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merged CPU0 and 1 memory maps in flower, improved interrupt generation, fix for 01472

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davidhay 2008-07-19 12:03:31 +00:00
parent b7ddbe7da4
commit d7715eee0d
1 changed files with 22 additions and 27 deletions
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49
src/mame/drivers/flower.c
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@ -85,40 +85,30 @@ static WRITE8_HANDLER( sound_command_w )
cpunum_set_input_line(machine, 2, INPUT_LINE_NMI, PULSE_LINE);
}
static ADDRESS_MAP_START( flower_cpu1, ADDRESS_SPACE_PROGRAM, 8 )
static ADDRESS_MAP_START( flower_cpu1_2, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x0000, 0x7fff) AM_ROM
AM_RANGE(0xa000, 0xa000) AM_WRITENOP //watchdog?
AM_RANGE(0xa001, 0xa001) AM_WRITE(flower_flipscreen_w)
AM_RANGE(0xa002, 0xa002) AM_WRITE(flower_irq_ack) //irq ack / enable, maybe?
AM_RANGE(0xa004, 0xa004) AM_WRITENOP //nmi enable (routine is empty)
AM_RANGE(0xa102, 0xa102) AM_READ(input_port_0_r)
AM_RANGE(0xa103, 0xa103) AM_READ(input_port_1_r)
AM_RANGE(0xc000, 0xddff) AM_RAM AM_SHARE(1)
AM_RANGE(0xde00, 0xdfff) AM_RAM AM_SHARE(2) AM_BASE(&spriteram)
AM_RANGE(0xe000, 0xe7ff) AM_RAM_WRITE(flower_textram_w) AM_SHARE(3) AM_BASE(&flower_textram)
AM_RANGE(0xe000, 0xefff) AM_RAM //only cleared?
AM_RANGE(0xf000, 0xf1ff) AM_RAM_WRITE(flower_bg0ram_w) AM_SHARE(4) AM_BASE(&flower_bg0ram)
AM_RANGE(0xf200, 0xf200) AM_RAM AM_SHARE(5) AM_BASE(&flower_bg0_scroll)
AM_RANGE(0xf800, 0xf9ff) AM_RAM_WRITE(flower_bg1ram_w) AM_SHARE(6) AM_BASE(&flower_bg1ram)
AM_RANGE(0xfa00, 0xfa00) AM_RAM AM_SHARE(7) AM_BASE(&flower_bg1_scroll)
ADDRESS_MAP_END
static ADDRESS_MAP_START( flower_cpu2, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x0000, 0x7fff) AM_ROM
AM_RANGE(0xa003, 0xa003) AM_WRITENOP //irq enable
AM_RANGE(0xa005, 0xa005) AM_WRITENOP //nmi enable (routine is empty)
AM_RANGE(0xa004, 0xa004) AM_WRITENOP //nmi enable (routine is empty)
AM_RANGE(0xa100, 0xa100) AM_READ(input_port_2_r)
AM_RANGE(0xa101, 0xa101) AM_READ(input_port_3_r)
AM_RANGE(0xa102, 0xa102) AM_READ(input_port_0_r)
AM_RANGE(0xa103, 0xa103) AM_READ(input_port_1_r)
AM_RANGE(0xa400, 0xa400) AM_WRITE(sound_command_w)
AM_RANGE(0xc000, 0xddff) AM_RAM AM_SHARE(1)
AM_RANGE(0xde00, 0xdfff) AM_RAM AM_SHARE(2)
AM_RANGE(0xe000, 0xe7ff) AM_RAM_WRITE(flower_textram_w) AM_SHARE(3)
AM_RANGE(0xf000, 0xf1ff) AM_RAM_WRITE(flower_bg0ram_w) AM_SHARE(4)
AM_RANGE(0xf200, 0xf200) AM_RAM AM_SHARE(5)
AM_RANGE(0xf800, 0xf9ff) AM_RAM_WRITE(flower_bg1ram_w) AM_SHARE(6)
AM_RANGE(0xfa00, 0xfa00) AM_RAM AM_SHARE(7)
AM_RANGE(0xc000, 0xddff) AM_SHARE(1) AM_RAM
AM_RANGE(0xde00, 0xdfff) AM_SHARE(2) AM_RAM AM_BASE(&spriteram)
AM_RANGE(0xe000, 0xe7ff) AM_SHARE(3) AM_RAM_WRITE(flower_textram_w) AM_BASE(&flower_textram)
AM_RANGE(0xe000, 0xefff) AM_SHARE(4) AM_RAM //only cleared?
AM_RANGE(0xf000, 0xf1ff) AM_SHARE(5) AM_RAM_WRITE(flower_bg0ram_w) AM_BASE(&flower_bg0ram)
AM_RANGE(0xf200, 0xf200) AM_SHARE(6) AM_RAM AM_BASE(&flower_bg0_scroll)
AM_RANGE(0xf800, 0xf9ff) AM_SHARE(7) AM_RAM_WRITE(flower_bg1ram_w) AM_BASE(&flower_bg1ram)
AM_RANGE(0xfa00, 0xfa00) AM_SHARE(8) AM_RAM AM_BASE(&flower_bg1_scroll)
ADDRESS_MAP_END
static ADDRESS_MAP_START( flower_sound_cpu, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x0000, 0x3fff) AM_ROM
AM_RANGE(0x4000, 0x4000) AM_WRITE(sn_irq_enable_w) AM_BASE(&sn_irq_enable)
@ -230,16 +220,21 @@ static const struct CustomSound_interface custom_interface =
flower_sh_start
};
static INTERRUPT_GEN( flower_cpu0_interrupt )
{
cpunum_set_input_line(machine, 0, 0, ASSERT_LINE);
}
static MACHINE_DRIVER_START( flower )
/* basic machine hardware */
MDRV_CPU_ADD("main", Z80,8000000)
MDRV_CPU_PROGRAM_MAP(flower_cpu1,0)
MDRV_CPU_VBLANK_INT_HACK(irq0_line_hold,10)
// MDRV_CPU_VBLANK_INT("main", nmi_line_pulse) //nmis stuff up the writes to shared ram
MDRV_CPU_PROGRAM_MAP(flower_cpu1_2,0)
// MDRV_CPU_VBLANK_INT_HACK(flower_cpu0_interrupt,10)
MDRV_CPU_VBLANK_INT("main", flower_cpu0_interrupt) //nmis stuff up the writes to shared ram
MDRV_CPU_ADD("sub", Z80,8000000)
MDRV_CPU_PROGRAM_MAP(flower_cpu2,0)
MDRV_CPU_PROGRAM_MAP(flower_cpu1_2,0)
MDRV_CPU_VBLANK_INT("main", irq0_line_hold)
// MDRV_CPU_VBLANK_INT("main", nmi_line_pulse)