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05373: capbowl3, capbowl4: Black screen after starting game [Phil Bennett]

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Phil Bennett 2013-11-19 13:51:47 +00:00
parent 5855777fd2
commit a59138a259
2 changed files with 4 additions and 21 deletions
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23
src/mame/drivers/capbowl.c
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@ -214,22 +214,6 @@ WRITE_LINE_MEMBER(capbowl_state::firqhandler)
/*************************************
*
* NVRAM
*
*************************************/
void capbowl_state::init_nvram(nvram_device &nvram, void *base, size_t size)
{
/* invalidate nvram to make the game initialize it.
A 0xff fill will cause the game to malfunction, so we use a
0x01 fill which seems OK */
memset(base, 0x01, size);
}
/*************************************
*
* Main CPU memory handlers
@ -243,7 +227,7 @@ static ADDRESS_MAP_START( capbowl_map, AS_PROGRAM, 8, capbowl_state )
AM_RANGE(0x5000, 0x57ff) AM_RAM AM_SHARE("nvram")
AM_RANGE(0x5800, 0x5fff) AM_READWRITE(capbowl_tms34061_r, capbowl_tms34061_w)
AM_RANGE(0x6000, 0x6000) AM_WRITE(capbowl_sndcmd_w)
AM_RANGE(0x6800, 0x6800) AM_WRITE(track_reset_w) /* + watchdog */
AM_RANGE(0x6800, 0x6800) AM_WRITE(track_reset_w) AM_READNOP /* + watchdog */
AM_RANGE(0x7000, 0x7000) AM_READ(track_0_r) /* + other inputs */
AM_RANGE(0x7800, 0x7800) AM_READ(track_1_r) /* + other inputs */
AM_RANGE(0x8000, 0xffff) AM_ROM
@ -256,7 +240,7 @@ static ADDRESS_MAP_START( bowlrama_map, AS_PROGRAM, 8, capbowl_state )
AM_RANGE(0x5000, 0x57ff) AM_RAM AM_SHARE("nvram")
AM_RANGE(0x5800, 0x5fff) AM_READWRITE(capbowl_tms34061_r, capbowl_tms34061_w)
AM_RANGE(0x6000, 0x6000) AM_WRITE(capbowl_sndcmd_w)
AM_RANGE(0x6800, 0x6800) AM_WRITE(track_reset_w) /* + watchdog */
AM_RANGE(0x6800, 0x6800) AM_WRITE(track_reset_w) AM_READNOP /* + watchdog */
AM_RANGE(0x7000, 0x7000) AM_READ(track_0_r) /* + other inputs */
AM_RANGE(0x7800, 0x7800) AM_READ(track_1_r) /* + other inputs */
AM_RANGE(0x8000, 0xffff) AM_ROM
@ -384,11 +368,12 @@ static MACHINE_CONFIG_START( capbowl, capbowl_state )
MCFG_CPU_ADD("maincpu", M6809E, MASTER_CLOCK)
MCFG_CPU_PROGRAM_MAP(capbowl_map)
MCFG_CPU_VBLANK_INT_DRIVER("screen", capbowl_state, capbowl_interrupt)
MCFG_WATCHDOG_VBLANK_INIT(8) // Unverified
MCFG_CPU_ADD("audiocpu", M6809E, MASTER_CLOCK)
MCFG_CPU_PROGRAM_MAP(sound_map)
MCFG_NVRAM_ADD_CUSTOM_DRIVER("nvram", capbowl_state, init_nvram)
MCFG_NVRAM_ADD_RANDOM_FILL("nvram")
MCFG_TICKET_DISPENSER_ADD("ticket", attotime::from_msec(100), TICKET_MOTOR_ACTIVE_HIGH, TICKET_STATUS_ACTIVE_LOW)

2
src/mame/includes/capbowl.h
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@ -22,8 +22,6 @@ public:
m_audiocpu(*this, "audiocpu"),
m_tms34061(*this, "tms34061") { }
void init_nvram(nvram_device &nvram, void *base, size_t size);
/* memory pointers */
required_shared_ptr<UINT8> m_rowaddress;