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Diffstat (limited to 'src/mame/drivers/groundfx.cpp')
-rw-r--r-- | src/mame/drivers/groundfx.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mame/drivers/groundfx.cpp b/src/mame/drivers/groundfx.cpp index 7a43f78930b..a9d95e2a663 100644 --- a/src/mame/drivers/groundfx.cpp +++ b/src/mame/drivers/groundfx.cpp @@ -246,8 +246,8 @@ MACHINE_CONFIG_START(groundfx_state::groundfx) MCFG_DEVICE_ADD("adc", ADC0809, 500000) // unknown clock MCFG_ADC0808_EOC_FF_CB(INPUTLINE("maincpu", 5)) - MCFG_ADC0808_IN0_CB(NOOP) // unknown - MCFG_ADC0808_IN1_CB(NOOP) // unknown (used to be labeled 'volume' - but doesn't seem to affect it + MCFG_ADC0808_IN0_CB(CONSTANT(0)) // unknown + MCFG_ADC0808_IN1_CB(CONSTANT(0)) // unknown (used to be labeled 'volume' - but doesn't seem to affect it MCFG_ADC0808_IN2_CB(IOPORT("WHEEL")) MCFG_ADC0808_IN3_CB(IOPORT("ACCEL")) |