diff options
Diffstat (limited to 'src/mame/audio/copsnrob.cpp')
-rw-r--r-- | src/mame/audio/copsnrob.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/mame/audio/copsnrob.cpp b/src/mame/audio/copsnrob.cpp index 162e263da91..eaee183f1bc 100644 --- a/src/mame/audio/copsnrob.cpp +++ b/src/mame/audio/copsnrob.cpp @@ -628,7 +628,7 @@ DISCRETE_SOUND_START(copsnrob) ************************************************/ DISCRETE_CUSTOM1(COPSNROB_NOISE_1, copsnrob_custom_noise, /* IC J2, pin 10 */ COPSNROB_2V, /* CLK */ - NULL) + nullptr) /* COPSNROB_NOISE_2 derived from sub out of above custom module - IC J2, pin 11 */ /* We use the measured 555 timer frequency (IC M3) for speed */ DISCRETE_COUNTER(NODE_40, /* IC L2 */ @@ -656,12 +656,12 @@ DISCRETE_SOUND_START(copsnrob) /* We can ignore R47 & R48 */ COPSNROB_ZINGS_INV, /* IC D3, pin 6 */ COPSNROB_R38, COPSNROB_C19, - NULL) + nullptr) DISCRETE_CUSTOM5(NODE_61, copsnrob_zings_555_astable, /* IC D3, pin 8 & 12 */ NODE_60, /* IC D3, pin 10 */ COPSNROB_R36, COPSNROB_R37, COPSNROB_C3, COPSNROB_C13, - NULL) + nullptr) /* FIX - do a better implemetation of IC L4 */ DISCRETE_CRFILTER_VREF(NODE_62, /* IC L4, pin 9 */ NODE_61, /* IN0 */ |