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- fixed the behaviour of the vga emulation after changing a palette entry

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* removed the unnecessary screen resize code (caused lots of resizes when
    booting the DLX linux demo)
  * force a redraw of the screen in text mode
This commit is contained in:
Volker Ruppert 2003-01-11 21:41:20 +00:00
parent 2c93eb7600
commit 61f1fcd679
1 changed files with 3 additions and 23 deletions
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26
bochs/iodev/vga.cc
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@ -1,5 +1,5 @@
///////////////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////////////
// $Id: vga.cc,v 1.58 2003-01-11 11:18:03 vruppert Exp $ // $Id: vga.cc,v 1.59 2003-01-11 21:41:20 vruppert Exp $
///////////////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////////////
// //
// Copyright (C) 2002 MandrakeSoft S.A. // Copyright (C) 2002 MandrakeSoft S.A.
@ -1049,28 +1049,6 @@ bx_vga_c::write(Bit32u address, Bit32u value, unsigned io_len, bx_bool no_log)
break; break;
case 2: case 2:
BX_VGA_THIS s.pel.data[BX_VGA_THIS s.pel.write_data_register].blue = value; BX_VGA_THIS s.pel.data[BX_VGA_THIS s.pel.write_data_register].blue = value;
{
unsigned iHeight, iWidth;
#if BX_SUPPORT_VBE
// when we are in a vbe enabled mode, better get the width/height from the vbe settings
if (BX_VGA_THIS s.vbe_enabled)
{
old_iWidth = iWidth = BX_VGA_THIS s.vbe_xres;
old_iHeight = iHeight = BX_VGA_THIS s.vbe_yres;
}
else
#endif
{
// 'normal vga' operation
determine_screen_dimensions(&iHeight, &iWidth);
if( (iWidth != old_iWidth) || (iHeight != old_iHeight) )
{
bx_gui->dimension_update(iWidth, iHeight);
old_iWidth = iWidth;
old_iHeight = iHeight;
}
}
}
needs_update = bx_gui->palette_change(BX_VGA_THIS s.pel.write_data_register, needs_update = bx_gui->palette_change(BX_VGA_THIS s.pel.write_data_register,
BX_VGA_THIS s.pel.data[BX_VGA_THIS s.pel.write_data_register].red<<2, BX_VGA_THIS s.pel.data[BX_VGA_THIS s.pel.write_data_register].red<<2,
@ -1078,6 +1056,8 @@ bx_vga_c::write(Bit32u address, Bit32u value, unsigned io_len, bx_bool no_log)
BX_VGA_THIS s.pel.data[BX_VGA_THIS s.pel.write_data_register].blue<<2); BX_VGA_THIS s.pel.data[BX_VGA_THIS s.pel.write_data_register].blue<<2);
if (needs_update) { if (needs_update) {
// Mark all video as updated so the color changes will go through // Mark all video as updated so the color changes will go through
memset(BX_VGA_THIS s.text_snapshot, 0,
sizeof(BX_VGA_THIS s.text_snapshot));
BX_VGA_THIS s.vga_mem_updated = 1; BX_VGA_THIS s.vga_mem_updated = 1;
for (unsigned xti = 0; xti < BX_NUM_X_TILES; xti++) { for (unsigned xti = 0; xti < BX_NUM_X_TILES; xti++) {
for (unsigned yti = 0; yti < BX_NUM_Y_TILES; yti++) { for (unsigned yti = 0; yti < BX_NUM_Y_TILES; yti++) {