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Refinement to the last fix

This commit is contained in:
Lior Halphon 2017-09-20 03:08:54 +03:00
parent 57e7782ac4
commit be038dc8e7
1 changed files with 5 additions and 2 deletions
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7
Core/z80_cpu.c
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@ -1361,16 +1361,19 @@ void GB_cpu_run(GB_gameboy_t *gb)
}
if (effecitve_ime && interrupt_queue) {
nop(gb, 0);
uint16_t call_addr = gb->pc - 1;
GB_advance_cycles(gb, 8);
gb->registers[GB_REGISTER_SP] -= 2;
GB_write_memory(gb, gb->registers[GB_REGISTER_SP] + 1, (gb->pc) >> 8);
interrupt_queue = gb->interrupt_enable;
GB_advance_cycles(gb, 4);
interrupt_queue = (gb->interrupt_enable | gb->future_interrupts) & gb->io_registers[GB_IO_IF] & 0x1F;
GB_write_memory(gb, gb->registers[GB_REGISTER_SP], (gb->pc) & 0xFF);
interrupt_queue &= (gb->io_registers[GB_IO_IF] | gb->future_interrupts) & 0x1F;
gb->io_registers[GB_IO_IF] |= gb->future_interrupts;
gb->future_interrupts = 0;
GB_write_memory(gb, gb->registers[GB_REGISTER_SP], (gb->pc) & 0xFF);
GB_advance_cycles(gb, 4);
if (interrupt_queue) {
uint8_t interrupt_bit = 0;