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Add cga_mono machine

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Emulates the user using a CGA card with a monochrome monitor.
Monochrome monitor options are: green, amber, white or paperwhite.
The color can be changed at runtime with F11.

Include paperwhite color by Basic <basic@vogons.org>
https://www.vogons.org/viewtopic.php?p=587382#p587382

Vogons thread: https://www.vogons.org/viewtopic.php?f=41&t=29101

Signed-off-by: Michael Zijlstra <mzijlstra@gmail.com>
Signed-off-by: Patryk Obara <dreamer.tan@gmail.com>

Imported-from: https://www.vogons.org/viewtopic.php?p=238045#p238045
This commit is contained in:
VileRancour 2003-05-15 11:45:38 +02:00 • committed by Patryk Obara
parent 46e5fdee69
commit ffe3c5ab7f
6 changed files with 93 additions and 10 deletions
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src/ints/int10_modes.cpp
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@ -620,6 +620,7 @@ static bool INT10_SetVideoMode_OTHER(Bit16u mode, bool clearmem)
IO_WriteB(0x3d9,color_select);
real_writeb(BIOSMEM_SEG,BIOSMEM_CURRENT_MSR,mode_control);
real_writeb(BIOSMEM_SEG,BIOSMEM_CURRENT_PAL,color_select);
if (mono_cga) Mono_CGA_Palette();
break;
case MCH_TANDY:
/* Init some registers */