1 files changed, 2 insertions, 0 deletions
diff --git a/src/vcpu.h b/src/vcpu.h
index 33a1492..bd4d2d5 100644
--- a/src/vcpu.h
+++ b/src/vcpu.h
@@ -1,5 +1,7 @@
 #pragma once
 
+#define REG_FLAG 0xF
+
 typedef struct VCPU_State {
   // Program Counter (16 bits but only 12 bits used (4096 memory addresses))
   unsigned short PC;