Files
86Box/src/machine/machine_amstrad.c

179 lines
3.0 KiB
C

#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <stdlib.h>
#include <wchar.h>
#include "../86box.h"
#include "../ibm.h"
#include "../io.h"
#include "../nmi.h"
#include "../mem.h"
#include "../rom.h"
#include "../device.h"
#include "../nvr.h"
#include "../game/gameport.h"
#include "../keyboard.h"
#include "../keyboard_amstrad.h"
#include "../mouse.h"
#include "../lpt.h"
#include "../floppy/floppy.h"
#include "../floppy/fdd.h"
#include "../floppy/fdc.h"
#include "machine.h"
typedef struct {
int oldb;
} mouse_amstrad_t;
static uint8_t amstrad_dead;
static uint8_t mousex, mousey;
static uint8_t
amstrad_read(uint16_t port, void *priv)
{
pclog("amstrad_read: %04X\n", port);
switch (port) {
case 0x379:
return(7);
case 0x37a:
if (romset == ROM_PC1512) return(0x20);
if (romset == ROM_PC200) return(0x80);
return(0);
case 0xdead:
return(amstrad_dead);
}
return(0xff);
}
static void
amstrad_write(uint16_t port, uint8_t val, void *priv)
{
switch (port) {
case 0xdead:
amstrad_dead = val;
break;
}
}
static void
amstrad_mouse_write(uint16_t addr, uint8_t val, void *priv)
{
if (addr == 0x78)
mousex = 0;
else
mousey = 0;
}
static uint8_t
amstrad_mouse_read(uint16_t addr, void *priv)
{
if (addr == 0x78)
return(mousex);
return(mousey);
}
static uint8_t
amstrad_mouse_poll(int x, int y, int z, int b, void *priv)
{
mouse_amstrad_t *ms = (mouse_amstrad_t *)priv;
mousex += x;
mousey -= y;
if ((b & 1) && !(ms->oldb & 1))
keyboard_send(0x7e);
if ((b & 2) && !(ms->oldb & 2))
keyboard_send(0x7d);
if (!(b & 1) && (ms->oldb & 1))
keyboard_send(0xfe);
if (!(b & 2) && (ms->oldb & 2))
keyboard_send(0xfd);
ms->oldb = b;
return(0);
}
static void *
amstrad_mouse_init(mouse_t *info)
{
mouse_amstrad_t *ms = (mouse_amstrad_t *)malloc(sizeof(mouse_amstrad_t));
memset(ms, 0x00, sizeof(mouse_amstrad_t));
return(ms);
}
static void
amstrad_mouse_close(void *priv)
{
mouse_amstrad_t *ms = (mouse_amstrad_t *)priv;
free(ms);
}
mouse_t mouse_amstrad = {
"Amstrad mouse",
"amstrad",
MOUSE_TYPE_AMSTRAD,
amstrad_mouse_init,
amstrad_mouse_close,
amstrad_mouse_poll
};
static void
amstrad_init(void)
{
lpt2_remove_ams();
io_sethandler(0x0078, 1,
amstrad_mouse_read, NULL, NULL,
amstrad_mouse_write, NULL, NULL, NULL);
io_sethandler(0x007a, 1,
amstrad_mouse_read, NULL, NULL,
amstrad_mouse_write, NULL, NULL, NULL);
io_sethandler(0x0379, 2,
amstrad_read, NULL, NULL,
NULL, NULL, NULL, NULL);
io_sethandler(0xdead, 1,
amstrad_read, NULL, NULL,
amstrad_write, NULL, NULL, NULL);
}
void
machine_amstrad_init(machine_t *model)
{
machine_common_init(model);
amstrad_init();
keyboard_amstrad_init();
/* FIXME: make sure this is correct? */
nvr_at_init(1);
nmi_init();
fdc_set_dskchg_activelow();
if (joystick_type != 7)
device_add(&gameport_device);
}