Added chipset and xta interface to Philips machines.

Major refactoring.
This commit is contained in:
EngiNerd89
2021-02-06 23:58:39 +01:00
parent 306a2e40de
commit b7e2e239e8
12 changed files with 481 additions and 447 deletions

View File

@@ -1,117 +0,0 @@
/*
* 86Box A hypervisor and IBM PC system emulator that specializes in
* running old operating systems and software designed for IBM
* PC systems and compatibles from 1981 through fairly recent
* system designs based on the PCI bus.
*
* This file is part of the 86Box distribution.
*
* Implementation of the Olivetti M290 registers Readout
*
* Authors: EngiNerd <webmaster.crrc@yahoo.it>
*
* Copyright 2020-2021 EngiNerd
*/
#include <stdarg.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <wchar.h>
#define HAVE_STDARG_H
#include <86box/86box.h>
#include "cpu.h"
#include <86box/timer.h>
#include <86box/io.h>
#include <86box/device.h>
#include <86box/chipset.h>
#include <86box/video.h>
typedef struct
{
uint8_t reg_067;
uint8_t reg_069;
} olivetti_m290_registers_t;
#ifdef ENABLE_OLIVETTI_M290_REGISTERS_LOG
int olivetti_m290_registers_do_log = ENABLE_OLIVETTI_M290_REGISTERS_LOG;
static void
olivetti_m290_registers_log(const char *fmt, ...)
{
va_list ap;
if (olivetti_m290_registers_do_log) {
va_start(ap, fmt);
pclog_ex(fmt, ap);
va_end(ap);
}
}
#else
#define olivetti_m290_registers_log(fmt, ...)
#endif
static void
olivetti_m290_registers_write(uint16_t addr, uint8_t val, void *priv)
{
olivetti_m290_registers_t *dev = (olivetti_m290_registers_t *) priv;
olivetti_m290_registers_log("Olivetti M290 registers: Write %02x at %02x\n", val, addr);
switch (addr) {
case 0x067:
dev->reg_067 = val;
break;
case 0x069:
dev->reg_069 = val;
break;
}
}
static uint8_t
olivetti_m290_registers_read(uint16_t addr, void *priv)
{
olivetti_m290_registers_t *dev = (olivetti_m290_registers_t *) priv;
uint8_t ret = 0xff;
switch (addr) {
case 0x067:
ret = dev->reg_067;
break;
case 0x069:
ret = dev->reg_069;
break;
}
olivetti_m290_registers_log("Olivetti M290 registers: Read %02x at %02x\n", ret, addr);
return ret;
}
static void
olivetti_m290_registers_close(void *priv)
{
olivetti_m290_registers_t *dev = (olivetti_m290_registers_t *) priv;
free(dev);
}
static void *
olivetti_m290_registers_init(const device_t *info)
{
olivetti_m290_registers_t *dev = (olivetti_m290_registers_t *) malloc(sizeof(olivetti_m290_registers_t));
memset(dev, 0, sizeof(olivetti_m290_registers_t));
dev->reg_067 = 0x0;
dev->reg_069 = 0x0;
io_sethandler(0x0067, 0x0003, olivetti_m290_registers_read, NULL, NULL, olivetti_m290_registers_write, NULL, NULL, dev);
return dev;
}
const device_t olivetti_m290_registers_device = {
"Olivetti M290 registers Readout",
0,
0,
olivetti_m290_registers_init, olivetti_m290_registers_close, NULL,
{ NULL }, NULL, NULL,
NULL
};