X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=boards%2F8157.c;h=ef4255866f34f01e1e64baf202b1f7481995182b;hb=0d6a66c2a80f50ae51327cd406f9df14d99ad02e;hp=3c4a4fb59bdb30be3fa9988707e1c8f915fd6170;hpb=d97315ac0bca825d2d50a44453bc5652946e2c67;p=fceu.git

diff --git a/boards/8157.c b/boards/8157.c
index 3c4a4fb..ef42558 100644
--- a/boards/8157.c
+++ b/boards/8157.c
@@ -21,9 +21,11 @@
 #include "mapinc.h"
 
 static uint16 cmdreg;
+static uint8 invalid_data;
 static SFORMAT StateRegs[]=
 {
-  {&cmdreg, 2, "CMDREG"},
+  {&invalid_data, 1, "INVD"},  
+  {&cmdreg, 2, "CREG"},
   {0}
 };
 
@@ -36,7 +38,7 @@ static void Sync(void)
 
 static DECLFR(UNL8157Read)
 {
-  if(cmdreg&0x100)
+  if(invalid_data&&cmdreg&0x100)
     return 0xFF;
   else
     return CartBR(A);
@@ -53,13 +55,15 @@ static void UNL8157Power(void)
   setchr8(0);
   SetWriteHandler(0x8000,0xFFFF,UNL8157Write);
   SetReadHandler(0x8000,0xFFFF,UNL8157Read);
-  cmdreg=0;
+  cmdreg=0x200;
+  invalid_data=1;
   Sync();
 }
 
 static void UNL8157Reset(void)
 {
   cmdreg=0;
+  invalid_data^=1;
   Sync();
 }