// license:MAME
// copyright-holders:Robbbert
/***************************************************************************
Wicat - various systems.
2013-09-01 Skeleton driver
****************************************************************************/
/*
TODO:
- video DMA is done line by line and needs to be in perfect sync
*/
#include "bus/rs232/rs232.h"
#include "cpu/m68000/m68000.h"
#include "cpu/z8000/z8000.h"
#include "cpu/8x300/8x300.h"
#include "machine/6522via.h"
#include "machine/mm58274c.h"
#include "machine/mc2661.h"
#include "machine/im6402.h"
#include "video/i8275.h"
#include "machine/am9517a.h"
#include "machine/x2212.h"
#include "machine/wd_fdc.h"
#include "wicat.lh"
class wicat_state : public driver_device
{
public:
wicat_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_vram(*this, "vram"),
m_maincpu(*this, "maincpu"),
m_rtc(*this, "rtc"),
m_via(*this, "via"),
m_uart0(*this,"uart0"),
m_uart1(*this,"uart1"),
m_uart2(*this,"uart2"),
m_uart3(*this,"uart3"),
m_uart4(*this,"uart4"),
m_uart5(*this,"uart5"),
m_uart6(*this,"uart6"),
m_videocpu(*this,"videocpu"),
m_videoctrl(*this,"video"),
m_videodma(*this,"videodma"),
m_videouart0(*this,"videouart0"),
m_videouart1(*this,"videouart1"),
m_videouart(*this,"videouart"),
m_videosram(*this,"vsram"),
m_palette(*this, "palette"),
m_chargen(*this,"g2char"),
m_fdc(*this,"fdc")
{
}
DECLARE_READ16_MEMBER(invalid_r);
DECLARE_WRITE16_MEMBER(invalid_w);
DECLARE_READ16_MEMBER(memmap_r);
DECLARE_WRITE16_MEMBER(memmap_w);
DECLARE_WRITE16_MEMBER(parallel_led_w);
DECLARE_WRITE8_MEMBER(via_a_w);
DECLARE_WRITE8_MEMBER(via_b_w);
DECLARE_READ8_MEMBER(video_r);
DECLARE_WRITE8_MEMBER(video_w);
DECLARE_READ8_MEMBER(video_dma_r);
DECLARE_WRITE8_MEMBER(video_dma_w);
DECLARE_READ8_MEMBER(video_uart0_r);
DECLARE_WRITE8_MEMBER(video_uart0_w);
DECLARE_READ8_MEMBER(video_uart1_r);
DECLARE_WRITE8_MEMBER(video_uart1_w);
DECLARE_READ8_MEMBER(videosram_r);
DECLARE_WRITE8_MEMBER(videosram_w);
DECLARE_WRITE8_MEMBER(videosram_store_w);
DECLARE_WRITE8_MEMBER(videosram_recall_w);
DECLARE_READ8_MEMBER(video_timer_r);
DECLARE_WRITE8_MEMBER(video_timer_w);
DECLARE_READ8_MEMBER(vram_r);
DECLARE_WRITE8_MEMBER(vram_w);
DECLARE_READ8_MEMBER(video_ctrl_r);
DECLARE_WRITE8_MEMBER(video_ctrl_w);
DECLARE_READ8_MEMBER(video_status_r);
DECLARE_WRITE_LINE_MEMBER(dma_hrq_w);
DECLARE_WRITE_LINE_MEMBER(dma_nmi_cb);
DECLARE_WRITE_LINE_MEMBER(crtc_cb);
DECLARE_READ8_MEMBER(hdc_r);
DECLARE_WRITE8_MEMBER(hdc_w);
DECLARE_READ8_MEMBER(fdc_r);
DECLARE_WRITE8_MEMBER(fdc_w);
DECLARE_READ16_MEMBER(via_r);
DECLARE_WRITE16_MEMBER(via_w);
DECLARE_WRITE_LINE_MEMBER(kb_data_ready);
I8275_DRAW_CHARACTER_MEMBER(wicat_display_pixels);
required_shared_ptr<UINT8> m_vram;
required_device<m68000_device> m_maincpu;
required_device<mm58274c_device> m_rtc;
required_device<via6522_device> m_via;
required_device<mc2661_device> m_uart0;
required_device<mc2661_device> m_uart1;
required_device<mc2661_device> m_uart2;
required_device<mc2661_device> m_uart3;
required_device<mc2661_device> m_uart4;
required_device<mc2661_device> m_uart5;
required_device<mc2661_device> m_uart6;
required_device<cpu_device> m_videocpu;
required_device<i8275_device> m_videoctrl;
required_device<am9517a_device> m_videodma;
required_device<mc2661_device> m_videouart0;
required_device<mc2661_device> m_videouart1;
required_device<im6402_device> m_videouart;
required_device<x2210_device> m_videosram;
required_device<palette_device> m_palette;
required_memory_region m_chargen;
required_device<fd1795_t> m_fdc;
UINT32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect) { return 0; }
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
private:
virtual void machine_start();
virtual void machine_reset();
virtual void driver_start();
void poll_kb();
void send_key(UINT8 val);
emu_timer* m_video_timer;
emu_timer* m_kb_timer;
emu_timer* m_kb_serial_timer;
static const device_timer_id VIDEO_TIMER = 0;
static const device_timer_id KB_TIMER = 1;
static const device_timer_id KB_SERIAL_TIMER = 2;
UINT8 m_portA;
UINT8 m_portB;
bool m_video_timer_irq;
bool m_video_kb_irq;
UINT8 m_nmi_enable;
UINT8 m_crtc_irq;
UINT16 m_kb_data;
UINT8 m_kb_bit;
UINT32 m_kb_keys[8];
};
static ADDRESS_MAP_START(wicat_mem, AS_PROGRAM, 16, wicat_state)
ADDRESS_MAP_UNMAP_LOW
ADDRESS_MAP_GLOBAL_MASK(0xffffff)
AM_RANGE(0x000000, 0x001fff) AM_ROM AM_REGION("c2", 0x0000)
AM_RANGE(0x020000, 0x1fffff) AM_RAM
AM_RANGE(0x200000, 0x2fffff) AM_RAM
AM_RANGE(0x300000, 0xdfffff) AM_READWRITE(invalid_r,invalid_w)
AM_RANGE(0xeff800, 0xeffbff) AM_RAM // memory mapping SRAM, used during boot sequence for storing various data (TODO)
AM_RANGE(0xeffc00, 0xeffc01) AM_READWRITE(memmap_r,memmap_w)
AM_RANGE(0xf00000, 0xf00007) AM_DEVREADWRITE8("uart0",mc2661_device,read,write,0xff00) // UARTs
AM_RANGE(0xf00008, 0xf0000f) AM_DEVREADWRITE8("uart1",mc2661_device,read,write,0xff00)
AM_RANGE(0xf00010, 0xf00017) AM_DEVREADWRITE8("uart2",mc2661_device,read,write,0xff00)
AM_RANGE(0xf00018, 0xf0001f) AM_DEVREADWRITE8("uart3",mc2661_device,read,write,0xff00)
AM_RANGE(0xf00020, 0xf00027) AM_DEVREADWRITE8("uart4",mc2661_device,read,write,0xff00)
AM_RANGE(0xf00028, 0xf0002f) AM_DEVREADWRITE8("uart5",mc2661_device,read,write,0xff00)
AM_RANGE(0xf00030, 0xf00037) AM_DEVREADWRITE8("uart6",mc2661_device,read,write,0xff00)
