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bublbobl.cpp: Fix for sets with no MCU (nw)

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This commit is contained in:
AJR 2017-09-29 17:49:39 -04:00
parent db001e1f5f
commit 3603b85686
1 changed files with 11 additions and 12 deletions
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23
src/mame/drivers/bublbobl.cpp
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@ -947,12 +947,11 @@ MACHINE_RESET_MEMBER(bublbobl_state,bublbobl)
m_port4_out = 0;
}
static MACHINE_CONFIG_START( bublbobl )
static MACHINE_CONFIG_START( bublbobl_nomcu )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", Z80, MAIN_XTAL/4) // 6 MHz
MCFG_CPU_PROGRAM_MAP(bublbobl_maincpu_map)
// IRQs are triggered by the MCU
MCFG_CPU_ADD("subcpu", Z80, MAIN_XTAL/4) // 6 MHz
MCFG_CPU_PROGRAM_MAP(subcpu_map)
@ -961,9 +960,6 @@ static MACHINE_CONFIG_START( bublbobl )
MCFG_CPU_ADD("audiocpu", Z80, MAIN_XTAL/8) // 3 MHz
MCFG_CPU_PROGRAM_MAP(sound_map) // IRQs are triggered by the YM2203
MCFG_CPU_ADD("mcu", M6801, XTAL_4MHz) // actually 6801U4 - xtal is 4MHz, divided by 4 internally
MCFG_CPU_PROGRAM_MAP(mcu_map)
MCFG_QUANTUM_TIME(attotime::from_hz(6000)) // 100 CPU slices per frame - a high value to ensure proper synchronization of the CPUs
MCFG_WATCHDOG_ADD("watchdog")
@ -977,7 +973,6 @@ static MACHINE_CONFIG_START( bublbobl )
MCFG_SCREEN_RAW_PARAMS(MAIN_XTAL/4, 384, 0, 256, 264, 16, 240)
MCFG_SCREEN_UPDATE_DRIVER(bublbobl_state, screen_update_bublbobl)
MCFG_SCREEN_PALETTE("palette")
MCFG_SCREEN_VBLANK_CALLBACK(INPUTLINE("mcu", M6801_IRQ_LINE)) // same clock latches the INT pin on the second Z80
MCFG_GFXDECODE_ADD("gfxdecode", "palette", bublbobl)
MCFG_PALETTE_ADD("palette", 256)
@ -1007,6 +1002,14 @@ static MACHINE_CONFIG_START( bublbobl )
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
MACHINE_CONFIG_END
static MACHINE_CONFIG_DERIVED( bublbobl, bublbobl_nomcu )
MCFG_CPU_ADD("mcu", M6801, XTAL_4MHz) // actually 6801U4 - xtal is 4MHz, divided by 4 internally
MCFG_CPU_PROGRAM_MAP(mcu_map)
MCFG_SCREEN_MODIFY("screen")
MCFG_SCREEN_VBLANK_CALLBACK(INPUTLINE("mcu", M6801_IRQ_LINE)) // same clock latches the INT pin on the second Z80
MACHINE_CONFIG_END
MACHINE_START_MEMBER(bublbobl_state,boblbobl)
{
MACHINE_START_CALL_MEMBER(common);
@ -1024,7 +1027,7 @@ MACHINE_RESET_MEMBER(bublbobl_state,boblbobl)
m_ic43_b = 0;
}
static MACHINE_CONFIG_DERIVED( boblbobl, bublbobl )
static MACHINE_CONFIG_DERIVED( boblbobl, bublbobl_nomcu )
/* basic machine hardware */
MCFG_CPU_MODIFY("maincpu")
@ -1033,8 +1036,6 @@ static MACHINE_CONFIG_DERIVED( boblbobl, bublbobl )
MCFG_MACHINE_START_OVERRIDE(bublbobl_state, boblbobl)
MCFG_MACHINE_RESET_OVERRIDE(bublbobl_state, boblbobl)
MCFG_DEVICE_REMOVE("mcu")
MACHINE_CONFIG_END
@ -1060,11 +1061,9 @@ MACHINE_RESET_MEMBER(bub68705_state, bub68705)
m_latch = 0;
}
static MACHINE_CONFIG_DERIVED( bub68705, bublbobl )
static MACHINE_CONFIG_DERIVED( bub68705, bublbobl_nomcu )
/* basic machine hardware */
MCFG_DEVICE_REMOVE("mcu")
MCFG_CPU_ADD("mcu", M68705P3, XTAL_4MHz) // xtal is 4MHz, divided by 4 internally
MCFG_M68705_PORTC_R_CB(IOPORT("IN0"))
MCFG_M68705_PORTA_W_CB(WRITE8(bub68705_state, port_a_w))