mirror of
https://github.com/holub/mame
synced 2025-06-03 03:16:30 +03:00
(mess) qx10kbd: update to use z80dart (nw)
This commit is contained in:
cracyc
parent
8ef48d0144
commit
94d818b894
@ -571,6 +571,12 @@ void z80dart_channel::device_reset()
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void z80dart_channel::tra_callback()
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{
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if (!(m_wr[5] & WR5_TX_ENABLE))
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{
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if (!(m_out_txd_func.isnull()))
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m_out_txd_func(1);
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return;
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}
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if (m_out_txd_func.isnull())
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transmit_register_send_bit();
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else
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@ -6,7 +6,6 @@
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Status:
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Driver boots and load CP/M from floppy image. Needs upd7220 for gfx
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and keyboard hooked to upd7021.
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Done:
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- preliminary memory map
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@ -34,7 +33,7 @@
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#include "cpu/z80/z80.h"
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#include "machine/pit8253.h"
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#include "machine/pic8259.h"
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#include "machine/z80sio.h"
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#include "machine/z80dart.h"
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#include "machine/mc146818.h"
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#include "machine/i8255.h"
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#include "machine/am9517a.h"
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@ -77,7 +76,7 @@ public:
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required_device<pit8253_device> m_pit_2;
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required_device<pic8259_device> m_pic_m;
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required_device<pic8259_device> m_pic_s;
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required_device<z80sio_device> m_scc;
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required_device<upd7201_device> m_scc;
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required_device<i8255_device> m_ppi;
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required_device<am9517a_device> m_dma_1;
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required_device<am9517a_device> m_dma_2;
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@ -119,7 +118,8 @@ public:
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DECLARE_WRITE8_MEMBER( vram_w );
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DECLARE_READ8_MEMBER(memory_read_byte);
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DECLARE_WRITE8_MEMBER(memory_write_byte);
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DECLARE_WRITE8_MEMBER(keyboard_w);
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DECLARE_WRITE_LINE_MEMBER(keyboard_clk);
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DECLARE_WRITE_LINE_MEMBER(keyboard_irq);
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UINT8 *m_char_rom;
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@ -466,61 +466,44 @@ READ8_MEMBER(qx10_state::mc146818_r)
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Channel B: RS232
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*/
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#if 0
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static UPD7201_INTERFACE(qx10_upd7201_interface)
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{
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DEVCB_NULL, /* interrupt */
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{
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{
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0, /* receive clock */
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0, /* transmit clock */
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DEVCB_NULL, /* receive DRQ */
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DEVCB_NULL, /* transmit DRQ */
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DEVCB_DEVICE_LINE_MEMBER("kbd", serial_keyboard_device, tx_r),
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DEVCB_DEVICE_LINE_MEMBER("kbd", serial_keyboard_device, rx_w),
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DEVCB_NULL, /* clear to send */
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DEVCB_NULL, /* data carrier detect */
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DEVCB_NULL, /* ready to send */
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DEVCB_NULL, /* data terminal ready */
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DEVCB_NULL, /* wait */
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DEVCB_NULL /* sync output */
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}, {
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0, /* receive clock */
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0, /* transmit clock */
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DEVCB_NULL, /* receive DRQ */
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DEVCB_NULL, /* transmit DRQ */
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DEVCB_DEVICE_LINE_MEMBER(RS232_TAG, serial_port_device, rx),
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DEVCB_DEVICE_LINE_MEMBER(RS232_TAG, serial_port_device, tx),
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DEVCB_DEVICE_LINE_MEMBER(RS232_TAG, rs232_port_device, cts_r),
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DEVCB_DEVICE_LINE_MEMBER(RS232_TAG, rs232_port_device, dcd_r),
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DEVCB_DEVICE_LINE_MEMBER(RS232_TAG, rs232_port_device, rts_w),
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DEVCB_DEVICE_LINE_MEMBER(RS232_TAG, rs232_port_device, dtr_w),
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DEVCB_NULL, /* wait */
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DEVCB_NULL /* sync output */
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}
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}
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};
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#endif
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0, 0, 0, 0, // channel b clock set by pit2 channel 2
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static struct z80sio_interface qx10_upd7201_interface =
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DEVCB_DEVICE_LINE_MEMBER("kbd", serial_keyboard_device, tx_r),
