o add custom chip for mmio

2009-05-17 08:48:44 -07:00
parent c66828729f
commit 1075795ef4
12 changed files with 541 additions and 280 deletions
--- a/tools/bsnes/cpu/scpu/mmio/mmio.cpp
+++ b/tools/bsnes/cpu/scpu/mmio/mmio.cpp
@@ -483,6 +483,14 @@ void sCPU::mmio_write(unsigned addr, uint8 data) {
    port_write(addr & 3, data);
    return;
  }
+  printf("sCPU::mmio_write 0x%x 0x%x",addr,data);
+  
+  /*custom area*/
+  if((addr & 0xff00) == 0x3000) { //$3000-$30ff
+    printf("sCPU::mmio_write 0x%x 0x%x",addr,data);
+    return;
+  }
+

  //DMA
  if((addr & 0xff80) == 0x4300) { //$4300-$437f