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VL82C48x: Add logging and fix a compile-breaking mistake

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win2kgamer
2026-02-18 22:35:39 -06:00
parent 5e6e81353e
commit 58323156c1
1 changed files with 39 additions and 2 deletions
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41
src/chipset/vl82c480.c
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@@ -12,11 +12,17 @@
*
* Copyright 2020 Miran Grca.
*/
#ifdef ENABLE_VL82C48X_LOG
#include <stdarg.h>
#endif
#include <stdio.h>
#include <stdint.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>
@@ -27,11 +33,31 @@
#include <86box/nmi.h>
#include <86box/port_92.h>
#include <86box/chipset.h>
#include <86box/log.h>
#ifdef ENABLE_VL82C48X_LOG
int vl82c48x_do_log = ENABLE_VL82C48X_LOG;
static void
vl82c48x_log(void *priv, const char *fmt, ...)
{
if (vl82c48x_do_log) {
va_list ap;
va_start(ap, fmt);
log_out(priv, fmt, ap);
va_end(ap);
}
}
#else
# define vl82c48x_log(fmt, ...)
#endif
typedef struct vl82c480_t {
uint8_t idx;
uint8_t regs[256];
uint32_t banks[4];
void * log; // New logging system
} vl82c480_t;
static int
@@ -80,9 +106,9 @@ vl82c480_recalc_shadow(vl82c480_t *dev)
/* Implement ROMCS# disable portion of ROMMOV behavior */
if ((dev->regs[0x11] == 0x00) && ((dev->regs[0x0c] & 0x20) || (dev->regs[0x0c] & 0x10)))
mem_set_mem_state(0xe0000, 0x10000, MEM_READ_EXTERNAL | MEM_WRITE_EXTERNAL);
if (!(dev->regs[0x0f] & 0x0f) && !(dev->regs[0x0c] & 0x20)) {
if (!(dev->regs[0x0f] & 0x0f) && !(dev->regs[0x0c] & 0x20))
mem_set_mem_state(0xc0000, 0x8000, MEM_READ_EXTERNAL | MEM_WRITE_EXTERNAL);
if (!(dev->regs[0x0f] & 0xf0) && !((dev->regs[0x0c] & 0x30) == 0x30)) {
if (!(dev->regs[0x0f] & 0xf0) && !((dev->regs[0x0c] & 0x30) == 0x30))
mem_set_mem_state(0xc8000, 0x8000, MEM_READ_EXTERNAL | MEM_WRITE_EXTERNAL);
flushmmucache();
@@ -124,6 +150,8 @@ vl82c480_write(uint16_t addr, uint8_t val, void *priv)
{
vl82c480_t *dev = (vl82c480_t *) priv;
vl82c48x_log(dev->log, "[%04X:%08X] VL82c48x: [W] %04X = %02X\n", CS, cpu_state.pc, addr, val);
switch (addr) {
case 0xec:
dev->idx = val;
@@ -207,6 +235,8 @@ vl82c480_read(uint16_t addr, void *priv)
break;
}
vl82c48x_log(dev->log, "[%04X:%08X] VL82c48x: [R] %04X = %02X\n", CS, cpu_state.pc, addr, ret);
return ret;
}
@@ -215,6 +245,11 @@ vl82c480_close(void *priv)
{
vl82c480_t *dev = (vl82c480_t *) priv;
if (dev->log != NULL) {
log_close(dev->log);
dev->log = NULL;
}
free(dev);
}
@@ -229,6 +264,8 @@ vl82c480_init(const device_t *info)
uint8_t min_j = (machines[machine].init == machine_at_monsoon_init) ? 2 : 2;
uint8_t max_j = (machines[machine].init == machine_at_monsoon_init) ? 7 : 7;
dev->log = log_open("VL82c48x");
dev->regs[0x00] = info->local;
dev->regs[0x01] = 0xff;
dev->regs[0x02] = 0x8a;