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DEVCB_DEVICE_LINE_MEMBER("kbd", serial_keyboard_device, rx_w),
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_DEVICE_LINE_MEMBER(RS232_TAG, serial_port_device, rx),
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DEVCB_DEVICE_LINE_MEMBER(RS232_TAG, serial_port_device, tx),
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DEVCB_DEVICE_LINE_MEMBER(RS232_TAG, rs232_port_device, dtr_w),
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DEVCB_DEVICE_LINE_MEMBER(RS232_TAG, rs232_port_device, rts_w),
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_DRIVER_LINE_MEMBER(qx10_state, keyboard_irq)
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};
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static struct serial_keyboard_interface qx10_keyboard_interface =
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{
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DEVCB_DEVICE_LINE_MEMBER("pic8259_master", pic8259_device, ir4_w),
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_DEVICE_MEMBER16("kbd", qx10_keyboard_device, tx_w),
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DEVCB_NULL
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};
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WRITE8_MEMBER(qx10_state::keyboard_w)
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WRITE_LINE_MEMBER(qx10_state::keyboard_irq)
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{
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m_scc->receive_data(0, data);
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m_scc->m1_r(); // always set
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m_pic_m->ir4_w(state);
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}
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static struct keyboard_interface qx10_keyboard_interface =
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WRITE_LINE_MEMBER(qx10_state::keyboard_clk)
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{
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DEVCB_DRIVER_MEMBER(qx10_state, keyboard_w)
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};
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// clock keyboard too
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m_scc->rxca_w(state);
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m_scc->txca_w(state);
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}
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/*
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Timer 0
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@ -550,8 +533,8 @@ static const struct pit8253_config qx10_pit8253_2_config =
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{
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{
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{ MAIN_CLK / 8, DEVCB_LINE_VCC, DEVCB_NULL },
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{ MAIN_CLK / 8, DEVCB_LINE_VCC, DEVCB_NULL },
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{ MAIN_CLK / 8, DEVCB_LINE_VCC, DEVCB_NULL },
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{ MAIN_CLK / 8, DEVCB_LINE_VCC, DEVCB_DRIVER_LINE_MEMBER(qx10_state, keyboard_clk) },
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{ MAIN_CLK / 8, DEVCB_LINE_VCC, DEVCB_DEVICE_LINE_MEMBER("upd7201", z80dart_device, rxtxcb_w) },
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}
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};
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@ -691,7 +674,7 @@ static ADDRESS_MAP_START( qx10_io , AS_IO, 8, qx10_state)
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AM_RANGE(0x04, 0x07) AM_DEVREADWRITE_LEGACY("pit8253_2", pit8253_r, pit8253_w)
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AM_RANGE(0x08, 0x09) AM_DEVREADWRITE("pic8259_master", pic8259_device, read, write)
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AM_RANGE(0x0c, 0x0d) AM_DEVREADWRITE("pic8259_slave", pic8259_device, read, write)
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AM_RANGE(0x10, 0x13) AM_DEVREADWRITE("upd7201", z80sio_device, read, write)
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AM_RANGE(0x10, 0x13) AM_DEVREADWRITE("upd7201", z80dart_device, cd_ba_r, cd_ba_w)
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AM_RANGE(0x14, 0x17) AM_DEVREADWRITE("i8255", i8255_device, read, write)
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AM_RANGE(0x18, 0x1b) AM_READ_PORT("DSW") AM_WRITE(qx10_18_w)
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AM_RANGE(0x1c, 0x1f) AM_WRITE(prom_sel_w)
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@ -900,7 +883,7 @@ static MACHINE_CONFIG_START( qx10, qx10_state )
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MCFG_PIT8253_ADD("pit8253_2", qx10_pit8253_2_config)
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MCFG_PIC8259_ADD("pic8259_master", INPUTLINE("maincpu", 0), VCC, READ8(qx10_state, get_slave_ack))
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MCFG_PIC8259_ADD("pic8259_slave", DEVWRITELINE("pic8259_master", pic8259_device, ir7_w), GND, NULL)
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MCFG_Z80SIO_ADD("upd7201", MAIN_CLK/4, qx10_upd7201_interface)
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MCFG_UPD7201_ADD("upd7201", MAIN_CLK/4, qx10_upd7201_interface)
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MCFG_I8255_ADD("i8255", qx10_i8255_interface)
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MCFG_I8237_ADD("8237dma_1", MAIN_CLK/4, qx10_dma8237_1_interface)
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MCFG_I8237_ADD("8237dma_2", MAIN_CLK/4, qx10_dma8237_2_interface)
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@ -388,7 +388,7 @@ static INPUT_PORTS_START(serial_keyboard)
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PORT_CONFSETTING( 0x00, "8N1")
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PORT_CONFSETTING( 0x10, "7E1")
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PORT_CONFSETTING( 0x20, "8N2")
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PORT_CONFSETTING( 0x30, "8O1")
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PORT_CONFSETTING( 0x30, "8E1")
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INPUT_PORTS_END
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ioport_constructor serial_keyboard_device::device_input_ports() const
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@ -399,7 +399,16 @@ ioport_constructor serial_keyboard_device::device_input_ports() const
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serial_keyboard_device::serial_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
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: generic_keyboard_device(mconfig, SERIAL_KEYBOARD, "Serial Keyboard", tag, owner, clock, "serial_keyboard", __FILE__),
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device_serial_interface(mconfig, *this),
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device_serial_port_interface(mconfig, *this)
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device_serial_port_interface(mconfig, *this),
