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psi98: Hook up RTC

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This commit is contained in:
Dirk Best 2017-08-14 23:56:42 +02:00
parent d0258eb992
commit d4780a0135
1 changed files with 30 additions and 3 deletions
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33
src/mame/drivers/kdt6.cpp
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@ -43,6 +43,7 @@ public:
m_boot(*this, "boot"),
m_palette(*this, "palette"),
m_gfx(*this, "gfx"),
m_rtc(*this, "rtc"),
m_fdc(*this, "fdc"),
m_floppy0(*this, "fdc:0"),
m_floppy1(*this, "fdc:1"),
@ -94,6 +95,7 @@ private:
required_memory_region m_boot;
required_device<palette_device> m_palette;
required_region_ptr<u8> m_gfx;
required_device<upd1990a_device> m_rtc;
required_device<upd765a_device> m_fdc;
required_device<floppy_connector> m_floppy0;
required_device<floppy_connector> m_floppy1;
@ -324,8 +326,21 @@ READ8_MEMBER( kdt6_state::page1_r )
READ8_MEMBER( kdt6_state::sasi_ctrl_r )
{
logerror("sasi_ctrl_r: 0xff\n");
return 0xff;
uint8_t data = 0;
// 7------- sasi select
// -6------ sasi reset
// --5----- sasi input/output
// ---4---- sasi control/data
// ----3--- sasi message
// -----2-- sasi request
// ------1- sasi busy
// -------0 data output upd1990
data |= m_rtc->data_out_r() << 0;
data |= 0xfe;
return data;
}
WRITE8_MEMBER( kdt6_state::sasi_ctrl_w )
@ -419,7 +434,8 @@ WRITE8_MEMBER( kdt6_state::status1_w )
WRITE8_MEMBER( kdt6_state::status2_w )
{
logerror("status2_w: %02x\n", data);
if (0)
logerror("status2_w: %02x\n", data);
// 7------- rtc chip select
// -6------ rtc output enable
@ -429,6 +445,15 @@ WRITE8_MEMBER( kdt6_state::status2_w )
// -------0 rtc data
// ----3210 memory mapper bit 0-3
m_rtc->cs_w(BIT(data, 7));
m_rtc->oe_w(BIT(data, 6));
m_rtc->stb_w(BIT(data, 5));
m_rtc->clk_w(BIT(data, 4));
m_rtc->c2_w(BIT(data, 3));
m_rtc->c1_w(BIT(data, 2));
m_rtc->c0_w(BIT(data, 1));
m_rtc->data_in_w(BIT(data, 0));
m_status2 = data & 0x0f;
}
@ -533,6 +558,8 @@ static MACHINE_CONFIG_START( psi98 )
MCFG_DEVICE_ADD("pio", Z80PIO, XTAL_16MHz / 4)
MCFG_Z80PIO_OUT_INT_CB(INPUTLINE("maincpu", INPUT_LINE_IRQ0))
MCFG_UPD1990A_ADD("rtc", XTAL_32_768kHz, NOOP, NOOP)
MCFG_UPD765A_ADD("fdc", true, true)
MCFG_UPD765_INTRQ_CALLBACK(DEVWRITELINE("ctc1", z80ctc_device, trg0))
MCFG_UPD765_DRQ_CALLBACK(WRITELINE(kdt6_state, fdc_drq_w))