diff options
Diffstat (limited to 'src/mame/drivers/overdriv.cpp')
-rw-r--r-- | src/mame/drivers/overdriv.cpp | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/src/mame/drivers/overdriv.cpp b/src/mame/drivers/overdriv.cpp index 233da503224..5dd5191318b 100644 --- a/src/mame/drivers/overdriv.cpp +++ b/src/mame/drivers/overdriv.cpp @@ -72,12 +72,12 @@ TIMER_DEVICE_CALLBACK_MEMBER(overdriv_state::overdriv_cpuA_scanline) { const int timer_threshold = 168; // fwiw matches 0 on mask ROM check, so IF it's a timer irq then should be close ... int scanline = param; - + m_fake_timer ++; - + // TODO: irqs routines are TOO slow right now, it ends up firing spurious irqs for whatever reason (shared ram fighting?) // this is a temporary solution to get rid of deprecat lib and the crashes, but also makes the game timer to be too slow. - // Update: gameplay is actually too fast compared to timer, first attract mode shouldn't even surpass first blue car on right. + // Update: gameplay is actually too fast compared to timer, first attract mode shouldn't even surpass first blue car on right. if(scanline == 256) // vblank-out irq { // m_screen->frame_number() & 1 @@ -245,7 +245,7 @@ WRITE8_MEMBER(overdriv_state::sound_ack_w) static ADDRESS_MAP_START( overdriv_sound_map, AS_PROGRAM, 8, overdriv_state ) AM_RANGE(0x0000, 0x0000) AM_WRITE(sound_ack_w) // 0x012 read during explosions - // 0x180 + // 0x180 AM_RANGE(0x0200, 0x0201) AM_DEVREADWRITE("ymsnd", ym2151_device,read,write) AM_RANGE(0x0400, 0x042f) AM_DEVREADWRITE("k053260_1", k053260_device, read, write) AM_RANGE(0x0600, 0x062f) AM_DEVREADWRITE("k053260_2", k053260_device, read, write) @@ -320,7 +320,7 @@ static MACHINE_CONFIG_START( overdriv, overdriv_state ) MCFG_CPU_ADD("sub", M68000, XTAL_24MHz/2) /* 12 MHz */ MCFG_CPU_PROGRAM_MAP(overdriv_slave_map) - //MCFG_CPU_VBLANK_INT_DRIVER("screen", overdriv_state, cpuB_interrupt) + //MCFG_CPU_VBLANK_INT_DRIVER("screen", overdriv_state, cpuB_interrupt) /* IRQ 5 and 6 are generated by the main CPU. */ /* IRQ 5 is used only in test mode, to request the checksums of the gfx ROMs. */ |