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https://github.com/holub/mame
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(mess) slicer: add slicer 80186 single board computer [Carl]
---- An issue with wd_fdc prevents it from currently booting floppies.
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cracyc
parent
0328251082
commit
da795dfbae
140
src/mess/drivers/slicer.c
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140
src/mess/drivers/slicer.c
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@ -0,0 +1,140 @@
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// Slicer Computers Slicer 80186 SBC
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// The bios makefile refers to a "exe3bin" utility, this can be substituted with FreeDOS exe2bin and the /l=0xf800 option
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// which will fixup the relocations
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#include "emu.h"
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#include "cpu/i86/i186.h"
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#include "machine/wd_fdc.h"
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#include "machine/mc68681.h"
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#include "bus/rs232/rs232.h"
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#include "bus/isa/isa.h"
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#include "bus/scsi/scsi.h"
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class slicer_state : public driver_device
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{
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public:
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slicer_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_fdc(*this, "fdc"),
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m_sasi(*this, "sasi")
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{}
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required_device<fd1797_t> m_fdc;
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required_device<SCSI_PORT_DEVICE> m_sasi;
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DECLARE_WRITE8_MEMBER(sio_out_w);
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DECLARE_WRITE8_MEMBER(drive_sel_w);
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};
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WRITE8_MEMBER(slicer_state::sio_out_w)
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{
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floppy_image_device *floppy;
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int state = (data & 0x80) ? 0 : 1;
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char devname[8];
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for(int i = 0; i < 4; i++)
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{
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sprintf(devname, "%d", i);
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floppy = m_fdc->subdevice<floppy_connector>(devname)->get_device();
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if(floppy)
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floppy->mon_w(state);
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}
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}
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WRITE8_MEMBER(slicer_state::drive_sel_w)
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{
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data &= 1;
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switch(offset)
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{
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case 0:
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m_sasi->write_sel(data);
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break;
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case 1:
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m_sasi->write_rst(data);
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break;
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case 7:
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m_fdc->dden_w(data);
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break;
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default:
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{
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floppy_image_device *floppy;
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char devname[8];
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unsigned int drive = 3 - (offset - 2);
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if((drive > 3) || !data)
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break;
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sprintf(devname, "%d", drive);
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floppy = m_fdc->subdevice<floppy_connector>(devname)->get_device();
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m_fdc->set_floppy(floppy);
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break;
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}
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}
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}
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static ADDRESS_MAP_START( slicer_map, AS_PROGRAM, 16, slicer_state )
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AM_RANGE(0x00000, 0x3ffff) AM_RAM // fixed 256k for now
