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tweak music tempo

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http://mametesters.org/view.php?id=5562
This commit is contained in:
Michaël Banaan Ananas 2014-06-21 12:36:11 +00:00
parent 6d1b275a46
commit 044922754a
1 changed files with 6 additions and 4 deletions
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10
src/mame/drivers/lwings.c
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@ -12,6 +12,8 @@ To Do:
increment twice per coin. increment twice per coin.
- clean up Avengers protection; it currently checks against hard-coded program - clean up Avengers protection; it currently checks against hard-coded program
counter rather than behaving as a memory-mapped black box. counter rather than behaving as a memory-mapped black box.
- accurate music tempo (audiocpu irq freq)
- accurate video timing, raw params
Change Log: Change Log:
@ -765,8 +767,7 @@ static MACHINE_CONFIG_START( lwings, lwings_state )
MCFG_CPU_ADD("soundcpu", Z80, XTAL_12MHz/4) /* verified on PCB */ MCFG_CPU_ADD("soundcpu", Z80, XTAL_12MHz/4) /* verified on PCB */
MCFG_CPU_PROGRAM_MAP(lwings_sound_map) MCFG_CPU_PROGRAM_MAP(lwings_sound_map)
MCFG_CPU_PERIODIC_INT_DRIVER(lwings_state, irq0_line_hold, 4*60) /* ??? */ MCFG_CPU_PERIODIC_INT_DRIVER(lwings_state, irq0_line_hold, 222) // approximation from pcb music recording - where is the frequency actually derived from??
/* video hardware */ /* video hardware */
MCFG_BUFFERED_SPRITERAM8_ADD("spriteram") MCFG_BUFFERED_SPRITERAM8_ADD("spriteram")
@ -803,9 +804,9 @@ MACHINE_CONFIG_END
static MACHINE_CONFIG_DERIVED( trojan, lwings ) static MACHINE_CONFIG_DERIVED( trojan, lwings )
/* basic machine hardware */
MCFG_CPU_MODIFY("maincpu") MCFG_CPU_MODIFY("maincpu")
MCFG_CPU_CLOCK(XTAL_12MHz/4) /* verified on PCB */ MCFG_CPU_CLOCK(XTAL_12MHz/4) /* verified on PCB */
MCFG_CPU_PROGRAM_MAP(trojan_map) MCFG_CPU_PROGRAM_MAP(trojan_map)
MCFG_CPU_MODIFY("soundcpu") MCFG_CPU_MODIFY("soundcpu")
@ -831,7 +832,8 @@ MACHINE_CONFIG_END
static MACHINE_CONFIG_DERIVED( avengers, trojan ) static MACHINE_CONFIG_DERIVED( avengers, trojan )
MCFG_CPU_MODIFY("maincpu") //AT: (avengers37b16gre) /* basic machine hardware */
MCFG_CPU_MODIFY("maincpu")
MCFG_CPU_PROGRAM_MAP(avengers_map) MCFG_CPU_PROGRAM_MAP(avengers_map)
MCFG_CPU_VBLANK_INT_DRIVER("screen", lwings_state, avengers_interrupt) // RST 38h triggered by software MCFG_CPU_VBLANK_INT_DRIVER("screen", lwings_state, avengers_interrupt) // RST 38h triggered by software