1 files changed, 3 insertions, 0 deletions
diff --git a/opcode.h b/opcode.h
index 5f952b3..e5fde3d 100644
--- a/opcode.h
+++ b/opcode.h
@@ -64,6 +64,9 @@ struct sux {
 	uint64_t bp; /* Base pointer. */
 	uint64_t r11, r12, r13, r14, r15; /* Registers R11-R15. */;
 	uint64_t clk; /* Number of clock cycles.  */
+	int nmi : 1; /* NMI flag. */
+	int reset : 1; /* Reset flag. */
+	int irq : 1; /* IRQ flag. */
 };
 
 typedef struct op operand;