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Some clean-ups in cpu/808x.c.

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This commit is contained in:
OBattler
2023-08-23 01:15:45 +02:00
parent 15281b22b6
commit 6a23499051
1 changed files with 0 additions and 35 deletions
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35
src/cpu/808x.c
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@@ -487,21 +487,6 @@ cycles_biu(int bus, int init)
BUS_CYCLE_NEXT;
}
#ifdef REENIGNE_MODELING
static void
bus_init(void)
{
/* Replacement for the old access() stuff. */
if ((BUS_CYCLE == BUS_T4) && last_was_code && (opcode != 0x8f) && (opcode != 0xc7) && (opcode != 0xcc) && (opcode != 0xcd) && (opcode != 0xce) && ((opcode & 0xf0) != 0xa0))
cycles_idle(1);
cycles_idle(2);
while ((BUS_CYCLE == BUS_T2) || (BUS_CYCLE == BUS_T3))
cycles_idle(1);
}
#endif
/* Bus:
0 CPU cycles without bus access.
1 CPU cycle T1-T4, bus access.
@@ -561,10 +546,6 @@ resub_cycles(int old_cycles)
static void
cpu_io(int bits, int out, uint16_t port)
{
#ifdef REENIGNE_MODELING
bus_init();
#endif
if (out) {
if (bits == 16) {
if (is8086 && !(port & 1)) {
@@ -608,10 +589,6 @@ readmemb(uint32_t s, uint16_t a)
{
uint8_t ret;
#ifdef REENIGNE_MODELING
bus_init();
#endif
mem_seg = s;
mem_addr = a;
bus_request_type = BUS_MEM;
@@ -642,10 +619,6 @@ readmemw(uint32_t s, uint16_t a)
{
uint16_t ret;
#ifdef REENIGNE_MODELING
bus_init();
#endif
mem_seg = s;
mem_addr = a;
if (is8086 && !(a & 1)) {
@@ -715,10 +688,6 @@ writememb(uint32_t s, uint32_t a, uint8_t v)
{
uint32_t addr = s + a;
#ifdef REENIGNE_MODELING
bus_init();
#endif
mem_seg = s;
mem_addr = a;
mem_data = v;
@@ -736,10 +705,6 @@ writememw(uint32_t s, uint32_t a, uint16_t v)
{
uint32_t addr = s + a;
#ifdef REENIGNE_MODELING
bus_init();
#endif
mem_seg = s;
mem_addr = a;
mem_data = v;