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Dribs and drabs which have escaped

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This commit is contained in:
Jasmine Iwanek
2023-08-11 20:32:56 -04:00
parent 9be5d17061
commit 02e41927e3
25 changed files with 398 additions and 326 deletions
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22
src/video/vid_ega.c
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@@ -92,11 +92,11 @@ ega_out(uint16_t addr, uint8_t val, void *priv)
case 0xb2:
case 0xbe:
#if 0
if (ega->regs[0xbe] & 8) { /*Read/write bank mode*/
svga->read_bank = ((ega->regs[0xb2] >> 5) & 7) * 0x10000;
svga->write_bank = ((ega->regs[0xb2] >> 1) & 7) * 0x10000;
} else /*Single bank mode*/
svga->read_bank = svga->write_bank = ((ega->regs[0xb2] >> 1) & 7) * 0x10000;
if (ega->regs[0xbe] & 8) { /*Read/write bank mode*/
svga->read_bank = ((ega->regs[0xb2] >> 5) & 7) * 0x10000;
svga->write_bank = ((ega->regs[0xb2] >> 1) & 7) * 0x10000;
} else /*Single bank mode*/
svga->read_bank = svga->write_bank = ((ega->regs[0xb2] >> 1) & 7) * 0x10000;
#endif
break;
case 0xb3:
@@ -371,7 +371,7 @@ ega_in(uint16_t addr, void *priv)
/* 0000 = None;
0001 = Compaq Dual-Mode (DM) Monitor;
0010 = RGBI Color Monitor;
0011 = COMAPQ Color Monitor (RrGgBb) or Compatible;
0011 = COMPAQ Color Monitor (RrGgBb) or Compatible;
0100 - 1111 = Reserved. */
ret = 0x01;
break;
@@ -1403,11 +1403,11 @@ ega_speed_changed(void *priv)
}
/* SW1 SW2 SW3 SW4
OFF OFF ON OFF Monochrome (5151) 1011 0x0B
ON OFF OFF ON Color 40x25 (5153) 0110 0x06
OFF OFF OFF ON Color 80x25 (5153) 0111 0x07
ON ON ON OFF Enhanced Color - Normal Mode (5154) 1000 0x08
OFF ON ON OFF Enhanced Color - Enhanced Mode (5154) 1001 0x09
OFF OFF ON OFF Monochrome (5151) 1011 0x0B
ON OFF OFF ON Color 40x25 (5153) 0110 0x06
OFF OFF OFF ON Color 80x25 (5153) 0111 0x07
ON ON ON OFF Enhanced Color - Normal Mode (5154) 1000 0x08
OFF ON ON OFF Enhanced Color - Enhanced Mode (5154) 1001 0x09
0 = Switch closed (ON);
1 = Switch open (OFF). */