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segas16b: added QUANTUM_TIME for games with 8751, this gets rid of sprite lag in goldnaxe, altbeast (nw)

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hap 2018-11-21 17:46:07 +01:00
parent 18980024ed
commit 547e7f53be
1 changed files with 2 additions and 4 deletions
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6
src/mame/drivers/segas16b.cpp
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@ -896,10 +896,6 @@ S11 S13 S15 S17 |EPR12194 - - - EPR12195 - -
// requests // requests
//------------------------------------------------- //-------------------------------------------------
void segas16b_state::memory_mapper(sega_315_5195_mapper_device &mapper, uint8_t index) void segas16b_state::memory_mapper(sega_315_5195_mapper_device &mapper, uint8_t index)
{ {
switch (index) switch (index)
@ -3809,6 +3805,8 @@ MACHINE_CONFIG_START(segas16b_state::system16b_i8751)
MCFG_MCS51_PORT_P1_IN_CB(IOPORT("SERVICE")) MCFG_MCS51_PORT_P1_IN_CB(IOPORT("SERVICE"))
MCFG_MCS51_PORT_P1_OUT_CB(WRITE8(*this, segas16b_state, spin_68k_w)) MCFG_MCS51_PORT_P1_OUT_CB(WRITE8(*this, segas16b_state, spin_68k_w))
MCFG_QUANTUM_TIME(attotime::from_hz(6000))
MCFG_SCREEN_MODIFY("screen") MCFG_SCREEN_MODIFY("screen")
MCFG_SCREEN_VBLANK_CALLBACK(INPUTLINE("mcu", INPUT_LINE_IRQ0)) MCFG_SCREEN_VBLANK_CALLBACK(INPUTLINE("mcu", INPUT_LINE_IRQ0))
MACHINE_CONFIG_END MACHINE_CONFIG_END