);
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void display_pal_hires_dlace_view(view_t * v);
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dmode_t *cc_init_pal_a2024(void);
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void display_pal_a2024_view(view_t * v);
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void pal_a2024_mode_vbl_handler(dmode_t * d);
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# endif /* GRF_A2024 */
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# endif /* GRF_PAL */
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#endif /* __STDC__ */
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#endif /* _GRFABS_CCABS_H */
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