mirror of
https://github.com/holub/mame
synced 2025-04-24 01:11:11 +03:00
wicat: added terminal board components (except for the unemulated INS2651 UARTs), added RS232 ports.
This commit is contained in:
mahlemiut
parent
16ff3c8de0
commit
f720aad7a0
@ -10,10 +10,14 @@ Wicat - various systems.
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#include "emu.h"
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#include "cpu/m68000/m68000.h"
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#include "machine/terminal.h"
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#include "cpu/z8000/z8000.h"
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#include "machine/serial.h"
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#include "machine/6522via.h"
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#include "machine/mm58274c.h"
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#include "machine/mc2661.h"
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#include "machine/im6402.h"
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#include "video/i8275x.h"
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#include "machine/am9517a.h"
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#include "wicat.lh"
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class wicat_state : public driver_device
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@ -21,9 +25,8 @@ class wicat_state : public driver_device
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public:
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wicat_state(const machine_config &mconfig, device_type type, const char *tag)
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: driver_device(mconfig, type, tag)
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// , m_p_base(*this, "rambase")
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, m_vram(*this, "vram")
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, m_maincpu(*this, "maincpu")
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, m_terminal(*this, TERMINAL_TAG)
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, m_rtc(*this, "rtc")
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, m_uart0(*this,"uart0")
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, m_uart1(*this,"uart1")
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@ -32,6 +35,9 @@ public:
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, m_uart4(*this,"uart4")
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, m_uart5(*this,"uart5")
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, m_uart6(*this,"uart6")
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, m_videocpu(*this,"videocpu")
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, m_videoctrl(*this,"video")
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, m_videodma(*this,"videodma")
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{ }
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//DECLARE_WRITE8_MEMBER(kbd_put);
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@ -43,13 +49,16 @@ public:
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DECLARE_READ8_MEMBER(via_b_r);
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DECLARE_WRITE8_MEMBER(via_a_w);
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DECLARE_WRITE8_MEMBER(via_b_w);
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DECLARE_READ8_MEMBER(video_r);
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DECLARE_WRITE8_MEMBER(video_w);
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UINT32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect) { return 0; }
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private:
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UINT8 m_term_data;
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virtual void machine_start();
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virtual void machine_reset();
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// required_shared_ptr<UINT16> m_p_base;
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required_shared_ptr<UINT8> m_vram;
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required_device<cpu_device> m_maincpu;
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required_device<serial_terminal_device> m_terminal;
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required_device<mm58274c_device> m_rtc;
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required_device<mc2661_device> m_uart0;
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required_device<mc2661_device> m_uart1;
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@ -58,6 +67,9 @@ private:
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required_device<mc2661_device> m_uart4;
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required_device<mc2661_device> m_uart5;
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required_device<mc2661_device> m_uart6;
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required_device<cpu_device> m_videocpu;
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required_device<i8275x_device> m_videoctrl;
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required_device<am9517a_device> m_videodma;
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UINT8 m_portA;
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UINT8 m_portB;
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@ -67,7 +79,6 @@ private:
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static ADDRESS_MAP_START(wicat_mem, AS_PROGRAM, 16, wicat_state)
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ADDRESS_MAP_UNMAP_HIGH
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ADDRESS_MAP_GLOBAL_MASK(0xffffff)
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// AM_RANGE(0x000000, 0x01efff) AM_RAM AM_SHARE("rambase")
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AM_RANGE(0x000000, 0x001fff) AM_ROM AM_REGION("c2", 0x0000)
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AM_RANGE(0x020000, 0x1fffff) AM_RAM
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AM_RANGE(0x200000, 0x2fffff) AM_RAM
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@ -86,6 +97,23 @@ static ADDRESS_MAP_START(wicat_mem, AS_PROGRAM, 16, wicat_state)
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AM_RANGE(0xf00f00, 0xf00fff) AM_READWRITE(invalid_r,invalid_w)
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ADDRESS_MAP_END
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static ADDRESS_MAP_START(wicat_video_mem, AS_PROGRAM, 16, wicat_state)
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AM_RANGE(0x0000, 0x7fff) AM_ROM AM_REGION("g2", 0x0000)
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AM_RANGE(0x8000, 0xffff) AM_RAM
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ADDRESS_MAP_END
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static ADDRESS_MAP_START(wicat_video_io, AS_PROGRAM, 8, wicat_state)
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// yet to figure out...
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// 0x0100 - INS2651 USART #1 ?
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// 0x0200 - INS2651 USART #2 ?
