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psi98: Add gfx mode rendering, fix vsync timer, update some clocks

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This commit is contained in:
Dirk Best 2017-08-14 00:18:33 +02:00
parent a83ac2582f
commit 90001edb09
1 changed files with 13 additions and 7 deletions
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20
src/mame/drivers/kdt6.cpp
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@ -247,11 +247,10 @@ MC6845_UPDATE_ROW( kdt6_state::crtc_update_row )
for (int i = 0; i < x_count; i++)
{
uint16_t code = m_vram[((m_status1 & 0x03) << 14) | (ma + i)];
if (BIT(m_status1, 6))
{
// text mode
uint16_t code = m_vram[((m_status1 & 0x03) << 14) | (ma + i)];
uint8_t data = m_gfx[((code & 0xff) << 4) | ra];
int inverse = BIT(code, 8) | BIT(m_status1, 5) | ((i == cursor_x) ? 1 : 0);
@ -267,6 +266,11 @@ MC6845_UPDATE_ROW( kdt6_state::crtc_update_row )
else
{
// gfx mode
uint8_t data = m_vram[(ma << 4) | (ra << 6) | i];
// draw 8 pixels of the cell
for (int x = 0; x < 8; x++)
bitmap.pix32(y, x + i*8) = pen[BIT(data, 7 - x)];
}
}
}
@ -351,7 +355,8 @@ WRITE8_MEMBER( kdt6_state::mapper_w )
m_page_r[offset]->set_base(addr < 0x40000 ? &m_ram[addr] : &m_dummy_r[0]);
m_page_w[offset]->set_base(addr < 0x40000 ? &m_ram[addr] : &m_dummy_w[0]);
logerror("map_page: %x -> %06x\n", offset, addr);
if (0)
logerror("map_page: %x -> %06x\n", offset, addr);
}
}
@ -511,20 +516,21 @@ static MACHINE_CONFIG_START( psi98 )
MCFG_CLOCK_SIGNAL_HANDLER(DEVWRITELINE("ctc1", z80ctc_device, trg1))
MCFG_DEVCB_CHAIN_OUTPUT(DEVWRITELINE("ctc1", z80ctc_device, trg2))
MCFG_DEVICE_ADD("ctc1", Z80CTC, XTAL_16MHz / 8)
MCFG_DEVICE_ADD("ctc1", Z80CTC, XTAL_16MHz / 4)
MCFG_Z80CTC_INTR_CB(INPUTLINE("maincpu", INPUT_LINE_IRQ0))
MCFG_Z80CTC_ZC1_CB(DEVWRITELINE("sio", z80sio_device, rxtxcb_w))
MCFG_Z80CTC_ZC2_CB(DEVWRITELINE("sio", z80sio_device, rxca_w))
MCFG_DEVCB_CHAIN_OUTPUT(DEVWRITELINE("sio", z80sio_device, txca_w))
MCFG_DEVICE_ADD("ctc2", Z80CTC, XTAL_16MHz / 8)
MCFG_DEVICE_ADD("ctc2", Z80CTC, XTAL_16MHz / 4)
MCFG_Z80CTC_INTR_CB(INPUTLINE("maincpu", INPUT_LINE_IRQ0))
MCFG_Z80CTC_ZC2_CB(DEVWRITELINE("ctc2", z80ctc_device, trg3))
MCFG_Z80SIO_ADD("sio", XTAL_16MHz / 8, 0, 0, 0, 0)
MCFG_Z80SIO_ADD("sio", XTAL_16MHz / 4, 0, 0, 0, 0)
MCFG_Z80SIO_OUT_INT_CB(INPUTLINE("maincpu", INPUT_LINE_IRQ0))
MCFG_Z80SIO_OUT_TXDB_CB(DEVWRITELINE("kbd", psi_keyboard_bus_device, tx_w))
MCFG_DEVICE_ADD("pio", Z80PIO, XTAL_16MHz / 8)
MCFG_DEVICE_ADD("pio", Z80PIO, XTAL_16MHz / 4)
MCFG_Z80PIO_OUT_INT_CB(INPUTLINE("maincpu", INPUT_LINE_IRQ0))
MCFG_UPD765A_ADD("fdc", true, true)