z80 is alive

[mdlife] / src / hwregs.h

diff --git a/src/hwregs.h b/src/hwregs.h
index 2ab7591..22aec5d 100644 (file)
--- a/src/hwregs.h
+++ b/src/hwregs.h
@@ -44,7 +44,7 @@
 #define Z80_MEMMODE                    REG16PTR(0xa11000)
 #define Z80_BUSREQ                     REG16PTR(0xa11100)
 #define Z80_RESET                      REG16PTR(0xa11200)
-#define Z80_MEM                                ((uint8_t*)0xa00000)
+#define Z80_MEM                                ((volatile uint8_t*)0xa00000)
 
 #define VDP_DATA               REG16PTR(VDP_DATA_PORT)
 #define VDP_CTL                        REG16PTR(VDP_CTL_PORT)