AM_RANGE(0xf00040, 0xf0005f) AM_READWRITE(via_r, via_w)
AM_RANGE(0xf00060, 0xf0007f) AM_DEVREADWRITE8("rtc",mm58274c_device,read,write,0xff00)
AM_RANGE(0xf000d0, 0xf000d1) AM_WRITE(parallel_led_w)
AM_RANGE(0xf00180, 0xf0018f) AM_READWRITE8(hdc_r,hdc_w,0xffff) // WD1000
AM_RANGE(0xf00190, 0xf0019f) AM_READWRITE8(fdc_r,fdc_w,0xffff) // FD1795
AM_RANGE(0xf00f00, 0xf00fff) AM_READWRITE(invalid_r,invalid_w)
ADDRESS_MAP_END
static ADDRESS_MAP_START(wicat_video_mem, AS_PROGRAM, 16, wicat_state)
AM_RANGE(0x0000, 0x7fff) AM_ROM AM_REGION("g1", 0x0000)
AM_RANGE(0x8000, 0xffff) AM_RAM
ADDRESS_MAP_END
static ADDRESS_MAP_START(wicat_video_io, AS_IO, 8, wicat_state)
// these are largely wild guesses...
AM_RANGE(0x0000,0x0003) AM_READWRITE(video_timer_r,video_timer_w) // some sort of timer?
AM_RANGE(0x0100,0x0107) AM_READWRITE(video_uart0_r,video_uart0_w) // INS2651 UART #1
AM_RANGE(0x0200,0x0207) AM_READWRITE(video_uart1_r,video_uart1_w) // INS2651 UART #2
AM_RANGE(0x0304,0x0304) AM_READ(video_status_r)
AM_RANGE(0x0400,0x047f) AM_READWRITE(videosram_r,videosram_w) // XD2210 4-bit NOVRAM
AM_RANGE(0x0500,0x0500) AM_WRITE(videosram_recall_w)
AM_RANGE(0x0600,0x0600) AM_WRITE(videosram_store_w)
AM_RANGE(0x0800,0x080f) AM_READWRITE(video_ctrl_r,video_ctrl_w)
AM_RANGE(0x0a00,0x0a1f) AM_READWRITE(video_dma_r,video_dma_w) // AM9517A DMA
AM_RANGE(0x0b00,0x0b03) AM_READWRITE(video_r,video_w) // i8275 CRTC
AM_RANGE(0x0e00,0x0eff) AM_RAM
AM_RANGE(0x4000,0x5fff) AM_RAM AM_SHARE("vram") // video RAM?
AM_RANGE(0x8000,0x8fff) AM_ROM AM_REGION("g2char",0x0000)
AM_RANGE(0x9000,0x9fff) AM_ROM AM_REGION("g2char",0x0000)
ADDRESS_MAP_END
static ADDRESS_MAP_START(wicat_wd1000_mem, AS_PROGRAM, 16, wicat_state)
AM_RANGE(0x0000, 0x17ff) AM_ROM AM_REGION("wd3", 0x0000)
AM_RANGE(0x1800, 0x1fff) AM_NOP
ADDRESS_MAP_END
static ADDRESS_MAP_START(wicat_wd1000_io, AS_IO, 8, wicat_state)
AM_RANGE(0x0000, 0x00ff) AM_RAM // left bank - RAM
AM_RANGE(0x0100, 0x01ff) AM_RAM // right bank - I/O ports (TODO)
ADDRESS_MAP_END
/* Input ports */
static INPUT_PORTS_START( wicat )
PORT_START("kb0")
PORT_BIT(0x00000080,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Tab") PORT_CODE(KEYCODE_TAB) PORT_CHAR(7)
PORT_BIT(0x00000100,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Backspace") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8)
PORT_BIT(0x00002000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Retrn") PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13)
PORT_START("kb1")
PORT_BIT(0x00000001,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Space") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ')
PORT_BIT(0x00010000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("0") PORT_CODE(KEYCODE_0) PORT_CHAR('0')
PORT_BIT(0x00020000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("1") PORT_CODE(KEYCODE_1) PORT_CHAR('1')
PORT_BIT(0x00040000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("2") PORT_CODE(KEYCODE_2) PORT_CHAR('2')
PORT_BIT(0x00080000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("3") PORT_CODE(KEYCODE_3) PORT_CHAR('3')
PORT_BIT(0x00100000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("4") PORT_CODE(KEYCODE_4) PORT_CHAR('4')
PORT_BIT(0x00200000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("5") PORT_CODE(KEYCODE_5) PORT_CHAR('5')
PORT_BIT(0x00400000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("6") PORT_CODE(KEYCODE_6) PORT_CHAR('6')
PORT_BIT(0x00800000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("7") PORT_CODE(KEYCODE_7) PORT_CHAR('7')
PORT_BIT(0x01000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("8") PORT_CODE(KEYCODE_8) PORT_CHAR('8')
PORT_BIT(0x02000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("9") PORT_CODE(KEYCODE_9) PORT_CHAR('9')
PORT_START("kb2")
PORT_BIT(0x00000001,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("@") PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('@')
PORT_START("kb3")
PORT_BIT(0x00000002,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("A") PORT_CODE(KEYCODE_A) PORT_CHAR('A')
PORT_BIT(0x00000004,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("B") PORT_CODE(KEYCODE_B) PORT_CHAR('B')
PORT_BIT(0x00000008,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("C") PORT_CODE(KEYCODE_C) PORT_CHAR('C')
PORT_BIT(0x00000010,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("D") PORT_CODE(KEYCODE_D) PORT_CHAR('D')
PORT_BIT(0x00000020,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("E") PORT_CODE(KEYCODE_E) PORT_CHAR('E')
PORT_BIT(0x00000040,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("F") PORT_CODE(KEYCODE_F) PORT_CHAR('F')
PORT_BIT(0x00000080,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("G") PORT_CODE(KEYCODE_G) PORT_CHAR('G')
PORT_BIT(0x00000100,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("H") PORT_CODE(KEYCODE_H) PORT_CHAR('H')
PORT_BIT(0x00000200,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("I") PORT_CODE(KEYCODE_I) PORT_CHAR('I')
PORT_BIT(0x00000400,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("J") PORT_CODE(KEYCODE_J) PORT_CHAR('J')
PORT_BIT(0x00000800,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("K") PORT_CODE(KEYCODE_K) PORT_CHAR('K')
PORT_BIT(0x00001000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("L") PORT_CODE(KEYCODE_L) PORT_CHAR('L')
