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Text mode uses start address now.

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Support for double lined vesa modes.


Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1226
This commit is contained in:
Sjoerd van der Berg 2003-09-03 20:36:28 +00:00
parent 66c850027e
commit 72e2a732df
1 changed files with 9 additions and 2 deletions
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11
src/hardware/vga_draw.cpp
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@ -99,7 +99,7 @@ static void VGA_TANDY16_Draw(Bit8u * bitdata,Bitu pitch) {
void VGA_TEXT_Draw(Bit8u * bitdata,Bitu start,Bitu panning,Bitu rows) {
Bit8u * reader=&vga.mem.linear[0];
Bit8u * reader=&vga.mem.linear[start*2];
Bit8u * draw_start=bitdata;
/* Todo Blinking and high intensity colors */
Bitu next_charline=vga.draw.font_height*vga.draw.width;
@ -344,6 +344,13 @@ void VGA_SetupDrawing(void) {
break;
case M_LIN8:
width<<=3;
if (vga.draw.double_width) width>>=1;
if (!vga.draw.double_height) {
if (vga.config.vline_height&1) {
vga.draw.double_height=true;
vga.draw.font_height/=2;
}
}
pitch=vga.config.scan_len*8;
break;
case M_EGA16:
@ -390,7 +397,7 @@ void VGA_SetupDrawing(void) {
vga.draw.height=height;
vga.draw.pitch=pitch;
LOG(LOG_VGA,LOG_NORMAL)("Width %d, Height %d",width,height);
LOG(LOG_VGA,LOG_NORMAL)("Width %d, Height %d, Pitch %d",width,height,pitch);
LOG(LOG_VGA,LOG_NORMAL)("Flags %X, fps %f",flags,fps);
RENDER_SetSize(width,height,8,pitch,((float)width/(float)height),flags,&VGA_DrawHandler);
vga.draw.blank=(Bitu)(1000000/fps);