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AM_RANGE(0x0700,0x0700) AM_DEVREADWRITE("videouart",im6402_device,read,write) // UART?
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AM_RANGE(0x0800,0x080f) AM_DEVREADWRITE("videodma",am9517a_device,read,write) // DMA?
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AM_RANGE(0x0b00,0x0b03) AM_READWRITE(video_r,video_w)
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AM_RANGE(0x4000,0x5fff) AM_RAM AM_SHARE("vram") // video RAM?
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AM_RANGE(0x8000,0x8fff) AM_ROM AM_REGION("g2char",0x0000)
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AM_RANGE(0x9000,0x9fff) AM_ROM AM_REGION("g2char",0x0000)
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ADDRESS_MAP_END
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/* Input ports */
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static INPUT_PORTS_START( wicat )
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@ -169,12 +197,133 @@ WRITE16_MEMBER( wicat_state::invalid_w )
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m_maincpu->set_input_line(M68K_LINE_BUSERROR, CLEAR_LINE);
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}
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static serial_terminal_interface terminal_intf =
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READ8_MEMBER(wicat_state::video_r)
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{
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switch(offset)
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{
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case 0x00:
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return m_videoctrl->read(space,0);
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case 0x02:
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return m_videoctrl->read(space,1);
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default:
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return 0xff;
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}
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}
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WRITE8_MEMBER(wicat_state::video_w)
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{
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switch(offset)
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{
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case 0x00:
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m_videoctrl->write(space,0,data);
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break;
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case 0x02:
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m_videoctrl->write(space,1,data);
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break;
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}
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}
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I8275_DISPLAY_PIXELS(wicat_display_pixels)
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{
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//wicat_state *state = device->machine().driver_data<wicat_state>();
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// TODO
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}
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// internal terminal
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static mc2661_interface wicat_uart0_intf =
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{
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0, // RXC
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0, // TXC
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DEVCB_NULL, // RXD in
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DEVCB_NULL, // RXD out
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DEVCB_CPU_INPUT_LINE("maincpu",M68K_IRQ_2), // RXRDY out
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DEVCB_NULL, // TXRDY out
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DEVCB_NULL, //DEVCB_DEVICE_LINE_MEMBER(RS232_TAG, rs232_port_device, rts_w), // RTS out
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DEVCB_NULL, //DEVCB_DEVICE_LINE_MEMBER(RS232_TAG, rs232_port_device, dtr_w), // DTR out
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DEVCB_CPU_INPUT_LINE("maincpu",M68K_IRQ_2), // TXEMT out
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DEVCB_NULL, // BKDET out
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DEVCB_NULL // XSYNC out
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};
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// RS232C ports (x5)
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static mc2661_interface wicat_uart1_intf =
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{
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0,
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0,
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DEVCB_DEVICE_LINE_MEMBER("serial1", serial_port_device, rx),
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DEVCB_DEVICE_LINE_MEMBER("serial1", serial_port_device, tx),
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DEVCB_CPU_INPUT_LINE("maincpu",M68K_IRQ_2), // RXRDY out
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DEVCB_NULL,
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DEVCB_DEVICE_LINE_MEMBER("serial1", rs232_port_device, rts_w),
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DEVCB_DEVICE_LINE_MEMBER("serial1", rs232_port_device, dtr_w),
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DEVCB_CPU_INPUT_LINE("maincpu",M68K_IRQ_2), // TXEMT out
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DEVCB_NULL,
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DEVCB_NULL
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};
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static mc2661_interface wicat_uart0_intf =
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static mc2661_interface wicat_uart2_intf =
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{
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0,
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0,
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DEVCB_DEVICE_LINE_MEMBER("serial2", serial_port_device, rx),
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DEVCB_DEVICE_LINE_MEMBER("serial2", serial_port_device, tx),
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DEVCB_CPU_INPUT_LINE("maincpu",M68K_IRQ_2), // RXRDY out
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DEVCB_NULL,
