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polaris : fixed player inputs in upright cabinet (nw)

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This commit is contained in:
Robbbert 2012-12-10 11:57:50 +00:00
parent e8170f94d6
commit 7ac70e7ee5
2 changed files with 9 additions and 1 deletions
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9
src/mame/drivers/8080bw.c
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@ -1566,6 +1566,13 @@ MACHINE_START_MEMBER(_8080bw_state,polaris)
MACHINE_START_CALL_MEMBER(mw8080bw);
}
READ8_MEMBER( _8080bw_state::polaris_port00_r )
{
UINT8 data = ioport("IN0")->read();
if (m_c8080bw_flip_screen) return data;
return (data & 7) | (ioport("IN1")->read() & 0xf8);
}
// Port 5 is used to reset the watchdog timer.
// This port is also written to when the boss plane is going up and down.
// If you write this value to a note ciruit similar to the music,
@ -1573,7 +1580,7 @@ MACHINE_START_MEMBER(_8080bw_state,polaris)
// It sounds better then the actual circuit used.
// Probably an unfinished feature.
static ADDRESS_MAP_START( polaris_io_map, AS_IO, 8, _8080bw_state )
AM_RANGE(0x00, 0x00) AM_READ_PORT("IN0") AM_DEVWRITE_LEGACY("mb14241", mb14241_shift_count_w)
AM_RANGE(0x00, 0x00) AM_READ(polaris_port00_r) AM_DEVWRITE_LEGACY("mb14241", mb14241_shift_count_w)
AM_RANGE(0x01, 0x01) AM_READ_PORT("IN1")
AM_RANGE(0x02, 0x02) AM_READ_PORT("IN2") AM_WRITE(polaris_sh_port_1_w)
AM_RANGE(0x03, 0x03) AM_DEVREADWRITE_LEGACY("mb14241", mb14241_shift_result_r, mb14241_shift_data_w)

1
src/mame/includes/8080bw.h
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@ -50,6 +50,7 @@ public:
DECLARE_CUSTOM_INPUT_MEMBER(claybust_gun_on_r);
DECLARE_READ8_MEMBER(indianbt_r);
DECLARE_READ8_MEMBER(polaris_port00_r);
DECLARE_WRITE8_MEMBER(steelwkr_sh_port_3_w);
DECLARE_WRITE8_MEMBER(invadpt2_sh_port_1_w);
DECLARE_WRITE8_MEMBER(invadpt2_sh_port_2_w);