diff -Naur fbalpha-bad/src/cpu/sh2/sh2.cpp fbalpha-good/src/cpu/sh2/sh2.cpp
--- fbalpha-bad/src/cpu/sh2/sh2.cpp	2017-12-21 10:15:32.054963204 +0100
+++ fbalpha-good/src/cpu/sh2/sh2.cpp	2017-12-21 10:17:07.152962297 +0100
@@ -3532,10 +3532,9 @@

 		for (int i = 0; i < 1 /*nCPUCount*/; i++) {
 			szText[5] = '1' + i;
-			ScanVar(& ( Sh2Ext[i].sh2 ), sizeof(SH2) - 4, szText);
+			ScanVar(& ( Sh2Ext[i].sh2 ), offsetof(SH2, irq_callback), szText);

 			SCAN_VAR (Sh2Ext[i].suspend);
-			SCAN_VAR (Sh2Ext[i].opbase);

 #if FAST_OP_FETCH
 			//	Sh2Ext[i].opbase