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SameBoy
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This commit is contained in:
Lior Halphon 2023-01-02 00:53:51 +02:00
parent bd6843444f
commit 0e6803aaa9
1 changed files with 3 additions and 0 deletions
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3
Core/memory.c
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@ -777,6 +777,9 @@ uint8_t GB_read_memory(GB_gameboy_t *gb, uint16_t addr)
if (unlikely(gb->read_memory_callback)) { if (unlikely(gb->read_memory_callback)) {
data = gb->read_memory_callback(gb, addr, data); data = gb->read_memory_callback(gb, addr, data);
} }
/* TODO: this is very naïve due to my lack of a cart that properly handles open-bus scnenarios,
but should be good enough */
if ((addr & 0xE000) != 0xA000 && bus_for_addr(gb, addr) == GB_BUS_MAIN && addr < 0xFF00) { if ((addr & 0xE000) != 0xA000 && bus_for_addr(gb, addr) == GB_BUS_MAIN && addr < 0xFF00) {
gb->data_bus = data; gb->data_bus = data;
} }