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m_io_term_frame(*this, "TERM_FRAME")
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{
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}
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serial_keyboard_device::serial_keyboard_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source)
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: generic_keyboard_device(mconfig, type, name, tag, owner, clock, shortname, source),
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device_serial_interface(mconfig, *this),
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device_serial_port_interface(mconfig, *this),
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m_io_term_frame(*this, "TERM_FRAME")
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{
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}
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@ -416,7 +425,7 @@ void serial_keyboard_device::device_config_complete()
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}
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}
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static int rates[] = {150, 300, 600, 1200, 2400, 4800, 9600, 14400, 19200, 28800, 38400, 57600, 115200};
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static int rates[] = {150, 300, 600, 1200, 2400, 4800, 9600, 14400, 19200, 28800, 38400, 57600, 115200, 110};
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void serial_keyboard_device::device_start()
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{
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@ -432,9 +441,22 @@ void serial_keyboard_device::device_start()
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INPUT_CHANGED_MEMBER(serial_keyboard_device::update_frame)
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{
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set_tra_rate(rates[newval & 0x0f]);
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reset();
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}
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switch(newval & 0x30)
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void serial_keyboard_device::device_reset()
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{
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generic_keyboard_device::device_reset();
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m_rbit = 1;
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if(m_slot)
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m_owner->out_rx(m_rbit);
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else
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m_out_tx_func(m_rbit);
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UINT8 val = m_io_term_frame->read();
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set_tra_rate(rates[val & 0x0f]);
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switch(val & 0x30)
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{
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case 0x10:
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set_data_frame(7, 1, SERIAL_PARITY_EVEN);
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@ -447,21 +469,11 @@ INPUT_CHANGED_MEMBER(serial_keyboard_device::update_frame)
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set_data_frame(8, 2, SERIAL_PARITY_NONE);
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break;
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case 0x30:
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set_data_frame(8, 1, SERIAL_PARITY_ODD);
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set_data_frame(8, 1, SERIAL_PARITY_EVEN);
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break;
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}
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}
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void serial_keyboard_device::device_reset()
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{
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generic_keyboard_device::device_reset();
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m_rbit = 1;
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if(m_slot)
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m_owner->out_rx(m_rbit);
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else
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m_out_tx_func(m_rbit);
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}
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void serial_keyboard_device::send_key(UINT8 code)
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{
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if(is_transmit_register_empty())
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@ -57,6 +57,7 @@ protected:
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required_ioport m_io_kbd6;
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required_ioport m_io_kbd7;
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required_ioport m_io_kbdc;
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virtual void device_start();
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virtual void device_reset();
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virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
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@ -82,6 +83,7 @@ class serial_keyboard_device :
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{
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public:
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serial_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
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serial_keyboard_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source);
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DECLARE_WRITE_LINE_MEMBER(rx_w) { m_tbit = state; check_for_start(state); }
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DECLARE_READ_LINE_MEMBER(tx_r);
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@ -102,6 +104,7 @@ private:
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UINT8 m_curr_key;
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bool m_key_valid;
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devcb_resolved_write_line m_out_tx_func;
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required_ioport m_io_term_frame;
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};
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extern const device_type SERIAL_KEYBOARD;
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@ -1,9 +1,9 @@
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// TODO: when z80sio becomes a serial device, inherit from serial_keyboard_device; dump 8049 mcu; key repeat
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// TODO: dump 8049 mcu; key repeat
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#include "machine/qx10kbd.h"
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qx10_keyboard_device::qx10_keyboard_device(const machine_config& mconfig, const char* tag, device_t* owner, UINT32 clock) :