PORT_BIT(0x00002000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("M") PORT_CODE(KEYCODE_M) PORT_CHAR('M')
PORT_BIT(0x00004000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("N") PORT_CODE(KEYCODE_N) PORT_CHAR('N')
PORT_BIT(0x00008000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("O") PORT_CODE(KEYCODE_O) PORT_CHAR('O')
PORT_BIT(0x00010000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("P") PORT_CODE(KEYCODE_P) PORT_CHAR('P')
PORT_BIT(0x00020000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Q") PORT_CODE(KEYCODE_Q) PORT_CHAR('Q')
PORT_BIT(0x00040000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("R") PORT_CODE(KEYCODE_R) PORT_CHAR('R')
PORT_BIT(0x00080000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("S") PORT_CODE(KEYCODE_S) PORT_CHAR('S')
PORT_BIT(0x00100000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("T") PORT_CODE(KEYCODE_T) PORT_CHAR('T')
PORT_BIT(0x00200000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("U") PORT_CODE(KEYCODE_U) PORT_CHAR('U')
PORT_BIT(0x00400000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("V") PORT_CODE(KEYCODE_V) PORT_CHAR('V')
PORT_BIT(0x00800000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("W") PORT_CODE(KEYCODE_W) PORT_CHAR('W')
PORT_BIT(0x01000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("X") PORT_CODE(KEYCODE_X) PORT_CHAR('X')
PORT_BIT(0x02000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Y") PORT_CODE(KEYCODE_Y) PORT_CHAR('Y')
PORT_BIT(0x04000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Z") PORT_CODE(KEYCODE_Z) PORT_CHAR('Z')
PORT_BIT(0x80000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Unknown (7F)") PORT_CODE(KEYCODE_F4)
PORT_START("kb4")
PORT_START("kb5")
PORT_BIT(0x00000400,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Unknown (AA)") PORT_CODE(KEYCODE_F2)
PORT_BIT(0x00010000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Unknown (B0)") PORT_CODE(KEYCODE_F3)
PORT_START("kb6")
PORT_START("kb7")
PORT_BIT(0x40000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Set-up (FE)") PORT_CODE(KEYCODE_F1)
INPUT_PORTS_END
void wicat_state::driver_start()
{
m_video_timer = timer_alloc(VIDEO_TIMER);
m_kb_timer = timer_alloc(KB_TIMER);
m_kb_serial_timer = timer_alloc(KB_SERIAL_TIMER);
}
void wicat_state::machine_start()
{
}
void wicat_state::machine_reset()
{
// on the terminal board /DCD on both INS2651s are tied to GND
m_videouart0->dcd_w(0);
m_videouart1->dcd_w(0);
m_uart0->dcd_w(0);
m_uart1->dcd_w(0);
m_uart2->dcd_w(0);
m_uart3->dcd_w(0);
m_uart4->dcd_w(0);
m_uart5->dcd_w(0);
// initialise im6402 (terminal board)
m_videouart->cls1_w(1);
m_videouart->cls2_w(1);
m_videouart->pi_w(1);
m_videouart->sbs_w(0);
m_videouart->crl_w(1);
m_video_timer_irq = false;
m_video_kb_irq = false;
m_video_timer->adjust(attotime::zero,0,attotime::from_hz(60));
m_kb_timer->adjust(attotime::zero,0,attotime::from_msec(50));
m_nmi_enable = 0;
m_crtc_irq = CLEAR_LINE;
for(int x=0;x<8;x++)
m_kb_keys[x] = 0;
}
void wicat_state::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
{
switch (id)
{
case VIDEO_TIMER:
m_video_timer_irq = true;
m_videocpu->set_input_line(INPUT_LINE_IRQ0,ASSERT_LINE);
break;
case KB_TIMER:
poll_kb();
break;
case KB_SERIAL_TIMER:
m_videouart->write_rri((m_kb_data >> (m_kb_bit)) & 0x01);
m_kb_bit++;
if(m_kb_bit > 10)
{
m_kb_serial_timer->reset();
}
break;
}
}
void wicat_state::poll_kb()
{
UINT8 line;
UINT8 val = 0;
UINT8 x;
UINT32 data;
char kbtag[8];
for(line=0;line<8;line++)
{
sprintf(kbtag,"kb%i",line);
data = ioport(kbtag)->read();
for(x=0;x<32;x++)
{
if((data & (1<<x)) && !(m_kb_keys[line] & (1<<x)))
{
send_key(val);
m_kb_keys[line] |= (1 << x);
return;
}
m_kb_keys[line] &= ~(1 << x);
val++;
}
}
}
void wicat_state::send_key(UINT8 val)
{
// based on settings in the terminal NOVRAM, the keyboard is using 1200 baud, 7 bits, 2 stop bits
logerror("Sending key %i\n",val);
m_kb_data = 0x0001 | (val << 2);
m_kb_bit = 0;
m_kb_serial_timer->adjust(attotime::zero,0,attotime::from_hz(1200));
}
WRITE16_MEMBER( wicat_state::parallel_led_w )
{
// bit 0 - parallel port A direction (0 = input)
// bit 1 - parallel port B direction (0 = input)
output_set_value("led1",data & 0x0400);
output_set_value("led2",data & 0x0800);
output_set_value("led3",data & 0x1000);
output_set_value("led4",data & 0x2000);
output_set_value("led5",data & 0x4000);
output_set_value("led6",data & 0x8000);
}
WRITE8_MEMBER( wicat_state::via_a_w )
{
m_portA = data;
logerror("VIA: write %02x to port A\n",data);
}
WRITE8_MEMBER( wicat_state::via_b_w )
{
m_portB = data;
logerror("VIA: write %02x to port B\n",data);
}
READ16_MEMBER( wicat_state::invalid_r )
{
if(!space.debugger_access())
{
m_maincpu->set_buserror_details(0x300000+offset*2-2,0,m_maincpu->get_fc());
m_maincpu->set_input_line(M68K_LINE_BUSERROR, ASSERT_LINE);
m_maincpu->set_input_line(M68K_LINE_BUSERROR, CLEAR_LINE);
}
return 0xff;
}
WRITE16_MEMBER( wicat_state::invalid_w )
{
if(!space.debugger_access())
{
m_maincpu->set_buserror_details(0x300000+offset*2-2,1,m_maincpu->get_fc());
m_maincpu->set_input_line(M68K_LINE_BUSERROR, ASSERT_LINE);
m_maincpu->set_input_line(M68K_LINE_BUSERROR, CLEAR_LINE);
}
}
// TODO
READ16_MEMBER(wicat_state::memmap_r)
{
popmessage("Memory mapping register EFFC01 read!");
return 0xff;
}
