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Fixed regression involving rendering a window with negative X position. Closes #75

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This commit is contained in:
Lior Halphon 2018-06-07 23:08:46 +03:00
parent f1dfa2a1bc
commit 127324d2d6
1 changed files with 1 additions and 1 deletions
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Core/display.c
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@ -776,7 +776,7 @@ void GB_display_run(GB_gameboy_t *gb, uint8_t cycles)
/* Todo: Timing (Including penalty and access timings) not verified by test ROM */
if (!gb->in_window && window_enabled(gb) &&
gb->current_line >= gb->io_registers[GB_IO_WY] + gb->wy_diff &&
gb->position_in_line + 7 == gb->io_registers[GB_IO_WX]) {
(uint8_t)(gb->position_in_line + 7) == gb->io_registers[GB_IO_WX]) {
gb->in_window = true;
fifo_clear(&gb->bg_fifo);
gb->bg_fifo_paused = true;