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vt240: keyboard_error-- (nw)

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This commit is contained in:
cracyc 2016-06-26 17:06:47 -05:00
parent 9f112354df
commit ea0e8c60ba
1 changed files with 24 additions and 7 deletions
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31
src/mame/drivers/vt240.cpp
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@ -59,7 +59,8 @@ public:
m_nvram(*this, "x2212"), m_nvram(*this, "x2212"),
m_palette(*this, "palette"), m_palette(*this, "palette"),
m_rom(*this, "maincpu"), m_rom(*this, "maincpu"),
m_video_ram(*this, "vram"){ } m_video_ram(*this, "vram"),
m_lk201(*this, "lk201"){ }
required_device<cpu_device> m_maincpu; required_device<cpu_device> m_maincpu;
required_device<cpu_device> m_i8085; required_device<cpu_device> m_i8085;
@ -71,11 +72,13 @@ public:
required_device<palette_device> m_palette; required_device<palette_device> m_palette;
required_region_ptr<UINT16> m_rom; required_region_ptr<UINT16> m_rom;
required_shared_ptr<UINT16> m_video_ram; required_shared_ptr<UINT16> m_video_ram;
optional_device<lk201_device> m_lk201;
DECLARE_WRITE_LINE_MEMBER(write_keyboard_clock); DECLARE_WRITE_LINE_MEMBER(write_keyboard_clock);
DECLARE_WRITE_LINE_MEMBER(i8085_rdy_w); DECLARE_WRITE_LINE_MEMBER(i8085_rdy_w);
DECLARE_WRITE_LINE_MEMBER(lben_w);
DECLARE_WRITE_LINE_MEMBER(tx_w);
DECLARE_READ_LINE_MEMBER(i8085_sid_r); DECLARE_READ_LINE_MEMBER(i8085_sid_r);
DECLARE_READ8_MEMBER( test_r );
DECLARE_READ8_MEMBER(i8085_comm_r); DECLARE_READ8_MEMBER(i8085_comm_r);
DECLARE_WRITE8_MEMBER(i8085_comm_w); DECLARE_WRITE8_MEMBER(i8085_comm_w);
DECLARE_READ8_MEMBER(t11_comm_r); DECLARE_READ8_MEMBER(t11_comm_r);
@ -111,6 +114,7 @@ public:
UINT8 m_char_idx, m_mask, m_reg0, m_reg1, m_lu; UINT8 m_char_idx, m_mask, m_reg0, m_reg1, m_lu;
UINT8 m_vom[16]; UINT8 m_vom[16];
UINT8 m_vpat, m_patmult, m_patcnt, m_patidx; UINT8 m_vpat, m_patmult, m_patcnt, m_patidx;
bool m_lb;
}; };
WRITE_LINE_MEMBER(vt240_state::write_keyboard_clock) WRITE_LINE_MEMBER(vt240_state::write_keyboard_clock)
@ -119,6 +123,19 @@ WRITE_LINE_MEMBER(vt240_state::write_keyboard_clock)
m_i8251->write_rxc(state); m_i8251->write_rxc(state);
} }
WRITE_LINE_MEMBER(vt240_state::lben_w)
{
m_lb = state ? false : true;
}
WRITE_LINE_MEMBER(vt240_state::tx_w)
{
if(m_lb)
m_i8251->write_rxd(state);
else
m_lk201->rx_w(state);
}
WRITE_LINE_MEMBER(vt240_state::i8085_rdy_w) WRITE_LINE_MEMBER(vt240_state::i8085_rdy_w)
{ {
m_maincpu->set_input_line(3, state ? CLEAR_LINE : ASSERT_LINE); m_maincpu->set_input_line(3, state ? CLEAR_LINE : ASSERT_LINE);
@ -285,7 +302,6 @@ WRITE16_MEMBER(vt240_state::vram_w)
UINT8 *video_ram = (UINT8 *)(&m_video_ram[0]); UINT8 *video_ram = (UINT8 *)(&m_video_ram[0]);
offset <<= 1; offset <<= 1;
offset = ((offset & 0x30000) >> 1) | (offset & 0x7fff); offset = ((offset & 0x30000) >> 1) | (offset & 0x7fff);
UINT8 chr = data;
if(!BIT(m_reg0, 3)) if(!BIT(m_reg0, 3))
offset |= BIT(offset, 16); offset |= BIT(offset, 16);
else else
@ -298,6 +314,7 @@ WRITE16_MEMBER(vt240_state::vram_w)
else else
data &= 0xff; data &= 0xff;
} }
UINT8 chr = data;
if(BIT(m_reg1, 2)) if(BIT(m_reg1, 2))
chr = video_ram[offset & 0xffff]; chr = video_ram[offset & 0xffff];
@ -500,10 +517,10 @@ static MACHINE_CONFIG_START( vt240, vt240_state )
// MCFG_I8251_RTS_HANDLER(DEVWRITELINE("rs232", rs232_port_device, write_rts)) // MCFG_I8251_RTS_HANDLER(DEVWRITELINE("rs232", rs232_port_device, write_rts))
MCFG_DEVICE_ADD("i8251", I8251, 0) MCFG_DEVICE_ADD("i8251", I8251, 0)
MCFG_I8251_TXD_HANDLER(DEVWRITELINE("lk201", lk201_device, rx_w)) MCFG_I8251_TXD_HANDLER(WRITELINE(vt240_state, tx_w))
//MCFG_I8251_DTR_HANDLER(WRITELINE(rainbow_state, irq_hi_w)) MCFG_I8251_DTR_HANDLER(WRITELINE(vt240_state, lben_w))
//MCFG_I8251_RXRDY_HANDLER(INPUTLINE("maincpu", )) MCFG_I8251_RXRDY_HANDLER(INPUTLINE("maincpu", 9))
//MCFG_I8251_TXRDY_HANDLER(WRITELINE(rainbow_state, kbd_txready_w)) MCFG_I8251_TXRDY_HANDLER(INPUTLINE("maincpu", 7))
MCFG_DEVICE_ADD("lk201", LK201, 0) MCFG_DEVICE_ADD("lk201", LK201, 0)
MCFG_LK201_TX_HANDLER(DEVWRITELINE("i8251", i8251_device, write_rxd)) MCFG_LK201_TX_HANDLER(DEVWRITELINE("i8251", i8251_device, write_rxd))