--- previous/src/ioMem.c	2018/04/24 19:25:38	1.1.1.2
+++ previous/src/ioMem.c	2018/04/24 19:27:38	1.1.1.3
@@ -384,7 +384,8 @@ void IoMem_lput(uaecptr addr, uae_u32 va
 void IoMem_BusErrorEvenReadAccess(void)
 {
 	nBusErrorAccesses += 1;
-	IoMem[IoAccessCurrentAddress& IO_SEG_MASK] = 0xff;
+	// IoMem[IoAccessCurrentAddress& IO_SEG_MASK] = 0xff;
+	Log_Printf(LOG_WARN,"Bus error $%08x PC=$%08x %s at %d", IoAccessCurrentAddress,regs.pc,__FILE__,__LINE__);
 }
 
 /**
@@ -394,7 +395,8 @@ void IoMem_BusErrorEvenReadAccess(void)
 void IoMem_BusErrorOddReadAccess(void)
 {
 	nBusErrorAccesses += 1;
-	IoMem[IoAccessCurrentAddress& IO_SEG_MASK] = 0xff;
+	// IoMem[IoAccessCurrentAddress& IO_SEG_MASK] = 0xff;
+	Log_Printf(LOG_WARN,"Bus error $%08x PC=$%08x %s at %d", IoAccessCurrentAddress,regs.pc,__FILE__,__LINE__);
 }
 
 /*-------------------------------------------------------------------------*/
@@ -404,6 +406,7 @@ void IoMem_BusErrorOddReadAccess(void)
 void IoMem_BusErrorEvenWriteAccess(void)
 {
 	nBusErrorAccesses += 1;
+	Log_Printf(LOG_WARN,"Bus error $%08x PC=$%08x %s at %d", IoAccessCurrentAddress,regs.pc,__FILE__,__LINE__);
 }
 
 /**
@@ -413,6 +416,7 @@ void IoMem_BusErrorEvenWriteAccess(void)
 void IoMem_BusErrorOddWriteAccess(void)
 {
 	nBusErrorAccesses += 1;
+	Log_Printf(LOG_WARN,"Bus error $%08x PC=$%08x %s at %d", IoAccessCurrentAddress,regs.pc,__FILE__,__LINE__);
 }
 
 
@@ -434,26 +438,7 @@ void IoMem_VoidRead(void)
 			IoMem[a & IO_SEG_MASK] = 0xff;
 		}
 	}
-}
-
-/*-------------------------------------------------------------------------*/
-/**
- * This is the same function as IoMem_VoidRead, but for IO registers that
- * return 0x00 instead of 0xff when read (this is the case for some video
- * registers on STE, Falcon, ...)
- */
-void IoMem_VoidRead_00(void)
-{
-    Uint32 a;
-
-    /* handler is probably called only once, so we have to take care of the neighbour "void IO registers" */
-    for (a = IoAccessBaseAddress; a < IoAccessBaseAddress + nIoMemAccessSize; a++)
-    {
-        if (pInterceptReadTable[a - 0xff8000] == IoMem_VoidRead_00)
-        {
-            IoMem[a] = 0x00;
-        }
-    }
+	Log_Printf(LOG_WARN,"IO read at $%08x PC=$%08x\n", IoAccessCurrentAddress,regs.pc);
 }
 
 /*-------------------------------------------------------------------------*/
@@ -465,6 +450,7 @@ void IoMem_VoidRead_00(void)
 void IoMem_VoidWrite(void)
 {
 	/* Nothing... */
+	Log_Printf(LOG_WARN,"IO write at $%08x PC=$%08x\n", IoAccessCurrentAddress,regs.pc);
 }