X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Ftiming.h;h=28f906eb3685b0add8c25046eb0c25da86b3b9f1;hb=f51c96856129613e8aefd07a777dc59812ded4c7;hp=1be633ada402997daf8561aa30e28e10426e0a83;hpb=d1485d7c8a16bf3dd7601bbf6016998eb28bf989;p=stargem2

diff --git a/src/timing.h b/src/timing.h
index 1be633a..28f906e 100755
--- a/src/timing.h
+++ b/src/timing.h
@@ -16,8 +16,21 @@
 //#define M68K_CYCLE_IN_USEC     (RISC_CYCLE_IN_USEC * 2)
 //#define HORIZ_PERIOD_IN_USEC   63.5555
 //#define M6502_CYCLE_IN_USEC      0.9765625
-#define M6808_CYCLE_IN_USEC      0.9765625
-#define M6809_CYCLE_IN_USEC      1.0
+
+//#define MASTER_CLOCK		(12000000)
+//#define SOUND_CLOCK			(3579000)
+//	MDRV_CPU_ADD("maincpu", M6809, MASTER_CLOCK/3/4)
+//	MDRV_CPU_PROGRAM_MAP(defender_map)
+//	MDRV_CPU_ADD("soundcpu", M6808, SOUND_CLOCK)
+//	MDRV_CPU_PROGRAM_MAP(defender_sound_map)
+
+#define M6808_CLOCK_SPEED_IN_HZ		(3579000.0 / 4.0)
+#define M6809_CLOCK_SPEED_IN_HZ		(1000000.0)
+
+// Actually, it's 1.1176306230790722 usec
+//#define M6808_CYCLE_IN_USEC      (0.9765625)
+#define M6808_CYCLE_IN_USEC		(1000000.0 / M6808_CLOCK_SPEEK_IN_HZ)
+#define M6809_CYCLE_IN_USEC		(1000000.0 / M6809_CLOCK_SPEED_IN_HZ)
 
 //#define USEC_TO_RISC_CYCLES(u) (uint32)(((u) / RISC_CYCLE_IN_USEC) + 0.5)
 //#define USEC_TO_M68K_CYCLES(u) (uint32)(((u) / M68K_CYCLE_IN_USEC) + 0.5)