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Fixed CGA, Hercules, and MDA for the second time, per suggestion and code from basic2004;

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Added IBM PS/2 Model 30 emulation per mainline PCem patch from dns2kv2;
Commented out the Chips & Technologies VGA 451 as it needs further work;
Added the ability to disable XTIDE;
Prepared the icon that will be used for stable builds.
This commit is contained in:
OBattler
2017-02-20 00:16:42 +01:00
parent 7dccffbb0d
commit df4b4410e6
23 changed files with 346 additions and 66 deletions
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136
src/ps2.c Normal file
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#include "ibm.h"
#include "mem.h"
#include "ps2.h"
#include "rom.h"
#include "lpt.h"
static uint8_t ps2_92, ps2_94, ps2_102, ps2_103, ps2_104, ps2_105, ps2_190;
static struct
{
uint8_t status, int_status;
uint8_t attention, ctrl;
} ps2_hd;
uint8_t ps2_read(uint16_t port, void *p)
{
uint8_t temp;
switch (port)
{
case 0x91:
return 0;
case 0x92:
return ps2_92;
case 0x94:
return ps2_94;
case 0x102:
return ps2_102 | 8;
case 0x103:
return ps2_103;
case 0x104:
return ps2_104;
case 0x105:
return ps2_105;
case 0x190:
return ps2_190;
case 0x322:
temp = ps2_hd.status;
break;
case 0x324:
temp = ps2_hd.int_status;
ps2_hd.int_status &= ~0x02;
break;
default:
temp = 0xff;
break;
}
return temp;
}
void ps2_write(uint16_t port, uint8_t val, void *p)
{
switch (port)
{
case 0x0092:
ps2_92 = val;
mem_a20_alt = val & 2;
mem_a20_recalc();
break;
case 0x94:
ps2_94 = val;
break;
case 0x102:
lpt1_remove();
if (val & 0x04)
serial1_init(0x3f8, 4);
else
serial1_remove();
if (val & 0x10)
{
switch ((val >> 5) & 3)
{
case 0:
lpt1_init(0x3bc);
break;
case 1:
lpt1_init(0x378);
break;
case 2:
lpt1_init(0x278);
break;
}
}
ps2_102 = val;
break;
case 0x103:
ps2_103 = val;
break;
case 0x104:
ps2_104 = val;
break;
case 0x105:
ps2_105 = val;
break;
case 0x190:
ps2_190 = val;
break;
case 0x322:
ps2_hd.ctrl = val;
if (val & 0x80)
ps2_hd.status |= 0x02;
break;
case 0x324:
ps2_hd.attention = val & 0xf0;
if (ps2_hd.attention)
ps2_hd.status = 0x14;
break;
}
}
void ps2board_init()
{
io_sethandler(0x0091, 0x0001, ps2_read, NULL, NULL, ps2_write, NULL, NULL, NULL);
io_sethandler(0x0092, 0x0001, ps2_read, NULL, NULL, ps2_write, NULL, NULL, NULL);
io_sethandler(0x0094, 0x0001, ps2_read, NULL, NULL, ps2_write, NULL, NULL, NULL);
io_sethandler(0x0102, 0x0004, ps2_read, NULL, NULL, ps2_write, NULL, NULL, NULL);
io_sethandler(0x0190, 0x0001, ps2_read, NULL, NULL, ps2_write, NULL, NULL, NULL);
io_sethandler(0x0320, 0x0001, ps2_read, NULL, NULL, ps2_write, NULL, NULL, NULL);
io_sethandler(0x0322, 0x0001, ps2_read, NULL, NULL, ps2_write, NULL, NULL, NULL);
io_sethandler(0x0324, 0x0001, ps2_read, NULL, NULL, ps2_write, NULL, NULL, NULL);
ps2_190 = 0;
lpt1_remove();
lpt2_remove();
lpt1_init(0x3bc);
serial1_remove();
serial2_remove();
memset(&ps2_hd, 0, sizeof(ps2_hd));
}