#include "mapinc.h"\r
\r
static uint16 cmdreg;\r
+static uint8 invalid_data;\r
static SFORMAT StateRegs[]=\r
{\r
- {&cmdreg, 2, "CMDREG"},\r
+ {&invalid_data, 1, "INVD"}, \r
+ {&cmdreg, 2, "CREG"},\r
{0}\r
};\r
\r
\r
static DECLFR(UNL8157Read)\r
{\r
- if(cmdreg&0x100)\r
+ if(invalid_data&&cmdreg&0x100)\r
return 0xFF;\r
else\r
return CartBR(A);\r
setchr8(0);\r
SetWriteHandler(0x8000,0xFFFF,UNL8157Write);\r
SetReadHandler(0x8000,0xFFFF,UNL8157Read);\r
- cmdreg=0;\r
+ cmdreg=0x200;\r
+ invalid_data=1;\r
Sync();\r
}\r
\r
static void UNL8157Reset(void)\r
{\r
cmdreg=0;\r
+ invalid_data^=1;\r
Sync();\r
}\r
\r