WRITE16_MEMBER(wicat_state::memmap_w)
{
popmessage("Memory mapping register EFFC01 written!");
}
// WD1000 Winchester Disk controller (10MB 5 1/4" HD)
// for now, we'll just try to tell the system there is no HD
READ8_MEMBER(wicat_state::hdc_r)
{
switch(offset)
{
case 0x00: // Error register
return 0x00;
case 0x06: // Status register
return 0x05;
}
return 0x00;
}
WRITE8_MEMBER(wicat_state::hdc_w)
{
switch(offset)
{
case 0x00: // Write precomp / Error register
logerror("HDC: Write precomp %02x\n",data);
break;
case 0x01: // Data register
logerror("HDC: Data %02x\n",data);
break;
case 0x02: // Sector Number
logerror("HDC: Sector Number %02x\n",data);
break;
case 0x03: // Sector Count
logerror("HDC: Sector Count %02x\n",data);
break;
case 0x04: // Cylinder High
logerror("HDC: Cylinder High %02x\n",data);
break;
case 0x05: // Cylinder Low
logerror("HDC: Cylinder Low %02x\n",data);
break;
case 0x06: // Command register
logerror("HDC: Command %1x\n",(data & 0xf0) >> 4);
m_maincpu->set_input_line(M68K_IRQ_5,HOLD_LINE);
break;
case 0x07: // Size / Drive / Head
logerror("HDC: Size / Drive / Head %02x\n",data);
break;
case 0x0c: // DMA bits 9-16
logerror("HDC: DMA address mid %02x\n",data);
break;
case 0x0d: // DMA bits 1-8 (bit 0 cannot be set)
logerror("HDC: DMA address low %02x\n",data);
break;
case 0x0e: // DMA R/W
logerror("HDC: DMA R/W %02x\n",data);
break;
case 0x0f: // DMA bits 17-23
logerror("HDC: DMA address high %02x\n",data);
break;
default:
logerror("HDC: Write to unknown register %02x\n",data);
}
}
READ8_MEMBER(wicat_state::fdc_r)
{
UINT8 ret = 0x00;
popmessage("FDC: read offset %02x",offset);
switch(offset)
{
case 0x00:
ret = m_fdc->status_r(space,0);
break;
case 0x01:
ret = m_fdc->track_r(space,0);
break;
case 0x02:
ret = m_fdc->sector_r(space,0);
break;
case 0x03:
ret = m_fdc->data_r(space,0);
break;
case 0x08:
// Interrupt status (TODO, not part of the FD1795)
break;
}
return ret;
}
WRITE8_MEMBER(wicat_state::fdc_w)
{
popmessage("FDC: write offset %02x data %02x",offset,data);
switch(offset)
{
case 0x00:
m_fdc->cmd_w(space,0,data);
break;
case 0x01:
m_fdc->track_w(space,0,data);
break;
case 0x02:
m_fdc->sector_w(space,0,data);
break;
case 0x03:
m_fdc->data_w(space,0,data);
break;
case 0x08:
// Interrupt disable / Drive select (TODO, not part of the FD1795)
break;
}
}
READ16_MEMBER(wicat_state::via_r)
{
if(ACCESSING_BITS_0_7)
return m_via->read(space,offset);
return 0x00;
}
WRITE16_MEMBER(wicat_state::via_w)
{
if(ACCESSING_BITS_0_7)
m_via->write(space,offset,data);
else if(ACCESSING_BITS_8_15)
m_via->write(space,offset,data>>8);
}
READ8_MEMBER(wicat_state::video_r)
{
switch(offset)
{
case 0x00:
return m_videoctrl->read(space,0);
case 0x02:
return m_videoctrl->read(space,1);
default:
return 0xff;
}
}
WRITE8_MEMBER(wicat_state::video_w)
{
switch(offset)
{
case 0x00:
m_videoctrl->write(space,0,data);
break;
case 0x02:
m_videoctrl->write(space,1,data);
break;
}
}
READ8_MEMBER( wicat_state::vram_r )
{
return m_videocpu->space(AS_IO).read_byte(offset*2);
}
WRITE8_MEMBER( wicat_state::vram_w )
{
m_videocpu->space(AS_IO).write_byte(offset*2,data);
}
READ8_MEMBER(wicat_state::video_dma_r)
{
return m_videodma->read(space,offset/2);
}
WRITE8_MEMBER(wicat_state::video_dma_w)
{
if(!(offset & 0x01))
m_videodma->write(space,offset/2,data);
}
READ8_MEMBER(wicat_state::video_uart0_r)
{
UINT16 noff = offset >> 1;
return m_videouart0->read(space,noff);
}
WRITE8_MEMBER(wicat_state::video_uart0_w)
{
UINT16 noff = offset >> 1;
m_videouart0->write(space,noff,data);
}
READ8_MEMBER(wicat_state::video_uart1_r)
{
UINT16 noff = offset >> 1;
return m_videouart1->read(space,noff);
}
WRITE8_MEMBER(wicat_state::video_uart1_w)
{
UINT16 noff = offset >> 1;
m_videouart1->write(space,noff,data);
}
// XD2210 64 x 4bit NOVRAM
READ8_MEMBER(wicat_state::videosram_r)
{
if(offset & 0x01)
return 0xff;
else
return m_videosram->read(space,offset/2);
}
WRITE8_MEMBER(wicat_state::videosram_w)
{
if(!(offset & 0x01))
m_videosram->write(space,offset/2,data);
}
WRITE8_MEMBER(wicat_state::videosram_store_w)
{
if(data & 0x01) // unsure of the actual bit checked, the terminal code just writes 0xff
{
m_videosram->store(1);
m_videosram->store(0);
logerror("XD2210: Store triggered.\n");
}
}
WRITE8_MEMBER(wicat_state::videosram_recall_w)
{
if(data & 0x01) // unsure of the actual bit checked, the terminal code just writes 0xff
{
m_videosram->recall(1);
m_videosram->recall(0);
logerror("XD2210: Store triggered.\n");
}
}
READ8_MEMBER(wicat_state::video_timer_r)
{
UINT8 ret = 0x00;
if(offset == 0x00)
{
if(m_video_timer_irq)
{
ret |= 0x08;
m_video_timer_irq = false;
m_videocpu->set_input_line(INPUT_LINE_IRQ0,CLEAR_LINE);
}
if(m_video_kb_irq)
{
ret |= 0x10;
m_video_kb_irq = false;
m_videocpu->set_input_line(INPUT_LINE_IRQ0,CLEAR_LINE);
}
}
if(offset == 0x02)
return m_videouart->read(space,0);
return ret;
}
WRITE8_MEMBER(wicat_state::video_timer_w)
{
logerror("I/O port 0x%04x write %02x\n",offset,data);
if(offset == 0x02)
m_videouart->write(space,0,data);
}
READ8_MEMBER(wicat_state::video_ctrl_r)
{
return 0x00; // TODO
}
WRITE8_MEMBER(wicat_state::video_ctrl_w)
{
if(offset == 0x07)
m_nmi_enable = data;
}
READ8_MEMBER(wicat_state::video_status_r)
{
// this port is read in the NVI IRQ routine, which if bit 2 is set, will unmask DMA channel 0. But no idea what triggers it...
