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Fixed MT 03482. [M.A.S.H., Couriersud]

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Changed hunchbkg to use all galaxian hardware memory i/o and interrupt and vblank logic. [Couriersud]
This commit is contained in:
Couriersud 2010-05-13 10:52:11 +00:00
parent 0c62bdc768
commit 6821949f51
3 changed files with 37 additions and 28 deletions
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42
src/mame/drivers/galaxold.c
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@ -796,23 +796,26 @@ static ADDRESS_MAP_START( harem_cpu2_io, ADDRESS_SPACE_IO, 8 )
AM_RANGE(0x80, 0x80) AM_READ(soundlatch_r)
ADDRESS_MAP_END
static ADDRESS_MAP_START( hunchbkg, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x0000, 0x0fff) AM_ROM
AM_RANGE(0x1480, 0x14bf) AM_MIRROR(0x6000) AM_RAM_WRITE(galaxold_attributesram_w) AM_BASE(&galaxold_attributesram)
AM_RANGE(0x14c0, 0x14ff) AM_MIRROR(0x6000) AM_WRITEONLY AM_BASE(&galaxold_spriteram) AM_SIZE(&galaxold_spriteram_size)
AM_RANGE(0x1500, 0x1500) AM_MIRROR(0x6000) AM_READ_PORT("IN0")
AM_RANGE(0x1500, 0x1501) AM_MIRROR(0x6000) AM_WRITE(galaxold_leds_w) /* not connected ... */
AM_RANGE(0x1502, 0x1502) AM_MIRROR(0x6000) AM_WRITE(galaxold_coin_lockout_w) /* not connected ... */
AM_RANGE(0x1503, 0x1503) AM_MIRROR(0x6000) AM_WRITE(galaxold_coin_counter_w)
AM_RANGE(0x1504, 0x1507) AM_MIRROR(0x6000) AM_DEVWRITE(GAL_AUDIO, galaxian_lfo_freq_w)
AM_RANGE(0x1580, 0x1580) AM_MIRROR(0x6000) AM_READ_PORT("IN1")
AM_RANGE(0x1580, 0x1582) AM_MIRROR(0x6000) AM_DEVWRITE(GAL_AUDIO, galaxian_background_enable_w)
AM_RANGE(0x1583, 0x1583) AM_MIRROR(0x6000) AM_WRITENOP
AM_RANGE(0x1584, 0x1587) AM_MIRROR(0x6000) AM_DEVWRITE(GAL_AUDIO, galaxian_lfo_freq_w)
AM_RANGE(0x1580, 0x1587) AM_MIRROR(0x6000) AM_DEVWRITE(GAL_AUDIO, galaxian_sound_w)
AM_RANGE(0x1583, 0x1583) AM_MIRROR(0x6000) AM_DEVWRITE(GAL_AUDIO, galaxian_noise_enable_w)
AM_RANGE(0x1585, 0x1585) AM_MIRROR(0x6000) AM_DEVWRITE(GAL_AUDIO, galaxian_shoot_enable_w)
AM_RANGE(0x1586, 0x1587) AM_MIRROR(0x6000) AM_DEVWRITE(GAL_AUDIO, galaxian_vol_w)
AM_RANGE(0x1600, 0x1600) AM_MIRROR(0x6000) AM_READ_PORT("DSW0")
AM_RANGE(0x1600, 0x1601) AM_MIRROR(0x6000) AM_WRITENOP
AM_RANGE(0x1604, 0x1604) AM_MIRROR(0x6000) AM_WRITENOP
AM_RANGE(0x1601, 0x1601) AM_MIRROR(0x6000) AM_WRITE(galaxold_nmi_enable_w)
AM_RANGE(0x1604, 0x1604) AM_MIRROR(0x6000) AM_WRITE(galaxold_stars_enable_w)
AM_RANGE(0x1606, 0x1606) AM_MIRROR(0x6000) AM_WRITE(galaxold_flip_screen_x_w)
AM_RANGE(0x1607, 0x1607) AM_MIRROR(0x6000) AM_WRITE(galaxold_flip_screen_y_w)
AM_RANGE(0x1680, 0x1680) AM_MIRROR(0x6000) AM_READNOP AM_DEVWRITE(GAL_AUDIO, galaxian_pitch_w)
AM_RANGE(0x1680, 0x1680) AM_MIRROR(0x6000) AM_READ(watchdog_reset_r) AM_DEVWRITE(GAL_AUDIO, galaxian_pitch_w)
AM_RANGE(0x1800, 0x1bff) AM_MIRROR(0x6000) AM_WRITE(galaxold_videoram_w) AM_BASE(&galaxold_videoram)
AM_RANGE(0x1c00, 0x1fff) AM_MIRROR(0x6000) AM_RAM
AM_RANGE(0x2000, 0x2fff) AM_ROM
@ -820,9 +823,10 @@ static ADDRESS_MAP_START( hunchbkg, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x6000, 0x6fff) AM_ROM
ADDRESS_MAP_END
/* the nmi line seems to be inverted on the cpu plugin board */
static ADDRESS_MAP_START( hunchbkg_io, ADDRESS_SPACE_IO, 8 )
AM_RANGE(S2650_DATA_PORT, S2650_DATA_PORT) AM_READNOP // not used
AM_RANGE(S2650_SENSE_PORT, S2650_SENSE_PORT) AM_READ_PORT("SENSE")
AM_RANGE(S2650_SENSE_PORT, S2650_SENSE_PORT) AM_DEVREAD("7474_9m_1", ttl7474_output_comp_r)
ADDRESS_MAP_END
@ -1791,9 +1795,6 @@ static INPUT_PORTS_START( hunchbkg )
PORT_DIPNAME( 0x80, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x80, DEF_STR( On ) )
PORT_START("SENSE")
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_VBLANK )
INPUT_PORTS_END
@ -2342,25 +2343,12 @@ MACHINE_DRIVER_END
static MACHINE_DRIVER_START( hunchbkg )
/* basic machine hardware */
MDRV_CPU_ADD("maincpu", S2650, PIXEL_CLOCK/2)
MDRV_IMPORT_FROM(galaxold_base)
MDRV_CPU_REPLACE("maincpu", S2650, PIXEL_CLOCK / 4)
MDRV_CPU_PROGRAM_MAP(hunchbkg)
MDRV_CPU_IO_MAP(hunchbkg_io)
MDRV_CPU_VBLANK_INT("screen", hunchbks_vh_interrupt)
MDRV_GFXDECODE(galaxian)
MDRV_PALETTE_LENGTH(32+2+64) /* 32 for the characters, 2 for the bullets, 64 for the stars */
MDRV_SCREEN_ADD("screen", RASTER)
MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
MDRV_SCREEN_RAW_PARAMS(PIXEL_CLOCK, HTOTAL, HBEND, HBSTART, VTOTAL, VBEND, VBSTART)
MDRV_PALETTE_INIT(galaxold)
MDRV_VIDEO_UPDATE(galaxold)
MDRV_VIDEO_START(galaxold_plain)
/* sound hardware */
MDRV_SPEAKER_STANDARD_MONO("mono")
MDRV_MACHINE_RESET(hunchbkg)
MDRV_IMPORT_FROM(galaxian_audio)
MACHINE_DRIVER_END

