206 lines
4.7 KiB
C
206 lines
4.7 KiB
C
#include <stdio.h>
|
|
#include <stdint.h>
|
|
#include <string.h>
|
|
#include <wchar.h>
|
|
#include <86box/86box.h>
|
|
#include "cpu.h"
|
|
#include <86box/timer.h>
|
|
#include <86box/io.h>
|
|
#include <86box/dma.h>
|
|
#include <86box/pic.h>
|
|
#include <86box/pit.h>
|
|
#include <86box/mem.h>
|
|
#include <86box/rom.h>
|
|
#include <86box/device.h>
|
|
#include <86box/nvr.h>
|
|
#include <86box/keyboard.h>
|
|
#include <86box/lpt.h>
|
|
#include <86box/port_6x.h>
|
|
#include <86box/port_92.h>
|
|
#include <86box/serial.h>
|
|
#include <86box/hdc.h>
|
|
#include <86box/fdd.h>
|
|
#include <86box/fdc.h>
|
|
#include <86box/video.h>
|
|
#include <86box/machine.h>
|
|
|
|
|
|
static uint8_t ps2_91, ps2_94, ps2_102, ps2_103, ps2_104, ps2_105, ps2_190;
|
|
static serial_t *ps2_uart;
|
|
|
|
|
|
static struct
|
|
{
|
|
uint8_t status, int_status;
|
|
uint8_t attention, ctrl;
|
|
} ps2_hd;
|
|
|
|
|
|
static uint8_t ps2_read(uint16_t port, void *p)
|
|
{
|
|
uint8_t temp;
|
|
|
|
switch (port)
|
|
{
|
|
case 0x91:
|
|
temp = ps2_91;
|
|
ps2_91 = 0;
|
|
return temp;
|
|
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;
|
|
|
|
#ifdef FIXME
|
|
case 0x322:
|
|
temp = ps2_hd.status;
|
|
break;
|
|
case 0x324:
|
|
temp = ps2_hd.int_status;
|
|
ps2_hd.int_status &= ~0x02;
|
|
break;
|
|
#endif
|
|
|
|
default:
|
|
temp = 0xff;
|
|
break;
|
|
}
|
|
|
|
return temp;
|
|
}
|
|
|
|
static void ps2_write(uint16_t port, uint8_t val, void *p)
|
|
{
|
|
switch (port)
|
|
{
|
|
case 0x94:
|
|
ps2_94 = val;
|
|
break;
|
|
case 0x102:
|
|
if (!(ps2_94 & 0x80)) {
|
|
lpt1_remove();
|
|
serial_remove(ps2_uart);
|
|
if (val & 0x04) {
|
|
if (val & 0x08)
|
|
serial_setup(ps2_uart, COM1_ADDR, COM1_IRQ);
|
|
else
|
|
serial_setup(ps2_uart, COM2_ADDR, COM2_IRQ);
|
|
}
|
|
if (val & 0x10) {
|
|
switch ((val >> 5) & 3)
|
|
{
|
|
case 0:
|
|
lpt1_init(LPT_MDA_ADDR);
|
|
break;
|
|
case 1:
|
|
lpt1_init(LPT1_ADDR);
|
|
break;
|
|
case 2:
|
|
lpt1_init(LPT2_ADDR);
|
|
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;
|
|
|
|
#ifdef FIXME
|
|
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;
|
|
#endif
|
|
}
|
|
}
|
|
|
|
|
|
static void ps2board_init(void)
|
|
{
|
|
io_sethandler(0x0091, 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);
|
|
#ifdef FIXME
|
|
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);
|
|
#endif
|
|
|
|
device_add(&port_92_device);
|
|
|
|
ps2_190 = 0;
|
|
|
|
ps2_uart = device_add_inst(&ns16450_device, 1);
|
|
|
|
lpt1_init(LPT_MDA_ADDR);
|
|
|
|
memset(&ps2_hd, 0, sizeof(ps2_hd));
|
|
}
|
|
|
|
|
|
int
|
|
machine_ps2_m30_286_init(const machine_t *model)
|
|
{
|
|
void *priv;
|
|
|
|
int ret;
|
|
|
|
ret = bios_load_linear("roms/machines/ibmps2_m30_286/33f5381a.bin",
|
|
0x000e0000, 131072, 0);
|
|
|
|
if (bios_only || !ret)
|
|
return ret;
|
|
|
|
machine_common_init(model);
|
|
|
|
mem_remap_top(384);
|
|
|
|
device_add(&fdc_at_ps1_device);
|
|
|
|
refresh_at_enable = 1;
|
|
pit_ctr_set_out_func(&pit->counters[1], pit_refresh_timer_at);
|
|
dma16_init();
|
|
device_add(&keyboard_ps2_device);
|
|
device_add(&port_6x_ps2_device);
|
|
device_add(&ps_nvr_device);
|
|
pic2_init();
|
|
ps2board_init();
|
|
device_add(&ps1vga_device);
|
|
|
|
/* Enable the builtin HDC. */
|
|
if (hdc_current == 1) {
|
|
priv = device_add(&ps1_hdc_device);
|
|
|
|
ps1_hdc_inform(priv, &ps2_91);
|
|
}
|
|
|
|
return ret;
|
|
}
|