--- a/z80_to_x86.h	Fri Jun 20 07:57:32 2014 -0700
+++ b/z80_to_x86.h	Sat Jun 21 09:36:15 2014 -0700
@@ -56,6 +56,8 @@
 	uint8_t           ram_code_flags[(8 * 1024)/128/8];
 	uint32_t          int_enable_cycle;
 	uint16_t          pc;
+	uint32_t          int_pulse_start;
+	uint32_t          int_pulse_end;
 	uint8_t           breakpoint_flags[(16 * 1024)/sizeof(uint8_t)];
 	uint8_t *         bp_handler;
 	uint8_t *         bp_stub;