1
src/mame/includes/galaxold.h
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@ -110,6 +110,7 @@ WRITE8_HANDLER( galaxold_nmi_enable_w );
MACHINE_RESET( galaxold );
MACHINE_RESET( devilfsg );
MACHINE_RESET( hunchbkg );
WRITE8_HANDLER( galaxold_coin_lockout_w );
WRITE8_HANDLER( galaxold_coin_counter_w );

22
src/mame/machine/galaxold.c
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@ -16,6 +16,21 @@ static running_device *int_timer;
static UINT8 _4in1_bank;
static IRQ_CALLBACK(hunchbkg_irq_callback)
{
/* for some reason a call to cputag_set_input_line
* is significantly delayed ....
*
* cputag_set_input_line(device->machine, "maincpu", 0, CLEAR_LINE);
*
* Therefore we reset the line without any detour ....
*/
//cpu_set_input_line(device->machine->firstcpu, 0, CLEAR_LINE);
cpu_set_info(device->machine->firstcpu, CPUINFO_INT_INPUT_STATE + irq_line, CLEAR_LINE);
return 0x03;
}
void galaxold_7474_9m_2_callback(running_device *device)
{
/* Q bar clocks the other flip-flop,
@ -47,7 +62,7 @@ TIMER_DEVICE_CALLBACK( galaxold_interrupt_timer )
ttl7474_d_w(target, (param & 0xe0) != 0xe0);
/* 16V clocks the flip-flop */
ttl7474_clock_w(target, param & 0x10);
ttl7474_clock_w(target, (param & 0x10) == 0x10);
param = (param + 0x10) & 0xff;
@ -86,6 +101,11 @@ MACHINE_RESET( devilfsg )
machine_reset_common(machine, 0);
}
MACHINE_RESET( hunchbkg )
{
machine_reset_common(machine, 0);
cpu_set_irq_callback(devtag_get_device(machine, "maincpu"), hunchbkg_irq_callback);
}
WRITE8_HANDLER( galaxold_coin_lockout_w )
{