git.y1.nz

commit aa5fc484d1d8155a3b8bbc145cf32b4c05c334a0
parent 849ae42b9929458520be93f11b1a16551bfc2364
Author: Lior Halphon <LIJI32@gmail.com>
Date:   Tue,  3 Dec 2024 23:22:52 +0200

Fix m3_lcdc_obj_en_change_variant.gb

Diffstat:
M
Core/sm83_cpu.c
5
++++-

1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/Core/sm83_cpu.c b/Core/sm83_cpu.c
@@ -227,7 +227,10 @@ static void cycle_write(GB_gameboy_t *gb, uint16_t addr, uint8_t value)
             uint8_t old_value = GB_read_memory(gb, addr);
             GB_advance_cycles(gb, gb->pending_cycles - 2);
             GB_display_sync(gb);
-            if (gb->model != GB_MODEL_MGB && gb->position_in_line == 0 && (old_value & GB_LCDC_OBJ_EN) && !(value & GB_LCDC_OBJ_EN)) {
+            if (gb->model != GB_MODEL_MGB && gb->position_in_line == 0 && !(value & GB_LCDC_OBJ_EN)) {
+                old_value &= ~GB_LCDC_OBJ_EN;
+            }
+            else if (gb->during_object_fetch && !(value & GB_LCDC_OBJ_EN)) {
                 old_value &= ~GB_LCDC_OBJ_EN;
             }
             

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