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hh_pic16: hooked up pabball i/o (nw)

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hap 2017-03-22 16:47:43 +01:00
parent 0528114eff
commit d420d4afb0
1 changed files with 37 additions and 14 deletions
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51
src/mame/drivers/hh_pic16.cpp
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@ -60,7 +60,7 @@
#include "ttfball.lh"
#include "us2pfball.lh"
//#include "hh_pic16_test.lh" // common test-layout - use external artwork
#include "hh_pic16_test.lh" // common test-layout - use external artwork
class hh_pic16_state : public driver_device
@ -405,7 +405,7 @@ MACHINE_CONFIG_END
Caprice Pro-Action Baseball (manufactured by Calfax)
* PIC 1655A-043
* x
* 1 7seg LED + 36 other LEDs, CD4028, 1-bit sound
***************************************************************************/
@ -417,7 +417,6 @@ public:
{ }
void prepare_display();
DECLARE_READ8_MEMBER(read_a);
DECLARE_WRITE8_MEMBER(write_b);
DECLARE_WRITE8_MEMBER(write_c);
};
@ -426,42 +425,66 @@ public:
void pabball_state::prepare_display()
{
}
READ8_MEMBER(pabball_state::read_a)
{
return 0xf;
// CD4028 BCD to decimal decoder
u16 sel = m_c & 0xf;
if (sel & 8) sel &= 9;
sel = 1 << sel;
// CD4028 9 is 7seg
set_display_segmask(0x200, 0xff);
display_matrix(8, 10, m_b, sel);
}
WRITE8_MEMBER(pabball_state::write_b)
{
// B: led data
m_b = ~data;
prepare_display();
}
WRITE8_MEMBER(pabball_state::write_c)
{
// C2: RTCC pin
m_maincpu->set_input_line(PIC16C5x_RTCC, data >> 2 & 1);
// C7: speaker out
m_speaker->level_w(data >> 7 & 1);
// C0-C3: CD4028 A-D
m_c = data;
prepare_display();
}
// config
static INPUT_PORTS_START( pabball )
PORT_START("IN.0")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON3 )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON4 )
PORT_START("IN.0") // port A
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON2 )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON3 )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON4 )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START("IN.1") // port C
PORT_BIT( 0xcf, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 )
PORT_CONFNAME( 0x20, 0x00, DEF_STR( Players ) )
PORT_CONFSETTING( 0x00, "1" )
PORT_CONFSETTING( 0x20, "2" )
INPUT_PORTS_END
static MACHINE_CONFIG_START( pabball, pabball_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", PIC1655, 1000000) // approximation - RC osc. R=18K, C=27pF
MCFG_PIC16C5x_READ_A_CB(READ8(pabball_state, read_a))
MCFG_PIC16C5x_READ_A_CB(IOPORT("IN.0"))
MCFG_PIC16C5x_WRITE_B_CB(WRITE8(pabball_state, write_b))
MCFG_PIC16C5x_READ_C_CB(IOPORT("IN.1"))
MCFG_PIC16C5x_WRITE_C_CB(WRITE8(pabball_state, write_c))
MCFG_TIMER_DRIVER_ADD_PERIODIC("display_decay", hh_pic16_state, display_decay_tick, attotime::from_msec(1))
//MCFG_DEFAULT_LAYOUT(layout_pabball)
MCFG_DEFAULT_LAYOUT(layout_hh_pic16_test)
/* sound hardware */
MCFG_SPEAKER_STANDARD_MONO("mono")