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86Box/src/amstrad.c

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/* Copyright holders: Sarah Walker
see COPYING for more details
*/
#include "ibm.h"
#include "io.h"
#include "keyboard.h"
#include "lpt.h"
#include "mouse.h"
#include "amstrad.h"
static uint8_t amstrad_dead;
uint8_t amstrad_read(uint16_t port, void *priv)
{
pclog("amstrad_read : %04X\n",port);
switch (port)
{
case 0x379:
return 7 | readdacfifo();
case 0x37a:
if (romset == ROM_PC1512) return 0x20;
if (romset == ROM_PC200) return 0x80;
return 0;
case 0xdead:
return amstrad_dead;
}
return 0xff;
}
void amstrad_write(uint16_t port, uint8_t val, void *priv)
{
switch (port)
{
case 0xdead:
amstrad_dead = val;
break;
}
}
void amstrad_init()
{
lpt2_remove_ams();
io_sethandler(0x0379, 0x0002, amstrad_read, NULL, NULL, NULL, NULL, NULL, NULL);
io_sethandler(0xdead, 0x0001, amstrad_read, NULL, NULL, amstrad_write, NULL, NULL, NULL);
}