Refined OAM interrupt timing. Fixes Pinball Deluxe in DMG mode; closes
@@ -440,6 +440,14 @@ static void update_display_state(GB_gameboy_t *gb, uint8_t cycles)
}
/* Handle everything else */
+ /* OAM interrupt happens slightly before STAT is actually updated. (About 1-3 T-cycles)
+ Todo: Test double speed CGB */
+ if (position_in_line == 0 && stat_delay) {
+ if (gb->io_registers[GB_IO_STAT] & 0x20) {
+ gb->stat_interrupt_line = true;
+ dmg_future_stat = true;
+ }
+ }
if (position_in_line == stat_delay) {
gb->io_registers[GB_IO_STAT] &= ~3;
gb->io_registers[GB_IO_STAT] |= 2;
@@ -593,7 +601,7 @@ static void update_display_state(GB_gameboy_t *gb, uint8_t cycles)
gb->io_registers[GB_IO_IF] |= 2;
}
}
- }
+ };
#if 0
/* The value of LY is glitched in the last cycle of every line in CGB mode CGB in single speed
