git.y1.nz

commit c92a2c21314549a90268314991bc31d6790ac9e6
parent 7a390414ff9e0ebd1023e10d5c6d49562f9c79b9
Author: Lior Halphon <LIJI32@gmail.com>
Date:   Fri,  6 Jan 2023 18:46:58 +0200

Writes affect the data bus too

Diffstat:
M
Core/memory.c
6
++++++

1 file changed, 6 insertions(+), 0 deletions(-)
diff --git a/Core/memory.c b/Core/memory.c
@@ -1736,6 +1736,12 @@ void GB_write_memory(GB_gameboy_t *gb, uint16_t addr, uint8_t value)
     if (unlikely(gb->n_watchpoints)) {
         GB_debugger_test_write_watchpoint(gb, addr, value);
     }
+    if (bus_for_addr(gb, addr) == GB_BUS_MAIN && addr < 0xFF00) {
+        gb->data_bus = value;
+    }
+    else {
+        gb->data_bus = 0xFF;
+    }
     
     if (unlikely(gb->write_memory_callback)) {
         if (!gb->write_memory_callback(gb, addr, value)) return;

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