diff --git a/src/defc.h b/src/defc.h
index cf619ca..d817191 100644
--- a/src/defc.h
+++ b/src/defc.h
@@ -152,6 +152,7 @@ STRUCT(Fplus) {
 };
 
 STRUCT(Engine_reg) {
+								Fplus *fplus_ptr;
 								double fcycles;
 								word32 kpc;
 								word32 acc;
@@ -164,7 +165,7 @@ STRUCT(Engine_reg) {
 
 								word32 direct;
 								word32 psr;
-								Fplus *fplus_ptr;
+								word32 flags;
 };
 
 STRUCT(Kimage) {
diff --git a/src/defcomm.h b/src/defcomm.h
index 25b44cb..643ae08 100644
--- a/src/defcomm.h
+++ b/src/defcomm.h
@@ -49,17 +49,21 @@
 
 #define BANK_BAD_MEM		(&g_dummy_memory1_ptr[0xff])
 
-
-#define ENGINE_FCYCLES		0x00
-#define ENGINE_REG_KPC		0x08
-#define ENGINE_REG_ACC		0x0c
-#define ENGINE_REG_XREG		0x10
-#define ENGINE_REG_YREG		0x14
-#define ENGINE_REG_STACK	0x18
-#define ENGINE_REG_DBANK	0x1c
-#define ENGINE_REG_DIRECT	0x20
-#define ENGINE_REG_PSR		0x24
-#define ENGINE_FPLUS_PTR	0x28
+/*
+ * this is only relevant for the PA RISC asm.
+ *
+ */
+#define ENGINE_FPLUS_PTR	0x00
+#define ENGINE_FCYCLES		0x08
+#define ENGINE_REG_KPC		0x10
+#define ENGINE_REG_ACC		0x14
+#define ENGINE_REG_XREG		0x18
+#define ENGINE_REG_YREG		0x1c
+#define ENGINE_REG_STACK	0x20
+#define ENGINE_REG_DBANK	0x24
+#define ENGINE_REG_DIRECT	0x28
+#define ENGINE_REG_PSR		0x2c
+#define ENGINE_FLAGS		0x30
 
 #define LOG_PC_DCYCS		0x00
 #define LOG_PC_DBANK_KPC	0x08