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taitosj.cpp: Fixed watchdog timing per schematics, and re-enabled watchdog. Bio attack doesn't incorrectly trigger watchdog on death anymore. [Lord Nightmare]

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Lord-Nightmare 2016-09-22 23:48:45 -04:00
parent 20671caf85
commit 82026bbace
1 changed files with 8 additions and 7 deletions
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15
src/mame/drivers/taitosj.cpp
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@ -118,11 +118,11 @@ Address Dir Data Name Description
01001--------01x R/W xxxxxxxx CS5 AY-3-8910 #2
01001--------1-x R/W xxxxxxxx CS5 AY-3-8910 #3
01010---------00 R xxxxxxxx RD5000 read command from main CPU
01010---------00 W -------- WR5000 clear bit 7 of command from main CPU (not used?)
01010---------01 R ----x--- RD5001 command pending from main CPU (not used?)
01010---------01 R -----x-- RD5001 single bit from main CPU (not used?)
01010---------00 W -------- WR5000 clear bit 7 of command from main CPU
01010---------01 R ----x--- RD5001 command pending from main CPU
01010---------01 R -----x-- RD5001 secondary semaphore from main CPU
01010---------01 R ------11 RD5001 always 1
01010---------01 W -------- WR5001 clear single bit from main CPU (not used?)
01010---------01 W -------- WR5001 clear secondary semaphore from main CPU
01010---------10 n.c.
01010---------11 n.c.
111xxxxxxxxxxxxx R xxxxxxxx space for diagnostics ROM? not shown in the schematics
@ -245,7 +245,7 @@ static ADDRESS_MAP_START( taitosj_main_nomcu_map, AS_PROGRAM, 8, taitosj_state )
AM_RANGE(0xd509, 0xd50a) AM_MIRROR(0x00f0) AM_WRITEONLY AM_SHARE("gfxpointer")
AM_RANGE(0xd50b, 0xd50b) AM_MIRROR(0x00f0) AM_WRITE(sound_command_w)
AM_RANGE(0xd50c, 0xd50c) AM_MIRROR(0x00f0) AM_WRITE(sound_semaphore_w)
AM_RANGE(0xd50d, 0xd50d) AM_MIRROR(0x00f0) AM_WRITEONLY /*watchdog_reset_w*/ /* Bio Attack sometimes resets after you die */
AM_RANGE(0xd50d, 0xd50d) AM_MIRROR(0x00f0) AM_DEVWRITE("watchdog", watchdog_timer_device, reset_w)
AM_RANGE(0xd50e, 0xd50e) AM_MIRROR(0x00f0) AM_WRITE(taitosj_bankswitch_w)
AM_RANGE(0xd50f, 0xd50f) AM_MIRROR(0x00f0) AM_WRITENOP
AM_RANGE(0xd600, 0xd600) AM_MIRROR(0x00ff) AM_WRITEONLY AM_SHARE("video_mode")
@ -1822,6 +1822,9 @@ static MACHINE_CONFIG_START( nomcu, taitosj_state )
MCFG_AY8910_PORT_B_WRITE_CB(WRITE8(taitosj_state, taitosj_sndnmi_msk_w)) /* port Bwrite */
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.30)
MCFG_WATCHDOG_ADD("watchdog")
MCFG_WATCHDOG_VBLANK_INIT("screen", 128); // 74LS393 on CPU board, counts 128 vblanks before firing watchdog
MCFG_DAC_ADD("dac")
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.20)
MACHINE_CONFIG_END
@ -1847,8 +1850,6 @@ static MACHINE_CONFIG_DERIVED( kikstart, mcu )
MCFG_CPU_MODIFY("maincpu")
MCFG_CPU_PROGRAM_MAP(kikstart_main_map)
MCFG_WATCHDOG_ADD("watchdog")
MCFG_SCREEN_MODIFY("screen")
MCFG_SCREEN_UPDATE_DRIVER(taitosj_state, screen_update_kikstart)
MACHINE_CONFIG_END