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alnattck i/o

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This commit is contained in:
hap 2015-03-06 20:18:26 +01:00
parent 77c98e46a6
commit 8dee0a3e12
1 changed files with 64 additions and 5 deletions
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69
src/mess/drivers/hh_hmcs40.c
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@ -31,13 +31,13 @@ public:
// devices
required_device<cpu_device> m_maincpu;
optional_ioport_array<3> m_inp_matrix; // max 3
optional_ioport_array<7> m_inp_matrix; // max 7
optional_device<speaker_sound_device> m_speaker;
// misc common
UINT16 m_inp_mux;
UINT8 read_inputs(int columns);
UINT16 read_inputs(int columns);
virtual void machine_start();
@ -59,6 +59,9 @@ public:
void display_matrix(int maxx, int maxy, UINT32 setx, UINT32 sety);
// game-specific handlers
DECLARE_WRITE8_MEMBER(alnattck_plate_w);
DECLARE_READ16_MEMBER(alnattck_d_r);
DECLARE_WRITE16_MEMBER(alnattck_d_w);
};
@ -160,9 +163,9 @@ void hh_hmcs40_state::display_matrix(int maxx, int maxy, UINT32 setx, UINT32 set
}
UINT8 hh_hmcs40_state::read_inputs(int columns)
UINT16 hh_hmcs40_state::read_inputs(int columns)
{
UINT8 ret = 0;
UINT16 ret = 0;
// read selected input rows
for (int i = 0; i < columns; i++)
@ -190,7 +193,63 @@ UINT8 hh_hmcs40_state::read_inputs(int columns)
***************************************************************************/
WRITE8_MEMBER(hh_hmcs40_state::alnattck_plate_w)
{
// R0x-R3x, D0-D3: vfd matrix plate
int shift = offset * 4;
m_plate = (m_plate & ~(0xf << shift)) | (data << shift);
// update display
UINT32 plate = BITSWAP16((UINT16)m_plate,11,9,8,10,7,2,0,1,3,4,5,6,12,13,14,15) | (m_plate & 0xf0000);
display_matrix(20, 10, plate, m_grid);
}
READ16_MEMBER(hh_hmcs40_state::alnattck_d_r)
{
// D5: inputs
return (offset == 5) ? (read_inputs(7) << 5 & 0x20) : 0;
}
WRITE16_MEMBER(hh_hmcs40_state::alnattck_d_w)
{
// D4: speaker out
m_speaker->level_w(data >> 4 & 1);
// D7-D13: input mux
m_inp_mux = data >> 7 & 0x7f;
// D6-D15: vfd matrix grid
m_grid = data >> 6 & 0x3ff;
// D0-D3: plate 16-19 (update display there)
alnattck_plate_w(space, 4, data & 0xf);
}
static INPUT_PORTS_START( alnattck )
PORT_START("IN.0") // D5 D7
PORT_CONFNAME( 0x01, 0x00, "Skill" )
PORT_CONFSETTING( 0x00, "1" )
PORT_CONFSETTING( 0x01, "2" )
PORT_START("IN.1") // D5 D8
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT )
PORT_START("IN.2") // D5 D9
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT )
PORT_START("IN.3") // D5 D10
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP )
PORT_START("IN.4") // D5 D11
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN )
PORT_START("IN.5") // D5 D12
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_NAME("Move")
PORT_START("IN.6") // D5 D13
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_NAME("Fire")
INPUT_PORTS_END
@ -199,7 +258,7 @@ static MACHINE_CONFIG_START( alnattck, hh_hmcs40_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", HD38800, 400000) // approximation - RC osc.
// MCFG_TIMER_DRIVER_ADD_PERIODIC("display_decay", hh_hmcs40_state, display_decay_tick, attotime::from_msec(1))
MCFG_TIMER_DRIVER_ADD_PERIODIC("display_decay", hh_hmcs40_state, display_decay_tick, attotime::from_msec(1))
MCFG_DEFAULT_LAYOUT(layout_alnattck)
/* no video! */