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More CGB fixes

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This commit is contained in:
Lior Halphon 2018-03-17 20:34:55 +02:00
parent 2f1e21dc2d
commit 269bac4626
1 changed files with 5 additions and 5 deletions
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10
Core/display.c
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@ -499,12 +499,14 @@ void GB_display_run(GB_gameboy_t *gb, uint8_t cycles)
/* The OAM STAT interrupt occurs 1 T-cycle before STAT actually changes, except on line 0.
PPU glitch? (Todo: and in double speed mode?) */
if (gb->current_line != 0 && gb->cgb_double_speed) {
if (gb->current_line != 0 && !gb->cgb_double_speed) {
gb->io_registers[GB_IO_STAT] &= ~3;
gb->io_registers[GB_IO_STAT] |= 2;
}
GB_STAT_update(gb);
gb->io_registers[GB_IO_STAT] &= ~3;
if (gb->current_line != 0) {
gb->io_registers[GB_IO_STAT] &= ~3;
}
GB_SLEEP(gb, display, 7, 1);
@ -538,7 +540,7 @@ void GB_display_run(GB_gameboy_t *gb, uint8_t cycles)
{
uint8_t rendering_delay = 5;
if (gb->is_cgb) {
rendering_delay = gb->current_line == 0? 2 : 6;
rendering_delay = 6;
}
gb->cycles_for_line += rendering_delay;
GB_SLEEP(gb, display, 10, rendering_delay);
@ -768,8 +770,6 @@ void GB_display_run(GB_gameboy_t *gb, uint8_t cycles)
GB_STAT_update(gb);
GB_SLEEP(gb, display, 17, LINE_LENGTH - 12);
gb->io_registers[GB_IO_STAT] &= ~3;
/* Reset window rendering state */
gb->wy_diff = 0;
gb->window_disabled_while_active = false;