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williams system3 wip

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This commit is contained in:
Robbbert 2012-10-19 11:29:07 +00:00
parent 698f4f9387
commit de1b26643c
1 changed files with 55 additions and 15 deletions
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70
src/mame/drivers/s3.c
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@ -34,6 +34,12 @@ public:
DECLARE_READ8_MEMBER(dac_r);
DECLARE_WRITE8_MEMBER(dac_w);
DECLARE_WRITE8_MEMBER(dig0_w);
DECLARE_WRITE8_MEMBER(dig1_w);
DECLARE_WRITE8_MEMBER(lamp0_w);
DECLARE_WRITE8_MEMBER(lamp1_w);
DECLARE_READ8_MEMBER(switch_r);
DECLARE_WRITE8_MEMBER(switch_w);
DECLARE_READ_LINE_MEMBER(cb1_r);
TIMER_DEVICE_CALLBACK_MEMBER(irq);
protected:
@ -52,6 +58,7 @@ protected:
private:
UINT8 m_t_c;
UINT8 m_sound_data;
UINT8 m_strobe;
bool m_cb1;
};
@ -85,8 +92,8 @@ static const pia6821_interface pia0_intf =
{
DEVCB_NULL, /* port A in */
DEVCB_NULL, /* port B in */
DEVCB_NULL, /* line CA1 in */
DEVCB_NULL, /* line CB1 in */
DEVCB_LINE_GND, /* line CA1 in */
DEVCB_LINE_GND, /* line CB1 in */
DEVCB_NULL, /* line CA2 in */
DEVCB_NULL, /* line CB2 in */
DEVCB_NULL, /* port A out */
@ -97,22 +104,46 @@ static const pia6821_interface pia0_intf =
DEVCB_CPU_INPUT_LINE("maincpu", M6800_IRQ_LINE) /* IRQB */
};
WRITE8_MEMBER( s3_state::lamp0_w )
{
m_maincpu->set_input_line(M6800_IRQ_LINE, CLEAR_LINE);
}
WRITE8_MEMBER( s3_state::lamp1_w )
{
//printf("1=%X ",data);
}
static const pia6821_interface pia1_intf =
{
DEVCB_NULL, /* port A in */
DEVCB_NULL, /* port B in */
DEVCB_NULL, /* line CA1 in */
DEVCB_NULL, /* line CB1 in */
DEVCB_LINE_GND, /* line CA1 in */
DEVCB_LINE_GND, /* line CB1 in */
DEVCB_NULL, /* line CA2 in */
DEVCB_NULL, /* line CB2 in */
DEVCB_NULL, /* port A out */
DEVCB_NULL, /* port B out */
DEVCB_DRIVER_MEMBER(s3_state, lamp0_w), /* port A out */
DEVCB_DRIVER_MEMBER(s3_state, lamp1_w), /* port B out */
DEVCB_NULL, /* line CA2 out */
DEVCB_NULL, /* port CB2 out */
DEVCB_CPU_INPUT_LINE("maincpu", M6800_IRQ_LINE), /* IRQA */
DEVCB_CPU_INPUT_LINE("maincpu", M6800_IRQ_LINE) /* IRQB */
};
WRITE8_MEMBER( s3_state::dig0_w )
{
m_strobe = data;
}
WRITE8_MEMBER( s3_state::dig1_w )
{
static const UINT8 patterns[16] = { 0x3f, 0x06, 0x5b, 0x4f, 0x66, 0x6d, 0x7d, 0x07, 0x7f, 0x6f, 0, 0, 0, 0, 0, 0 }; // MC14558
// player 1, 2, credits, balls
output_set_digit_value(m_strobe, patterns[data&15]);
// player 3 and 4
output_set_digit_value(m_strobe+20, patterns[data>>4]);
}
static const pia6821_interface pia2_intf =
{
DEVCB_NULL, /* port A in */
@ -121,24 +152,34 @@ static const pia6821_interface pia2_intf =
DEVCB_NULL, /* line CB1 in */
DEVCB_NULL, /* line CA2 in */
DEVCB_NULL, /* line CB2 in */
DEVCB_NULL, /* port A out */
DEVCB_NULL, /* port B out */
DEVCB_DRIVER_MEMBER(s3_state, dig0_w), /* port A out */
DEVCB_DRIVER_MEMBER(s3_state, dig1_w), /* port B out */
DEVCB_NULL, /* line CA2 out */
DEVCB_NULL, /* port CB2 out */
DEVCB_CPU_INPUT_LINE("maincpu", M6800_IRQ_LINE), /* IRQA */
DEVCB_CPU_INPUT_LINE("maincpu", M6800_IRQ_LINE) /* IRQB */
};
READ8_MEMBER( s3_state::switch_r )
{
return 0xff;
}
WRITE8_MEMBER( s3_state::switch_w )
{
}
static const pia6821_interface pia3_intf =
{
DEVCB_NULL, /* port A in */
DEVCB_DRIVER_MEMBER(s3_state, switch_r), /* port A in */
DEVCB_NULL, /* port B in */
DEVCB_NULL, /* line CA1 in */
DEVCB_NULL, /* line CB1 in */
DEVCB_LINE_GND, /* line CA1 in */
DEVCB_LINE_GND, /* line CB1 in */
DEVCB_NULL, /* line CA2 in */
DEVCB_NULL, /* line CB2 in */
DEVCB_NULL, /* port A out */
DEVCB_NULL, /* port B out */
DEVCB_DRIVER_MEMBER(s3_state, switch_w), /* port B out */
DEVCB_NULL, /* line CA2 out */
DEVCB_NULL, /* port CB2 out */
DEVCB_CPU_INPUT_LINE("maincpu", M6800_IRQ_LINE), /* IRQA */
@ -165,7 +206,7 @@ WRITE8_MEMBER( s3_state::dac_w )
static const pia6821_interface pia4_intf =
{
DEVCB_NULL, /* port A in */
DEVCB_NULL, /* port B in */
DEVCB_DRIVER_MEMBER(s3_state, dac_r), /* port B in */
DEVCB_NULL, /* line CA1 in */
DEVCB_DRIVER_LINE_MEMBER(s3_state, cb1_r), /* line CB1 in */
DEVCB_NULL, /* line CA2 in */
@ -180,11 +221,10 @@ static const pia6821_interface pia4_intf =
TIMER_DEVICE_CALLBACK_MEMBER( s3_state::irq)
{
if (m_t_c > 0x10)
if (m_t_c > 0x70)
m_maincpu->set_input_line(M6800_IRQ_LINE, ASSERT_LINE);
else
m_t_c++;
m_maincpu->set_input_line(M6800_IRQ_LINE, CLEAR_LINE);
}
static MACHINE_CONFIG_START( s3, s3_state )