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Do the same for SGB

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This commit is contained in:
Lior Halphon 2020-03-06 21:19:53 +02:00
parent 34cf0f558d
commit e7f6ac8828
1 changed files with 3 additions and 16 deletions
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19
Core/sm83_cpu.c
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@ -224,23 +224,10 @@ static void cycle_write(GB_gameboy_t *gb, uint16_t addr, uint8_t value)
uint8_t old_value = GB_read_memory(gb, addr);
GB_advance_cycles(gb, gb->pending_cycles - 2);
/* Handle disabling objects while already fetching an object */
if ((old_value & 2) && !(value & 2)) {
if (gb->during_object_fetch) {
gb->cycles_for_line += gb->display_cycles;
gb->display_cycles = 0;
gb->object_fetch_aborted = true;
}
}
/* Hack to force aborting object fetch */
GB_write_memory(gb, addr, value);
GB_write_memory(gb, addr, old_value);
GB_advance_cycles(gb, 1);
/* Handle disabling objects while already fetching an object */
if ((old_value & 2) && !(value & 2)) {
if (gb->during_object_fetch) {
gb->cycles_for_line += gb->display_cycles;
gb->display_cycles = 0;
gb->object_fetch_aborted = true;
}
}
GB_write_memory(gb, addr, value);
gb->pending_cycles = 5;
return;