if(m_crtc_irq == ASSERT_LINE)
{
m_crtc_irq = CLEAR_LINE;
m_videocpu->set_input_line(INPUT_LINE_IRQ0,CLEAR_LINE);
return 0x04;
}
else
return 0x00;
}
WRITE_LINE_MEMBER(wicat_state::dma_hrq_w)
{
m_videocpu->set_input_line(INPUT_LINE_HALT,state ? ASSERT_LINE : CLEAR_LINE);
m_videodma->hack_w(state);
}
WRITE_LINE_MEMBER(wicat_state::dma_nmi_cb)
{
if(state)
{
if(m_nmi_enable != 0)
m_videocpu->set_input_line(INPUT_LINE_NMI,PULSE_LINE);
}
}
WRITE_LINE_MEMBER(wicat_state::kb_data_ready)
{
m_video_kb_irq = state ? ASSERT_LINE : CLEAR_LINE;
m_videocpu->set_input_line(INPUT_LINE_IRQ0,m_video_kb_irq);
}
WRITE_LINE_MEMBER(wicat_state::crtc_cb)
{
m_crtc_irq = state ? ASSERT_LINE : CLEAR_LINE;
m_videocpu->set_input_line(INPUT_LINE_IRQ0,m_crtc_irq);
}
I8275_DRAW_CHARACTER_MEMBER(wicat_state::wicat_display_pixels)
{
UINT8 romdata = m_chargen->base()[((charcode << 4) | linecount) + 1];
const pen_t *pen = m_palette->pens();
for (int i = 0; i < 8; i++)
{
int color = (romdata >> (7-i)) & 0x01;
if(vsp || linecount > 9)
color = 0;
bitmap.pix32(y, x + i) = pen[color];
}
}
static MACHINE_CONFIG_START( wicat, wicat_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", M68000, XTAL_8MHz)
MCFG_CPU_PROGRAM_MAP(wicat_mem)
MCFG_DEVICE_ADD("via", VIA6522, XTAL_8MHz)
MCFG_VIA6522_WRITEPA_HANDLER(WRITE8(wicat_state, via_a_w))
MCFG_VIA6522_WRITEPB_HANDLER(WRITE8(wicat_state, via_b_w))
MCFG_VIA6522_IRQ_HANDLER(INPUTLINE("maincpu", M68K_IRQ_1))
MCFG_DEVICE_ADD("rtc", MM58274C, 0) // actually an MM58174AN, but should be compatible
MCFG_MM58274C_MODE24(0) // 12 hour
MCFG_MM58274C_DAY1(1) // monday
// internal terminal
MCFG_DEVICE_ADD("uart0", MC2661, XTAL_5_0688MHz) // connected to terminal board
MCFG_MC2661_TXD_HANDLER(DEVWRITELINE("videouart0", mc2661_device, rx_w))
MCFG_MC2661_RXRDY_HANDLER(INPUTLINE("maincpu", M68K_IRQ_2))
MCFG_MC2661_RTS_HANDLER(DEVWRITELINE("videouart0", mc2661_device, cts_w))
MCFG_MC2661_DTR_HANDLER(DEVWRITELINE("videouart0", mc2661_device, dsr_w))
// RS232C ports (x5)
MCFG_DEVICE_ADD("uart1", MC2661, XTAL_5_0688MHz)
MCFG_MC2661_TXD_HANDLER(DEVWRITELINE("serial1", rs232_port_device, write_txd))
MCFG_MC2661_RXRDY_HANDLER(INPUTLINE("maincpu", M68K_IRQ_2))
MCFG_MC2661_RTS_HANDLER(DEVWRITELINE("serial1", rs232_port_device, write_rts))
MCFG_MC2661_DTR_HANDLER(DEVWRITELINE("serial1", rs232_port_device, write_dtr))
MCFG_MC2661_TXEMT_DSCHG_HANDLER(INPUTLINE("maincpu", M68K_IRQ_2))
MCFG_DEVICE_ADD("uart2", MC2661, XTAL_5_0688MHz)
MCFG_MC2661_TXD_HANDLER(DEVWRITELINE("serial2", rs232_port_device, write_txd))
MCFG_MC2661_RXRDY_HANDLER(INPUTLINE("maincpu", M68K_IRQ_2))
MCFG_MC2661_RTS_HANDLER(DEVWRITELINE("serial2", rs232_port_device, write_rts))
MCFG_MC2661_DTR_HANDLER(DEVWRITELINE("serial2", rs232_port_device, write_dtr))
MCFG_DEVICE_ADD("uart3", MC2661, XTAL_5_0688MHz)
MCFG_MC2661_TXD_HANDLER(DEVWRITELINE("serial3", rs232_port_device, write_txd))
MCFG_MC2661_RXRDY_HANDLER(INPUTLINE("maincpu", M68K_IRQ_2))
MCFG_MC2661_RTS_HANDLER(DEVWRITELINE("serial3", rs232_port_device, write_rts))
MCFG_MC2661_DTR_HANDLER(DEVWRITELINE("serial3", rs232_port_device, write_dtr))
MCFG_MC2661_TXEMT_DSCHG_HANDLER(INPUTLINE("maincpu", M68K_IRQ_2))
MCFG_DEVICE_ADD("uart4", MC2661, XTAL_5_0688MHz)
MCFG_MC2661_TXD_HANDLER(DEVWRITELINE("serial4", rs232_port_device, write_txd))
MCFG_MC2661_RXRDY_HANDLER(INPUTLINE("maincpu", M68K_IRQ_2))
