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https://github.com/holub/mame
synced 2025-05-28 16:43:04 +03:00
improve galaxia enemy bullet collision detection
(astrowar is messed up now, i'll get to that later)
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2bd232bfd4
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@ -87,7 +87,7 @@ static SCREEN_UPDATE_IND16( galaxia )
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if (bitmap.pix16(y, pos))
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{
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// collision with background
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// state->m_collision |= 0xff; * no effect, even if setting all bits.. must be another register?
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state->m_collision |= 0x80;
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}
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else
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{
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@ -191,11 +191,12 @@ static ADDRESS_MAP_START( mem_map, AS_PROGRAM, 8 )
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ADDRESS_MAP_END
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static ADDRESS_MAP_START( io_map, AS_IO, 8 )
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ADDRESS_MAP_UNMAP_HIGH
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AM_RANGE(0x00, 0x00) AM_WRITE(galaxia_scroll_w)
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AM_RANGE(0x02, 0x02) AM_READ_PORT("IN2")
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AM_RANGE(0x05, 0x05) AM_READ_PORT("IN5")
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AM_RANGE(0x05, 0x05) AM_READNOP
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AM_RANGE(0x06, 0x06) AM_READ_PORT("IN6")
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AM_RANGE(0xac, 0xac) AM_READ_PORT("IN3")
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AM_RANGE(0x07, 0x07) AM_READ_PORT("IN7")
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AM_RANGE(S2650_CTRL_PORT, S2650_CTRL_PORT) AM_READ(galaxia_collision_r)
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AM_RANGE(S2650_DATA_PORT, S2650_DATA_PORT) AM_READ(galaxia_collision_clear)
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AM_RANGE(S2650_SENSE_PORT, S2650_SENSE_PORT) AM_READ_PORT("SENSE")
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@ -204,7 +205,7 @@ ADDRESS_MAP_END
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static ADDRESS_MAP_START( astrowar_mem, AS_PROGRAM, 8 )
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AM_RANGE(0x0000, 0x13ff) AM_ROM
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AM_RANGE(0x1400, 0x14ff) AM_MIRROR(0x6000) AM_RAM
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AM_RANGE(0x1400, 0x14ff) AM_MIRROR(0x6000) AM_RAM AM_BASE_MEMBER(galaxia_state, m_bullet)
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AM_RANGE(0x1500, 0x15ff) AM_MIRROR(0x6000) AM_DEVREADWRITE("s2636_0", s2636_work_ram_r, s2636_work_ram_w)
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AM_RANGE(0x1600, 0x16ff) AM_MIRROR(0x6000) AM_DEVREADWRITE("s2636_1", s2636_work_ram_r, s2636_work_ram_w)
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AM_RANGE(0x1700, 0x17ff) AM_MIRROR(0x6000) AM_DEVREADWRITE("s2636_2", s2636_work_ram_r, s2636_work_ram_w)
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@ -267,7 +268,7 @@ static INPUT_PORTS_START( galaxia )
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PORT_BIT( 0xf0, IP_ACTIVE_HIGH, IPT_UNKNOWN )
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PORT_START("IN7")
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PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
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PORT_BIT( 0xff, IP_ACTIVE_HIGH, IPT_UNKNOWN )
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PORT_START("SENSE")
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PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_VBLANK )
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