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-rw-r--r--src/ppu/internals.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/ppu/internals.c b/src/ppu/internals.c
index 7fd2eb9..5badfc9 100644
--- a/src/ppu/internals.c
+++ b/src/ppu/internals.c
@@ -105,6 +105,7 @@ void hh_ppu_vram_buffer(uint8_t data[4]) {
}
void hh_ppu_vram_flush() {
+ if (g_hh_ppu_vram_buffer_size == 0) return;
hh_ppu_vram_buffer((uint8_t[4]){ 0xff, 0xff, 0xff, 0xff });
hh_ppu_vram_dwrite(g_hh_ppu_vram_buffer_ptr, g_hh_ppu_vram_buffer_size);
g_hh_ppu_vram_buffer_size = 0;