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Small checks for PC-98x1 compatibility

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See above.
This commit is contained in:
TC1995
2024-07-12 20:51:24 +02:00
parent da773e671a
commit 4dedfc897a
4 changed files with 6 additions and 2 deletions
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1
src/cpu/cpu.c
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@@ -210,6 +210,7 @@ int cpu_iscyrix;
int hascache;
int isibm486;
int israpidcad;
int is_pc98x1;
int is_vpc;
int is_am486;
int is_am486dxl;

1
src/cpu/cpu.h
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@@ -662,6 +662,7 @@ extern uint32_t old_rammask;
extern int acycs;
#endif
extern int pic_pending;
extern int is_pc98x1;
extern int is_vpc;
extern int soft_reset_mask;
extern int alt_access;

1
src/machine/machine.c
View File

@@ -81,6 +81,7 @@ machine_init_ex(int m)
machine_snd = NULL;
is_pc98x1 = 0;
is_vpc = 0;
standalone_gameport_type = NULL;

5
src/pit.c
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@@ -956,6 +956,7 @@ static void *
pit_pc98_init(const device_t *info)
{
pit_t *dev = (pit_t *) malloc(sizeof(pit_t));
pit_reset(dev);
timer_add(&dev->callback_timer, pit_timer_over, (void *) dev, 0);
@@ -1167,7 +1168,7 @@ pit_set_clock(uint32_t clock)
else
cpuclock = (double) clock;
if (machine_pc98.init)
if (is_pc98x1)
PITCONSTD = (cpuclock / 2457600.0);
else
PITCONSTD = (cpuclock / 1193182.0);
@@ -1225,7 +1226,7 @@ pit_set_clock(uint32_t clock)
PITCONST = (24ULL << 32LL);
CGACONST = (16ULL << 32LL);
} else if (cpuclock != 14318184.0) {
if (machine_pc98.init)
if (is_pc98x1)
PITCONSTD = (cpuclock / 2457600.0);
else
PITCONSTD = (cpuclock / 1193182.0);