MCFG_MC2661_RTS_HANDLER(DEVWRITELINE("serial4", rs232_port_device, write_rts))
MCFG_MC2661_DTR_HANDLER(DEVWRITELINE("serial4", rs232_port_device, write_dtr))
MCFG_MC2661_TXEMT_DSCHG_HANDLER(INPUTLINE("maincpu", M68K_IRQ_2))
MCFG_DEVICE_ADD("uart5", MC2661, XTAL_5_0688MHz)
MCFG_MC2661_TXD_HANDLER(DEVWRITELINE("serial5", rs232_port_device, write_txd))
MCFG_MC2661_RXRDY_HANDLER(INPUTLINE("maincpu", M68K_IRQ_2))
MCFG_MC2661_RTS_HANDLER(DEVWRITELINE("serial5", rs232_port_device, write_rts))
MCFG_MC2661_DTR_HANDLER(DEVWRITELINE("serial5", rs232_port_device, write_dtr))
MCFG_MC2661_TXEMT_DSCHG_HANDLER(INPUTLINE("maincpu", M68K_IRQ_2))
// modem
MCFG_DEVICE_ADD("uart6", MC2661, XTAL_5_0688MHz) // connected to modem port
MCFG_MC2661_RXRDY_HANDLER(INPUTLINE("maincpu", M68K_IRQ_2))
MCFG_MC2661_TXEMT_DSCHG_HANDLER(INPUTLINE("maincpu", M68K_IRQ_2))
MCFG_RS232_PORT_ADD("serial1",default_rs232_devices,NULL)
MCFG_RS232_RXD_HANDLER(DEVWRITELINE("uart1",mc2661_device,rx_w))
MCFG_RS232_DCD_HANDLER(DEVWRITELINE("uart1",mc2661_device,dcd_w))
MCFG_RS232_DSR_HANDLER(DEVWRITELINE("uart1",mc2661_device,dsr_w))
MCFG_RS232_CTS_HANDLER(DEVWRITELINE("uart1",mc2661_device,cts_w))
MCFG_RS232_PORT_ADD("serial2",default_rs232_devices,NULL)
MCFG_RS232_RXD_HANDLER(DEVWRITELINE("uart2",mc2661_device,rx_w))
MCFG_RS232_DCD_HANDLER(DEVWRITELINE("uart2",mc2661_device,dcd_w))
MCFG_RS232_DSR_HANDLER(DEVWRITELINE("uart2",mc2661_device,dsr_w))
MCFG_RS232_CTS_HANDLER(DEVWRITELINE("uart2",mc2661_device,cts_w))
MCFG_RS232_PORT_ADD("serial3",default_rs232_devices,NULL)
MCFG_RS232_RXD_HANDLER(DEVWRITELINE("uart3",mc2661_device,rx_w))
MCFG_RS232_DCD_HANDLER(DEVWRITELINE("uart3",mc2661_device,dcd_w))
MCFG_RS232_DSR_HANDLER(DEVWRITELINE("uart3",mc2661_device,dsr_w))
MCFG_RS232_CTS_HANDLER(DEVWRITELINE("uart3",mc2661_device,cts_w))
MCFG_RS232_PORT_ADD("serial4",default_rs232_devices,NULL)
MCFG_RS232_RXD_HANDLER(DEVWRITELINE("uart4",mc2661_device,rx_w))
MCFG_RS232_DCD_HANDLER(DEVWRITELINE("uart4",mc2661_device,dcd_w))
MCFG_RS232_DSR_HANDLER(DEVWRITELINE("uart4",mc2661_device,dsr_w))
MCFG_RS232_CTS_HANDLER(DEVWRITELINE("uart4",mc2661_device,cts_w))
MCFG_RS232_PORT_ADD("serial5",default_rs232_devices,NULL)
MCFG_RS232_RXD_HANDLER(DEVWRITELINE("uart5",mc2661_device,rx_w))
MCFG_RS232_DCD_HANDLER(DEVWRITELINE("uart5",mc2661_device,dcd_w))
MCFG_RS232_DSR_HANDLER(DEVWRITELINE("uart5",mc2661_device,dsr_w))
MCFG_RS232_CTS_HANDLER(DEVWRITELINE("uart5",mc2661_device,cts_w))
/* video hardware */
MCFG_CPU_ADD("videocpu",Z8002,XTAL_8MHz/2) // AMD AMZ8002DC
MCFG_CPU_PROGRAM_MAP(wicat_video_mem)
MCFG_CPU_IO_MAP(wicat_video_io)
MCFG_DEVICE_ADD("videodma", AM9517A, XTAL_8MHz) // clock is a bit of guess
MCFG_AM9517A_OUT_HREQ_CB(WRITELINE(wicat_state, dma_hrq_w))
MCFG_AM9517A_OUT_EOP_CB(WRITELINE(wicat_state, dma_nmi_cb))
MCFG_AM9517A_IN_MEMR_CB(READ8(wicat_state, vram_r))
MCFG_AM9517A_OUT_MEMW_CB(WRITE8(wicat_state, vram_w))
MCFG_AM9517A_OUT_IOW_0_CB(DEVWRITE8("video", i8275_device, dack_w))
MCFG_IM6402_ADD("videouart", 0, 0)
MCFG_IM6402_DR_CALLBACK(WRITELINE(wicat_state, kb_data_ready))
// terminal (2x INS2651, 1x IM6042 - one of these is for the keyboard, another communicates with the main board, the third is unknown)
MCFG_DEVICE_ADD("videouart0", MC2661, XTAL_5_0688MHz) // the INS2651 looks similar enough to the MC2661...
