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TempleOSCD_150216.ISO

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Terry A. Davis authored and minexew committed 2018-09-08 21:46:15 +02:00
1 parent 64f679eeb9
commit 401601816c
531 files changed
+23341 -22071
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Adam/Gr/GrPalette.CPP
+19 -19
View File
@@ -18,35 +18,35 @@ we never need to worry about indexes,
just DAC palette settings.
*/
I64 i;
if (!sys_bios_gr_mode) return;
if (!Bt(&sys_run_level,RLf_VGA)) return;
PUSHFD
CLI
while (LBts(&sys_semas[SYS_SEMA_VGA],0))
Yield;
InU8(VGA_INPUT_STAT); //Rsts attr index/data
InU8(VGAP_INPUT_STAT); //Rsts attr index/data
for (i=0;i<16;i++) {
OutU8(VGA_ATTR_INDEX,i);
OutU8(VGA_ATTR_DATA_WRITE,i);
OutU8(VGAP_ATTR_INDEX,i);
OutU8(VGAP_ATTR_DATA_WRITE,i);
}
OutU8(VGA_ATTR_INDEX,0x20);
OutU8(VGA_ATTR_DATA_WRITE,0); //Dummy write
InU8(VGA_INPUT_STAT); //Rsts attr index/data
OutU8(VGAP_ATTR_INDEX,0x20);
OutU8(VGAP_ATTR_DATA_WRITE,0); //Dummy write
InU8(VGAP_INPUT_STAT); //Rsts attr index/data
LBtr(&sys_semas[SYS_SEMA_VGA],0);
POPFD
}
public U0 SetVGAPaletteColor(I64 color_num,CBGR bgr)
{//6-bits per b, g and r.
if (!sys_bios_gr_mode) return;
if (!Bt(&sys_run_level,RLf_VGA)) return;
PUSHFD
CLI
while (LBts(&sys_semas[SYS_SEMA_VGA],0))
Yield;
OutU8(VGA_PALETTE_MASK,0xFF);
OutU8(VGA_REG_WRITE,color_num);
OutU8(VGA_PALETTE_DATA,bgr.r>>2);
OutU8(VGA_PALETTE_DATA,bgr.g>>2);
OutU8(VGA_PALETTE_DATA,bgr.b>>2);
OutU8(VGAP_PALETTE_MASK,0xFF);
OutU8(VGAP_REG_WRITE,color_num);
OutU8(VGAP_PALETTE_DATA,bgr.r>>2);
OutU8(VGAP_PALETTE_DATA,bgr.g>>2);
OutU8(VGAP_PALETTE_DATA,bgr.b>>2);
LBtr(&sys_semas[SYS_SEMA_VGA],0);
POPFD
}
@@ -54,16 +54,16 @@ public U0 SetVGAPaletteColor(I64 color_num,CBGR bgr)
public CBGR GetVGAPaletteColor(I64 color_num)
{//6-bits per b, g and r.
CBGR result=0;
if (!sys_bios_gr_mode) return 0;
if (!Bt(&sys_run_level,RLf_VGA)) return 0;
PUSHFD
CLI
while (LBts(&sys_semas[SYS_SEMA_VGA],0))
Yield;
OutU8(VGA_PALETTE_MASK,0xFF);
OutU8(VGA_REG_READ,color_num);
result.r=InU8(VGA_PALETTE_DATA)<<2;
result.g=InU8(VGA_PALETTE_DATA)<<2;
result.b=InU8(VGA_PALETTE_DATA)<<2;
OutU8(VGAP_PALETTE_MASK,0xFF);
OutU8(VGAP_REG_READ,color_num);
result.r=InU8(VGAP_PALETTE_DATA)<<2;
result.g=InU8(VGAP_PALETTE_DATA)<<2;
result.b=InU8(VGAP_PALETTE_DATA)<<2;
LBtr(&sys_semas[SYS_SEMA_VGA],0);
POPFD
return result;