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DEVCB_DEVICE_LINE_MEMBER("serial2", rs232_port_device, rts_w),
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DEVCB_DEVICE_LINE_MEMBER("serial2", rs232_port_device, dtr_w),
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DEVCB_CPU_INPUT_LINE("maincpu",M68K_IRQ_2), // TXEMT out
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DEVCB_NULL,
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DEVCB_NULL
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};
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static mc2661_interface wicat_uart3_intf =
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{
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0,
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0,
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DEVCB_DEVICE_LINE_MEMBER("serial3", serial_port_device, rx),
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DEVCB_DEVICE_LINE_MEMBER("serial3", serial_port_device, tx),
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DEVCB_CPU_INPUT_LINE("maincpu",M68K_IRQ_2), // RXRDY out
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DEVCB_NULL,
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DEVCB_DEVICE_LINE_MEMBER("serial3", rs232_port_device, rts_w),
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DEVCB_DEVICE_LINE_MEMBER("serial3", rs232_port_device, dtr_w),
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DEVCB_CPU_INPUT_LINE("maincpu",M68K_IRQ_2), // TXEMT out
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DEVCB_NULL,
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DEVCB_NULL
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};
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static mc2661_interface wicat_uart4_intf =
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{
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0,
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0,
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DEVCB_DEVICE_LINE_MEMBER("serial4", serial_port_device, rx),
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DEVCB_DEVICE_LINE_MEMBER("serial4", serial_port_device, tx),
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DEVCB_CPU_INPUT_LINE("maincpu",M68K_IRQ_2), // RXRDY out
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DEVCB_NULL,
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DEVCB_DEVICE_LINE_MEMBER("serial4", rs232_port_device, rts_w),
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DEVCB_DEVICE_LINE_MEMBER("serial4", rs232_port_device, dtr_w),
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DEVCB_CPU_INPUT_LINE("maincpu",M68K_IRQ_2), // TXEMT out
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DEVCB_NULL,
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DEVCB_NULL
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};
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static mc2661_interface wicat_uart5_intf =
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{
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0,
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0,
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DEVCB_DEVICE_LINE_MEMBER("serial5", serial_port_device, rx),
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DEVCB_DEVICE_LINE_MEMBER("serial5", serial_port_device, tx),
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DEVCB_CPU_INPUT_LINE("maincpu",M68K_IRQ_2), // RXRDY out
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DEVCB_NULL,
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DEVCB_DEVICE_LINE_MEMBER("serial5", rs232_port_device, rts_w),
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DEVCB_DEVICE_LINE_MEMBER("serial5", rs232_port_device, dtr_w),
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DEVCB_CPU_INPUT_LINE("maincpu",M68K_IRQ_2), // TXEMT out
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DEVCB_NULL,
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DEVCB_NULL
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};
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// modem
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static mc2661_interface wicat_uart6_intf =
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{
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0, // RXC
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0, // TXC
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@ -189,19 +338,16 @@ static mc2661_interface wicat_uart0_intf =
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DEVCB_NULL // XSYNC out
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};
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static mc2661_interface wicat_unused_intf =
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struct im6402_interface wicat_video_uart_intf =
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{
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0,
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0,
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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_NULL,
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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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0, // RRC
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0, // TRC
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DEVCB_NULL, //m_in_rri_cb;
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DEVCB_NULL, //m_out_tro_cb;
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DEVCB_NULL, //m_out_dr_cb;
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DEVCB_NULL, //m_out_tbre_cb;
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DEVCB_NULL, //m_out_tre_cb;
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};
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static via6522_interface wicat_via_intf =
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@ -227,27 +373,70 @@ static mm58274c_interface wicat_rtc_intf =
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1 // first day
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};
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struct rs232_port_interface wicat_serial_intf =
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{
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DEVCB_NULL, // RX out
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DEVCB_NULL, // DCD out
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DEVCB_NULL, // DSR out
