80486DX2-66/86Box-fork
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This commit is contained in:
OBattler
2023-10-11 23:18:59 +02:00
parent 60cf5921a3
commit 65175f4d7c
1 changed files with 0 additions and 51 deletions
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51
src/cpu/808x.c
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@@ -1233,19 +1233,6 @@ nearcall(uint16_t new_ip)
push(&ret_ip); push(&ret_ip);
} }
static void
farcall(uint16_t new_cs, uint16_t new_ip, int jump)
{
if (jump)
wait(1, 0);
pfq_do_suspend();
wait(3, 0);
push(&CS);
load_cs(new_cs);
wait(2, 0);
nearcall(new_ip);
}
static void static void
farcall2(uint16_t new_cs, uint16_t new_ip) farcall2(uint16_t new_cs, uint16_t new_ip)
{ {
@@ -1320,20 +1307,6 @@ sw_int(uint16_t intr)
push(&old_ip); push(&old_ip);
} }
static void
int1(void)
{
wait(2, 0);
intr_routine(1, 1);
}
static void
int2(void)
{
wait(2, 0);
intr_routine(2, 1);
}
static void static void
int3(void) int3(void)
{ {
@@ -1341,17 +1314,6 @@ int3(void)
intr_routine(3, 0); intr_routine(3, 0);
} }
static void
int_o(void)
{
wait(4, 0);
if (cpu_state.flags & V_FLAG) {
wait(2, 0);
intr_routine(4, 0);
}
}
void void
interrupt_808x(uint16_t addr) interrupt_808x(uint16_t addr)
{ {
@@ -2098,19 +2060,6 @@ farret(int far)
set_ip(new_ip); set_ip(new_ip);
} }
/* The IRET microcode routine. */
static void
iret_routine(void)
{
wait(1, 0);
farret(1);
if (is_nec)
cpu_state.flags = pop() | 0x8002;
else
cpu_state.flags = pop() | 0x0002;
wait(1, 0);
}
/* Executes instructions up to the specified number of cycles. */ /* Executes instructions up to the specified number of cycles. */
void void
execx86(int cycs) execx86(int cycs)