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improve galaxia enemy bullet collision detection

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(astrowar is messed up now, i'll get to that later)
This commit is contained in:
Michaël Banaan Ananas 2012-03-24 00:55:21 +00:00
parent 2bd232bfd4
commit 54f9eb4dda
1 changed files with 6 additions and 5 deletions
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11
src/mame/drivers/galaxia.c
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@ -87,7 +87,7 @@ static SCREEN_UPDATE_IND16( galaxia )
if (bitmap.pix16(y, pos))
{
// collision with background
// state->m_collision |= 0xff; * no effect, even if setting all bits.. must be another register?
state->m_collision |= 0x80;
}
else
{
@ -191,11 +191,12 @@ static ADDRESS_MAP_START( mem_map, AS_PROGRAM, 8 )
ADDRESS_MAP_END
static ADDRESS_MAP_START( io_map, AS_IO, 8 )
ADDRESS_MAP_UNMAP_HIGH
AM_RANGE(0x00, 0x00) AM_WRITE(galaxia_scroll_w)
AM_RANGE(0x02, 0x02) AM_READ_PORT("IN2")
AM_RANGE(0x05, 0x05) AM_READ_PORT("IN5")
AM_RANGE(0x05, 0x05) AM_READNOP
AM_RANGE(0x06, 0x06) AM_READ_PORT("IN6")
AM_RANGE(0xac, 0xac) AM_READ_PORT("IN3")
AM_RANGE(0x07, 0x07) AM_READ_PORT("IN7")
AM_RANGE(S2650_CTRL_PORT, S2650_CTRL_PORT) AM_READ(galaxia_collision_r)
AM_RANGE(S2650_DATA_PORT, S2650_DATA_PORT) AM_READ(galaxia_collision_clear)
AM_RANGE(S2650_SENSE_PORT, S2650_SENSE_PORT) AM_READ_PORT("SENSE")
@ -204,7 +205,7 @@ ADDRESS_MAP_END
static ADDRESS_MAP_START( astrowar_mem, AS_PROGRAM, 8 )
AM_RANGE(0x0000, 0x13ff) AM_ROM
AM_RANGE(0x1400, 0x14ff) AM_MIRROR(0x6000) AM_RAM
AM_RANGE(0x1400, 0x14ff) AM_MIRROR(0x6000) AM_RAM AM_BASE_MEMBER(galaxia_state, m_bullet)
AM_RANGE(0x1500, 0x15ff) AM_MIRROR(0x6000) AM_DEVREADWRITE("s2636_0", s2636_work_ram_r, s2636_work_ram_w)
AM_RANGE(0x1600, 0x16ff) AM_MIRROR(0x6000) AM_DEVREADWRITE("s2636_1", s2636_work_ram_r, s2636_work_ram_w)
AM_RANGE(0x1700, 0x17ff) AM_MIRROR(0x6000) AM_DEVREADWRITE("s2636_2", s2636_work_ram_r, s2636_work_ram_w)
@ -267,7 +268,7 @@ static INPUT_PORTS_START( galaxia )
PORT_BIT( 0xf0, IP_ACTIVE_HIGH, IPT_UNKNOWN )
PORT_START("IN7")
PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0xff, IP_ACTIVE_HIGH, IPT_UNKNOWN )
PORT_START("SENSE")
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_VBLANK )