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schaser : cleaned up cocktail mode

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schasercv : fixed 2nd player in upright cab
This commit is contained in:
Robbbert 2012-12-14 11:39:53 +00:00
parent 4867ac3b28
commit 7092c6a372
3 changed files with 23 additions and 17 deletions
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16
src/mame/audio/8080bw.c
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@ -904,7 +904,7 @@ WRITE8_MEMBER(_8080bw_state::schaser_sh_port_1_w)
m_schaser_last_effect = effect;
}
m_schaser_explosion = (data >> 5) & 0x01;
m_schaser_explosion = BIT(data, 5);
if (m_schaser_explosion)
{
sn76477_amplitude_res_w(m_sn, 1.0 / (1.0/RES_K(200) + 1.0/RES_K(68)));
@ -929,17 +929,17 @@ WRITE8_MEMBER(_8080bw_state::schaser_sh_port_2_w)
//printf( "schaser_sh_port_2_w: %02x\n", data );
discrete_sound_w(m_discrete, space, SCHASER_MUSIC_BIT, data & 0x01);
discrete_sound_w(m_discrete, space, SCHASER_MUSIC_BIT, BIT(data, 0));
discrete_sound_w(m_discrete, space, SCHASER_SND_EN, data & 0x02);
machine().sound().system_enable(data & 0x02);
discrete_sound_w(m_discrete, space, SCHASER_SND_EN, BIT(data, 1));
machine().sound().system_enable(BIT(data, 1));
coin_lockout_global_w(machine(), data & 0x04);
coin_lockout_global_w(machine(), BIT(data, 2));
m_schaser_background_disable = (data >> 3) & 0x01;
m_schaser_background_select = (data >> 4) & 0x01;
m_schaser_background_disable = BIT(data, 3);
m_schaser_background_select = BIT(data, 4);
m_c8080bw_flip_screen = (data & 0x20) && (ioport(CABINET_PORT_TAG)->read() & 0x01);
m_c8080bw_flip_screen = BIT(data, 5) & BIT(ioport("IN2")->read(), 6);
m_port_2_last_extra = data;
}

21
src/mame/drivers/8080bw.c
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@ -1176,15 +1176,11 @@ static INPUT_PORTS_START( schaser )
// Name Reset - if name of high scorer was rude, owner can press this button
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("Name Reset") PORT_CODE(KEYCODE_F1)
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_TILT )
PORT_DIPNAME( 0x40, 0x00, "Number of Controllers" ) PORT_DIPLOCATION("SW1:6")
PORT_DIPSETTING( 0x00, "1" )
PORT_DIPSETTING( 0x40, "2" )
PORT_DIPNAME( 0x40, 0x00, "Cabinet" ) PORT_DIPLOCATION("SW1:6")
PORT_DIPSETTING( 0x00, "Upright" )
PORT_DIPSETTING( 0x40, "Cocktail" )
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED )
// port 3 (all 8 bits) connected to custom chip MB14241 driven by out port 2 and 4
// To get cocktail mode, turn this on, and choose 2 controllers.
INVADERS_CAB_TYPE_PORT /* Dummy port for cocktail mode */
PORT_START("VR1")
PORT_ADJUSTER( 70, "VR1 - Music Volume" )
@ -1247,10 +1243,19 @@ MACHINE_CONFIG_END
/* */
/*******************************************************/
READ8_MEMBER( _8080bw_state::schasercv_02_r )
{
UINT8 data = ioport("IN2")->read();
if (m_c8080bw_flip_screen) return data;
UINT8 in1 = ioport("IN1")->read();
return (data & 0x89) | (in1 & 0x70) | (BIT(in1, 3) << 1) | (BIT(in1, 7) << 2);
}
static ADDRESS_MAP_START( schasercv_io_map, AS_IO, 8, _8080bw_state )
AM_RANGE(0x00, 0x00) AM_READ_PORT("IN0")
AM_RANGE(0x01, 0x01) AM_READ_PORT("IN1")
AM_RANGE(0x02, 0x02) AM_READ_PORT("IN2") AM_DEVWRITE_LEGACY("mb14241", mb14241_shift_count_w)
AM_RANGE(0x02, 0x02) AM_READ(schasercv_02_r) AM_DEVWRITE_LEGACY("mb14241", mb14241_shift_count_w)
AM_RANGE(0x03, 0x03) AM_DEVREAD_LEGACY("mb14241", mb14241_shift_result_r) AM_WRITE(schasercv_sh_port_1_w)
AM_RANGE(0x04, 0x04) AM_DEVWRITE_LEGACY("mb14241", mb14241_shift_data_w)
AM_RANGE(0x05, 0x05) AM_WRITE(schasercv_sh_port_2_w)

1
src/mame/includes/8080bw.h
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@ -74,6 +74,7 @@ public:
DECLARE_WRITE8_MEMBER(lupin3_00_w);
DECLARE_WRITE8_MEMBER(lupin3_sh_port_1_w);
DECLARE_WRITE8_MEMBER(lupin3_sh_port_2_w);
DECLARE_READ8_MEMBER(schasercv_02_r);
DECLARE_WRITE8_MEMBER(schasercv_sh_port_1_w);
DECLARE_WRITE8_MEMBER(schasercv_sh_port_2_w);
DECLARE_WRITE8_MEMBER(yosakdon_sh_port_1_w);