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generic_keyboard_device(mconfig, QX10_KEYBOARD, "QX10 Keyboard", tag, owner, 0, "qx10_keyboard", __FILE__),
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serial_keyboard_device(mconfig, QX10_KEYBOARD, "QX10 Keyboard", tag, owner, 0, "qx10_keyboard", __FILE__),
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m_io_kbd8(*this, "TERM_LINE8"),
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m_io_kbd9(*this, "TERM_LINE9"),
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m_io_kbda(*this, "TERM_LINEA"),
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@ -14,10 +14,8 @@ qx10_keyboard_device::qx10_keyboard_device(const machine_config& mconfig, const
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{
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}
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WRITE16_MEMBER(qx10_keyboard_device::tx_w)
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void qx10_keyboard_device::write(UINT8 data)
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{
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if(offset)
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return;
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switch(data & 0xe0)
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{
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default:
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@ -259,22 +257,29 @@ static INPUT_PORTS_START( qx10_keyboard )
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PORT_BIT(0x40,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("CLS/LINE")
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PORT_BIT(0x80,IP_ACTIVE_HIGH,IPT_UNUSED)
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/* PORT_START("TERM_FRAME")
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PORT_START("TERM_FRAME")
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PORT_CONFNAME(0x0f, 0x03, "Baud") PORT_CHANGED_MEMBER(DEVICE_SELF, serial_keyboard_device, update_frame, 0)
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PORT_CONFSETTING( 0x03, "1200")
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PORT_CONFNAME(0x30, 0x30, "Format") PORT_CHANGED_MEMBER(DEVICE_SELF, serial_keyboard_device, update_frame, 0)
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PORT_CONFSETTING( 0x30, "8O1")*/
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PORT_CONFSETTING( 0x30, "8E1")
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INPUT_PORTS_END
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void qx10_keyboard_device::device_start()
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{
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generic_keyboard_device::device_start();
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memset(m_state, '\0', sizeof(m_state));
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}
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ioport_constructor qx10_keyboard_device::device_input_ports() const
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{
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return INPUT_PORTS_NAME(qx10_keyboard);
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}
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void qx10_keyboard_device::device_start()
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{
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serial_keyboard_device::device_start();
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memset(m_state, '\0', sizeof(m_state));
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set_rcv_rate(1200);
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}
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void qx10_keyboard_device::rcv_complete()
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{
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receive_register_extract();
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write(get_received_char());
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}
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const device_type QX10_KEYBOARD = &device_creator<qx10_keyboard_device>;
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@ -8,19 +8,19 @@
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MCFG_DEVICE_ADD(_tag, QX10_KEYBOARD, 1200) \
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MCFG_DEVICE_CONFIG(_intrf)
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class qx10_keyboard_device : public generic_keyboard_device
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class qx10_keyboard_device : public serial_keyboard_device
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{
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public:
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qx10_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
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virtual ioport_constructor device_input_ports() const;
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DECLARE_WRITE16_MEMBER(tx_w);
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protected:
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virtual void device_start();
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virtual void rcv_complete();
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private:
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virtual UINT8 keyboard_handler(UINT8 last_code, UINT8 *scan_line);
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void write(UINT8 data);
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required_ioport m_io_kbd8;
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required_ioport m_io_kbd9;
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@ -441,7 +441,7 @@ static INPUT_PORTS_START(serial_terminal)
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PORT_CONFSETTING( 0x00, "8N1")
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PORT_CONFSETTING( 0x10, "7E1")
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PORT_CONFSETTING( 0x20, "8N2")
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PORT_CONFSETTING( 0x30, "8O1")
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PORT_CONFSETTING( 0x30, "8E1")
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INPUT_PORTS_END
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ioport_constructor serial_terminal_device::device_input_ports() const
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@ -514,6 +514,9 @@ void serial_terminal_device::device_reset()
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case 0x20:
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set_data_frame(8, 2, SERIAL_PARITY_NONE);
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break;
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case 0x30:
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set_data_frame(8, 1, SERIAL_PARITY_EVEN);
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break;
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}
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}
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