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DEVCB_NULL, // RI out
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DEVCB_NULL // CTS out
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};
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AM9517A_INTERFACE( wicat_videodma_intf )
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{
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DEVCB_NULL, // m_out_hreq_cb;
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DEVCB_NULL, // m_out_eop_cb;
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DEVCB_NULL, // m_in_memr_cb;
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DEVCB_NULL, // m_out_memw_cb;
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{ DEVCB_NULL,DEVCB_NULL,DEVCB_NULL,DEVCB_NULL }, // m_in_ior_cb[4];
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{ DEVCB_NULL,DEVCB_NULL,DEVCB_NULL,DEVCB_NULL }, // m_out_iow_cb[4];
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{ DEVCB_NULL,DEVCB_NULL,DEVCB_NULL,DEVCB_NULL } // m_out_dack_cb[4];
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};
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static MACHINE_CONFIG_START( wicat, wicat_state )
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/* basic machine hardware */
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MCFG_CPU_ADD("maincpu", M68000, XTAL_8MHz) // unknown clock
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MCFG_CPU_PROGRAM_MAP(wicat_mem)
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/* video hardware */
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MCFG_SERIAL_TERMINAL_ADD(TERMINAL_TAG, terminal_intf, XTAL_5_0688MHz)
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MCFG_VIA6522_ADD("via",XTAL_4MHz,wicat_via_intf)
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MCFG_MM58274C_ADD("rtc",wicat_rtc_intf) // actually an MM58174AN, but should be compatible
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MCFG_MC2661_ADD("uart0", XTAL_5_0688MHz, wicat_uart0_intf) // connected to terminal board (TODO)
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MCFG_MC2661_ADD("uart1", XTAL_5_0688MHz, wicat_unused_intf)
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MCFG_MC2661_ADD("uart2", XTAL_5_0688MHz, wicat_unused_intf)
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MCFG_MC2661_ADD("uart3", XTAL_5_0688MHz, wicat_unused_intf)
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MCFG_MC2661_ADD("uart4", XTAL_5_0688MHz, wicat_unused_intf)
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MCFG_MC2661_ADD("uart5", XTAL_5_0688MHz, wicat_unused_intf)
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MCFG_MC2661_ADD("uart6", XTAL_5_0688MHz, wicat_unused_intf) // connected to modem port
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MCFG_MC2661_ADD("uart1", XTAL_5_0688MHz, wicat_uart1_intf)
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MCFG_MC2661_ADD("uart2", XTAL_5_0688MHz, wicat_uart2_intf)
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MCFG_MC2661_ADD("uart3", XTAL_5_0688MHz, wicat_uart3_intf)
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MCFG_MC2661_ADD("uart4", XTAL_5_0688MHz, wicat_uart4_intf)
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MCFG_MC2661_ADD("uart5", XTAL_5_0688MHz, wicat_uart5_intf)
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MCFG_MC2661_ADD("uart6", XTAL_5_0688MHz, wicat_uart6_intf) // connected to modem port
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MCFG_RS232_PORT_ADD("serial1",wicat_serial_intf,default_rs232_devices,NULL)
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MCFG_RS232_PORT_ADD("serial2",wicat_serial_intf,default_rs232_devices,NULL)
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MCFG_RS232_PORT_ADD("serial3",wicat_serial_intf,default_rs232_devices,NULL)
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MCFG_RS232_PORT_ADD("serial4",wicat_serial_intf,default_rs232_devices,NULL)
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MCFG_RS232_PORT_ADD("serial5",wicat_serial_intf,default_rs232_devices,NULL)
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/* video hardware */
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MCFG_CPU_ADD("videocpu",Z8002,XTAL_8MHz) // AMD AMZ8002DC
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MCFG_CPU_PROGRAM_MAP(wicat_video_mem)
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MCFG_CPU_IO_MAP(wicat_video_io)
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MCFG_AM9517A_ADD("videodma", XTAL_8MHz, wicat_videodma_intf) // clock is a bit of guess
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MCFG_IM6402_ADD("videouart", wicat_video_uart_intf)
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// Also 2x INS2651 USARTs, not yet emulated
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MCFG_SCREEN_ADD("screen",RASTER)
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MCFG_SCREEN_SIZE(400,300)
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MCFG_SCREEN_VISIBLE_AREA(0,400-1,0,300-1)
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MCFG_SCREEN_REFRESH_RATE(60)
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MCFG_SCREEN_UPDATE_DEVICE("video",i8275x_device,screen_update)
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MCFG_I8275_ADD("video",XTAL_19_6608MHz/8,9,wicat_display_pixels,DEVWRITELINE("videodma",am9517a_device, dreq0_w))
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MCFG_DEFAULT_LAYOUT(layout_wicat)
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MACHINE_CONFIG_END
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/* ROM definition */
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@ -313,6 +502,7 @@ ROM_START( wicat )
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ROM_LOAD ("ascii.chr", 0x00000, 0x0800, CRC(43e26e37) SHA1(f3d5d16040c66f0e827f72a35d4694ca62950949) )
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ROM_LOAD ("apl.chr", 0x00800, 0x0800, CRC(8c6d698e) SHA1(147dd9296fe2efc6140fa148a6edf673c33f9371) )
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// Winchester Floppy Controller (Signetics N8X300I + FD1795)
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ROM_REGION(0x1800, "wd3", 0)
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ROM_LOAD ("wd3.u95", 0x00000, 0x0800, CRC(80bb0617) SHA1(ac0f3194fcbef77532571baa3fec78b3010528bf) )
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ROM_LOAD ("wd3.u96", 0x00800, 0x0800, CRC(52736e61) SHA1(71c7c9170c733c483393969cb1cb3798b3eb980c) )
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