MCFG_MC2661_TXD_HANDLER(DEVWRITELINE("uart0", mc2661_device, rx_w))
MCFG_MC2661_RXRDY_HANDLER(INPUTLINE("videocpu", INPUT_LINE_IRQ0))
MCFG_MC2661_RTS_HANDLER(DEVWRITELINE("uart0", mc2661_device, cts_w))
MCFG_MC2661_DTR_HANDLER(DEVWRITELINE("uart0", mc2661_device, dsr_w))
MCFG_DEVICE_ADD("videouart1", MC2661, XTAL_5_0688MHz)
MCFG_MC2661_RXC(19200)
MCFG_MC2661_TXC(19200)
MCFG_MC2661_RXRDY_HANDLER(INPUTLINE("videocpu", INPUT_LINE_IRQ0))
MCFG_X2210_ADD("vsram") // XD2210
MCFG_SCREEN_ADD("screen",RASTER)
MCFG_SCREEN_SIZE(720,300)
MCFG_SCREEN_VISIBLE_AREA(0,720-1,0,300-1)
MCFG_SCREEN_REFRESH_RATE(60)
MCFG_SCREEN_UPDATE_DEVICE("video",i8275_device,screen_update)
MCFG_PALETTE_ADD_MONOCHROME_GREEN("palette")
MCFG_DEVICE_ADD("video", I8275, XTAL_19_6608MHz/8)
MCFG_I8275_CHARACTER_WIDTH(9)
MCFG_I8275_DRAW_CHARACTER_CALLBACK_OWNER(wicat_state, wicat_display_pixels)
MCFG_I8275_DRQ_CALLBACK(DEVWRITELINE("videodma",am9517a_device, dreq0_w))
MCFG_I8275_IRQ_CALLBACK(WRITELINE(wicat_state,crtc_cb))
MCFG_VIDEO_SET_SCREEN("screen")
MCFG_DEFAULT_LAYOUT(layout_wicat)
/* Winchester Disk Controller (WD1000 + FD1795) */
MCFG_CPU_ADD("wd1kcpu",N8X300,XTAL_8MHz)
MCFG_CPU_PROGRAM_MAP(wicat_wd1000_mem)
MCFG_CPU_IO_MAP(wicat_wd1000_io)
MCFG_FD1795x_ADD("fdc",XTAL_8MHz)
MACHINE_CONFIG_END
/* ROM definition */
ROM_START( wicat )
ROM_REGION16_BE(0x4000, "c1", 0)
ROM_LOAD16_BYTE("wiboot.e", 0x00000, 0x0800, CRC(6f0f73c6) SHA1(be635bf3ffa1301f844a3d5560e278de46740d19) )
ROM_LOAD16_BYTE("wiboot.o", 0x00001, 0x0800, CRC(b9763bbd) SHA1(68f497be56ff69534e17b41a40737cd6f708d65e) )
ROM_LOAD16_BYTE("tpcnif.e", 0x01000, 0x0800, CRC(fd1127ec) SHA1(7c6b436c0cea41dbb23cb6bd9b9a5c21fa61d232) )
ROM_LOAD16_BYTE("tpcnif.o", 0x01001, 0x0800, CRC(caa16e2a) SHA1(b3e64b676f50b65b3e365fc5f17eb1759c1310df) )
ROM_LOAD16_BYTE("tpcf.e", 0x02000, 0x0800, CRC(d34be25c) SHA1(1b167918cbc19c9364f020176f4cc3722cba8434) )
ROM_LOAD16_BYTE("tpcf.o", 0x02001, 0x0800, CRC(7712c570) SHA1(8743b7c98190ecf3bf7e917e6143b47b3b36db8d) )
ROM_REGION(0x0060, "c1proms", 0)
ROM_LOAD ("cpu.8b", 0x00000, 0x0020, CRC(99b90665) SHA1(8a4677ea814e1843001fe28b284226b7291cdf76) )
ROM_LOAD ("cpu.8c", 0x00020, 0x0020, CRC(190a55ad) SHA1(de8a847bff8c343d69b853a215e6ee775ef2ef96) )
ROM_LOAD ("cpu.15c", 0x00040, 0x0020, CRC(ba2dd77d) SHA1(eb693d6d30aa6a9dba61c6c41a75614ed4e9e69a) )
// System 150 CPU/MU board
ROM_REGION16_BE(0x2000, "c2", 0)
ROM_LOAD16_BYTE("boot156.a5", 0x00000, 0x0800, CRC(58510a52) SHA1(d2135b056a04ba830b0ae1cef539e4a9a1b58f82) )
ROM_LOAD16_BYTE("boot156.a7", 0x00001, 0x0800, CRC(e53999f1) SHA1(9c6c6a3a56b5c16a35e1fe824f37c8ae739ebcb9) )
ROM_LOAD16_BYTE("wd3_15.b5", 0x01000, 0x0800, CRC(a765899b) SHA1(8427c564029914b7dbc29768ce451604180e390f) )
ROM_LOAD16_BYTE("wd3_15.b7", 0x01001, 0x0800, CRC(9d986585) SHA1(1ac7579c692f827b121c56dac0a77b15400caba1) )
// Terminal CPU board (Graphical)
// "MG8000 VERSION 3.0"
ROM_REGION16_BE(0x8000, "g1", 0)
ROM_LOAD16_BYTE("1term0.e", 0x00000, 0x0800, CRC(a9aade37) SHA1(644e9362d5a9523be5c6f39a650b574735dbd4a2) )
ROM_LOAD16_BYTE("1term0.o", 0x00001, 0x0800, CRC(8026b5b7) SHA1(cb93e0595b321889694cbb87f497d244e6a2d648) )
ROM_LOAD16_BYTE("1term1.e", 0x01000, 0x0800, CRC(e6ce8016) SHA1(fae987f1ac26d027ed176f8886832e87d1feae60) )
ROM_LOAD16_BYTE("1term1.o", 0x01001, 0x0800, CRC(d71f763e) SHA1(b0a7f4cc90ce267aec7e72ad22a227f0c8c1f650) )
ROM_LOAD16_BYTE("1term2.e", 0x02000, 0x0800, CRC(c0e82703) SHA1(7a17da13c01e15b61eea65b06d988ab8ba7eaaf3) )
ROM_LOAD16_BYTE("1term2.o", 0x02001, 0x0800, CRC(aa0d5b4f) SHA1(b37c2e5220f4838a805b20a0ef21689067f1a759) )
ROM_LOAD16_BYTE("1term3.e", 0x03000, 0x0800, CRC(cd33f4c8) SHA1(6603c5f2330a9a5ec1121a367cebe6e900a00cb0) )
ROM_LOAD16_BYTE("1term3.o", 0x03001, 0x0800, CRC(05e56714) SHA1(0c31be3c9ec90a0858fe04a208e2627e4beb12b0) )
ROM_LOAD16_BYTE("1term4.e", 0x04000, 0x0800, CRC(a157c61f) SHA1(59b7be6cd696b2508b5c1fd7b6e6f7cb5a9f12ab) )
