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Window Y still advances if WX=166

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This commit is contained in:
Lior Halphon 2020-02-24 23:59:18 +02:00
parent 7456beb7b9
commit b37a0b285a
1 changed files with 9 additions and 7 deletions
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16
Core/display.c
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@ -1037,17 +1037,19 @@ abort_fetching_object:
/* Handle window */
/* Todo: verify timings */
if (!gb->wx_triggered && gb->wy_triggered && (gb->io_registers[GB_IO_LCDC] & 0x20)) {
if (gb->io_registers[GB_IO_WX] >= 166) {
if (gb->io_registers[GB_IO_WX] >= 167) {
// Too late to enable the window
}
else if (gb->io_registers[GB_IO_WX] == (uint8_t) (gb->position_in_line + 7) ||
gb->io_registers[GB_IO_WX] == (uint8_t) (gb->position_in_line + 6)) {
gb->wx_triggered = true;
gb->io_registers[GB_IO_WX] == (uint8_t) (gb->position_in_line + 6)) {
gb->window_y++;
fifo_clear(&gb->bg_fifo);
gb->bg_fifo_paused = true;
gb->oam_fifo_paused = true;
gb->fetcher_state = 1;
if (gb->io_registers[GB_IO_WX] != 166) {
gb->wx_triggered = true;
fifo_clear(&gb->bg_fifo);
gb->bg_fifo_paused = true;
gb->oam_fifo_paused = true;
gb->fetcher_state = 1;
}
}
}