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Diffstat (limited to 'src/mame/drivers/cchasm.cpp')
-rw-r--r--src/mame/drivers/cchasm.cpp6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/mame/drivers/cchasm.cpp b/src/mame/drivers/cchasm.cpp
index 2d1617e9c4f..0b407e256ca 100644
--- a/src/mame/drivers/cchasm.cpp
+++ b/src/mame/drivers/cchasm.cpp
@@ -194,9 +194,9 @@ MACHINE_CONFIG_START(cchasm_state::cchasm)
MCFG_SOUND_ROUTE(0, "dac2", 1.0, DAC_VREF_POS_INPUT)
/* 6840 PTM */
- MCFG_DEVICE_ADD("6840ptm", PTM6840, CCHASM_68K_CLOCK/10)
- MCFG_PTM6840_EXTERNAL_CLOCKS(0, (CCHASM_68K_CLOCK / 10).value(), 0)
- MCFG_PTM6840_IRQ_CB(INPUTLINE("maincpu", 4))
+ ptm6840_device &ptm(PTM6840(config, "6840ptm", CCHASM_68K_CLOCK/10));
+ ptm.set_external_clocks(0, (CCHASM_68K_CLOCK / 10).value(), 0);
+ ptm.irq_callback().set_inputline("maincpu", 4);
MACHINE_CONFIG_END