while (1) {
value = *(gpio + 13);
+ if (value & (1 << PIN_TXN_IN_PROGRESS))
+ goto noppers;
if (!(value & (1 << PIN_IPL_ZERO))) {
old_irq = irq_delay;
}*/
//usleep(0);
//NOP NOP
+noppers:
NOP NOP NOP NOP NOP NOP NOP NOP
//NOP NOP NOP NOP NOP NOP NOP NOP
//NOP NOP NOP NOP NOP NOP NOP NOP
return args;
}
+static inline unsigned int inline_read_status_reg() {
+ *(gpio + 7) = (REG_STATUS << PIN_A0);
+ *(gpio + 7) = 1 << PIN_RD;
+ *(gpio + 7) = 1 << PIN_RD;
+ *(gpio + 7) = 1 << PIN_RD;
+ *(gpio + 7) = 1 << PIN_RD;
+
+ unsigned int value = *(gpio + 13);
+
+ *(gpio + 10) = 0xffffec;
+
+ return (value >> 8) & 0xffff;
+}
+
void *cpu_task() {
m68ki_cpu_core *state = &m68ki_cpu;
m68k_pulse_reset(state);
}
}
- if (irq) {
- last_irq = ((read_reg() & 0xe000) >> 13);
+ while (irq) {
+ last_irq = ((inline_read_status_reg() & 0xe000) >> 13);
if (last_irq != last_last_irq) {
last_last_irq = last_irq;
M68K_SET_IRQ(last_irq);
}
- } else if (!irq && last_last_irq != 0) {
+ m68k_execute(state, 50);
+ }
+ if (!irq && last_last_irq != 0) {
M68K_SET_IRQ(0);
last_last_irq = 0;
}