From 127324d2d670f29387b87e959f661295f7a595e4 Mon Sep 17 00:00:00 2001
From: Lior Halphon <LIJI32@gmail.com>
Date: Thu, 7 Jun 2018 23:08:46 +0300
Subject: [PATCH] Fixed regression involving rendering a window with negative X
 position. Closes #75

---
 Core/display.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Core/display.c b/Core/display.c
index 24723ba..2024904 100644
--- a/Core/display.c
+++ b/Core/display.c
@@ -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;