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author angelosa <salese_corp_ltd@email.it>2017-10-20 05:53:54 +0200
committer angelosa <salese_corp_ltd@email.it>2017-10-20 05:54:43 +0200
commit3dbe938e2d3ec51da9280e14fc0a1e2a0cc0029e (patch)
tree8633729f7ec77f57ffac08bb22e551042cbf13d8
parentb4d844f5dc88394cf83380cb094878c2bc1c5013 (diff)
taito_z.cpp: saner interleave CPU timings for Double Axle, attempt to fix road layer getting stuck on continue [Angelo Salese]
-rw-r--r--src/mame/drivers/taito_z.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/mame/drivers/taito_z.cpp b/src/mame/drivers/taito_z.cpp
index 718880f5a2f..6005149aba5 100644
--- a/src/mame/drivers/taito_z.cpp
+++ b/src/mame/drivers/taito_z.cpp
@@ -3588,7 +3588,8 @@ static MACHINE_CONFIG_START( dblaxle )
MCFG_MACHINE_START_OVERRIDE(taitoz_state,taitoz)
MCFG_MACHINE_RESET_OVERRIDE(taitoz_state,taitoz)
- MCFG_QUANTUM_TIME(attotime::from_hz(600))
+ // make quantum time to be a multiple of the xtal (fixes road layer stuck on continue)
+ MCFG_QUANTUM_TIME(attotime::from_hz(XTAL_32MHz/1024))
MCFG_DEVICE_ADD("tc0510nio", TC0510NIO, 0)
MCFG_TC0510NIO_READ_0_CB(IOPORT("DSWA"))