ROM_LOAD16_BYTE("1term4.o", 0x04001, 0x0800, CRC(364c1a95) SHA1(bfd62a71c9d8f83dc12a7dbbf362d18819380ef3) )
ROM_LOAD16_BYTE("1term5.e", 0x05000, 0x0800, CRC(c2b8bc9e) SHA1(cd054988a9694b3a211e1993da1b3dc2c5e6fdc2) )
ROM_LOAD16_BYTE("1term5.o", 0x05001, 0x0800, CRC(421e0521) SHA1(29b87938f5c25c05920ca2c14893700bc45a86c5) )
ROM_LOAD16_BYTE("1term6.e", 0x06000, 0x0800, CRC(f0d14ed6) SHA1(840acc2b90e8d16df7e5d60c399b08ec0e126a88) )
ROM_LOAD16_BYTE("1term6.o", 0x06001, 0x0800, CRC(e245ff49) SHA1(9a34e6cf6013b1044cccf26371cc3a000f17b58c) )
ROM_LOAD16_BYTE("1term7.e", 0x07000, 0x0800, CRC(0c918550) SHA1(2ef6ce41cc2643d45c4bae31ce151d8b6c363471) )
ROM_LOAD16_BYTE("1term7.o", 0x07001, 0x0800, CRC(71fdc692) SHA1(d6f12ec20ff2e4948f54b0c79f11ccbdc9db865c) )
ROM_REGION(0x40, "vsram", 0)
ROM_LOAD ("ee8-82.bin", 0x00000, 0x0040, CRC(dfb4b0fb) SHA1(12304f5c5236791f5e931d9e49b4a70dcbba55c0) )
// "MG8000 VERSION 1.1"
ROM_REGION16_BE(0x8000, "g2", 0)
ROM_LOAD16_BYTE("2term0.e", 0x00000, 0x0800, CRC(29e5dd68) SHA1(9023f53d554b9ef4f4efc731645ba42f728bcd2c) )
ROM_LOAD16_BYTE("2term0.o", 0x00001, 0x0800, CRC(91edd05d) SHA1(378b06fc8316199b7c580a6e7f28368dacdac5a9) )
ROM_LOAD16_BYTE("2term1.e", 0x01000, 0x0800, CRC(2b48abe4) SHA1(4c9b4db1c1408b6551d50172dda994b36a2ee4b1) )
ROM_LOAD16_BYTE("2term1.o", 0x01001, 0x0800, CRC(4c0e4f95) SHA1(bd49bf71fea1acfd50781820f0a650411b6f996b) )
ROM_LOAD16_BYTE("2term2.e", 0x02000, 0x0800, CRC(3251324b) SHA1(e8f52308c9cbb9bcb5adb2685609d6a69b9eec1d) )
ROM_LOAD16_BYTE("2term2.o", 0x02001, 0x0800, CRC(3a49c9e7) SHA1(0718b029ed316bc8e7bf22b0e94b6b5628758580) )
ROM_LOAD16_BYTE("2term3.e", 0x03000, 0x0800, CRC(0f17be85) SHA1(9c40b4d06f3fb8def88b87615a590bb03dcfc4f4) )
ROM_LOAD16_BYTE("2term3.o", 0x03001, 0x0800, CRC(08ae31c5) SHA1(2e53f87b6a4e0b973f7918d97f57f6560c651ab6) )
ROM_LOAD16_BYTE("2term4.e", 0x04000, 0x0800, CRC(413936e7) SHA1(ce9d8666ca4e6847514bcf4de5703f0845e72928) )
ROM_LOAD16_BYTE("2term4.o", 0x04001, 0x0800, CRC(06deab4e) SHA1(af5be7105a24d81dcc539296631b4309f7b8cb3f) )
ROM_LOAD16_BYTE("2term5.e", 0x05000, 0x0800, CRC(7979bf59) SHA1(1bc397c58ce026fb90a02714d42df8f179a4f50e) )
ROM_LOAD16_BYTE("2term5.o", 0x05001, 0x0800, CRC(e1f738ca) SHA1(bd8d7f1acb243880fd364f71097b9711de496739) )
ROM_LOAD16_BYTE("2term6.e", 0x06000, 0x0800, CRC(bb04d70c) SHA1(0b482c2f06fe5e042a5813f027f5cf034d72e0dd) )
ROM_LOAD16_BYTE("2term6.o", 0x06001, 0x0800, CRC(0afb566c) SHA1(761455ced46b6fccd0be9c8fa920f7954a36972b) )
ROM_LOAD16_BYTE("2term7.e", 0x07000, 0x0800, CRC(033ea830) SHA1(27c33eea2df812a1a96e2f47ba7993e2ca3675ad) )
ROM_LOAD16_BYTE("2term7.o", 0x07001, 0x0800, CRC(e157c5d2) SHA1(3cd1ea0fb9df1358e8a358468a4df5e4eaaa86a2) )
ROM_REGION(0x40, "g2novram", 0)
ROM_LOAD ("ee2-2.bin", 0x00000, 0x0040, CRC(8f265118) SHA1(6bd74e3d01cf85cca1abcc15cb229dbd63022978) )
// Terminal Video board
ROM_REGION(0x1000, "g2char", 0)
ROM_LOAD ("ascii.chr", 0x00000, 0x0800, CRC(43e26e37) SHA1(f3d5d16040c66f0e827f72a35d4694ca62950949) )
ROM_LOAD ("apl.chr", 0x00800, 0x0800, CRC(8c6d698e) SHA1(147dd9296fe2efc6140fa148a6edf673c33f9371) )
// Winchester Disk Controller (WD1000 (comprised of an 8X300 + some WD1100-xx bits), FD1795 (FDC))
ROM_REGION16_BE(0x1800, "wd3", 0)
ROM_LOAD16_BYTE("wd3.u96", 0x00000, 0x0800, CRC(52736e61) SHA1(71c7c9170c733c483393969cb1cb3798b3eb980c) ) // 8X300 code even
ROM_LOAD16_BYTE("wd3.u97", 0x00001, 0x0800, CRC(a66619ec) SHA1(5d091ac7c88f2f45b4a05e78bfc7a16c206b31ff) ) // 8X300 code odd
ROM_LOAD ("wd3.u95", 0x01000, 0x0800, CRC(80bb0617) SHA1(ac0f3194fcbef77532571baa3fec78b3010528bf) ) // "Fast IO select" bytes
ROM_END
/* Driver */
/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */
COMP( 1982, wicat, 0, 0, wicat, wicat, driver_device, 0, "Millennium Systems", "Wicat System 150", GAME_NOT_WORKING | GAME_NO_SOUND_HW )