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AM_RANGE(0xf8000, 0xfffff) AM_ROM AM_REGION("bios", 0)
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ADDRESS_MAP_END
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static ADDRESS_MAP_START( slicer_io, AS_IO, 16, slicer_state )
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ADDRESS_MAP_UNMAP_HIGH
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AM_RANGE(0x0000, 0x007f) AM_DEVREADWRITE8("fdc", fd1797_t, read, write, 0x00ff) //PCS0
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AM_RANGE(0x0080, 0x00ff) AM_DEVREADWRITE8("sc2681", mc68681_device, read, write, 0x00ff) //PCS1
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AM_RANGE(0x0100, 0x017f) AM_WRITE8(drive_sel_w, 0x00ff) //PCS2
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// TODO: 0x180 sets ack
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AM_RANGE(0x0180, 0x0181) AM_DEVREAD8("sasi_data_in", input_buffer_device, read, 0x00ff) AM_DEVWRITE8("sasi_data_out", output_latch_device, write, 0x00ff) //PCS3
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AM_RANGE(0x0180, 0x0181) AM_DEVREAD8("sasi_ctrl_in", input_buffer_device, read, 0xff00)
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AM_RANGE(0x0184, 0x0185) AM_DEVREAD8("sasi_data_in", input_buffer_device, read, 0x00ff) AM_DEVWRITE8("sasi_data_out", output_latch_device, write, 0x00ff)
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AM_RANGE(0x0184, 0x0185) AM_DEVREAD8("sasi_ctrl_in", input_buffer_device, read, 0xff00)
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ADDRESS_MAP_END
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static SLOT_INTERFACE_START( slicer_floppies )
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SLOT_INTERFACE("525dd", FLOPPY_525_DD)
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SLOT_INTERFACE("8dsdd", FLOPPY_8_DSDD)
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SLOT_INTERFACE_END
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static MACHINE_CONFIG_START( slicer, slicer_state )
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MCFG_CPU_ADD("maincpu", I80186, XTAL_16MHz / 2)
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MCFG_CPU_PROGRAM_MAP(slicer_map)
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MCFG_CPU_IO_MAP(slicer_io)
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MCFG_MC68681_ADD("sc2681", XTAL_3_6864MHz)
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MCFG_MC68681_IRQ_CALLBACK(DEVWRITELINE("maincpu", i80186_cpu_device, int0_w))
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MCFG_MC68681_A_TX_CALLBACK(DEVWRITELINE("rs232_1", rs232_port_device, write_txd))
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MCFG_MC68681_B_TX_CALLBACK(DEVWRITELINE("rs232_2", rs232_port_device, write_txd))
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MCFG_MC68681_OUTPORT_CALLBACK(WRITE8(slicer_state, sio_out_w))
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MCFG_RS232_PORT_ADD("rs232_1", default_rs232_devices, "terminal")
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MCFG_RS232_RXD_HANDLER(DEVWRITELINE("sc2681", mc68681_device, rx_a_w))
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MCFG_RS232_PORT_ADD("rs232_2", default_rs232_devices, NULL)
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MCFG_RS232_RXD_HANDLER(DEVWRITELINE("sc2681", mc68681_device, rx_b_w))
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MCFG_FD1797x_ADD("fdc", XTAL_16MHz/2/8)
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MCFG_WD_FDC_INTRQ_CALLBACK(DEVWRITELINE("maincpu", i80186_cpu_device, int1_w))
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MCFG_WD_FDC_DRQ_CALLBACK(DEVWRITELINE("maincpu", i80186_cpu_device, drq0_w))
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MCFG_FLOPPY_DRIVE_ADD("fdc:0", slicer_floppies, "525dd", floppy_image_device::default_floppy_formats)
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MCFG_FLOPPY_DRIVE_ADD("fdc:1", slicer_floppies, NULL, floppy_image_device::default_floppy_formats)
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MCFG_FLOPPY_DRIVE_ADD("fdc:2", slicer_floppies, NULL, floppy_image_device::default_floppy_formats)
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MCFG_FLOPPY_DRIVE_ADD("fdc:3", slicer_floppies, NULL, floppy_image_device::default_floppy_formats)
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MCFG_DEVICE_ADD("sasi", SCSI_PORT, 0)
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MCFG_SCSI_DATA_INPUT_BUFFER("sasi_data_in")
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MCFG_SCSI_BSY_HANDLER(DEVWRITELINE("sasi_ctrl_in", input_buffer_device, write_bit3))
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MCFG_SCSI_MSG_HANDLER(DEVWRITELINE("sasi_ctrl_in", input_buffer_device, write_bit4))
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MCFG_SCSI_CD_HANDLER(DEVWRITELINE("sasi_ctrl_in", input_buffer_device, write_bit5))
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MCFG_SCSI_REQ_HANDLER(DEVWRITELINE("sasi_ctrl_in", input_buffer_device, write_bit6))
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MCFG_SCSI_IO_HANDLER(DEVWRITELINE("sasi_ctrl_in", input_buffer_device, write_bit7))
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MCFG_SCSI_OUTPUT_LATCH_ADD("sasi_data_out", "sasi")
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MCFG_DEVICE_ADD("sasi_data_in", INPUT_BUFFER, 0)
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MCFG_DEVICE_ADD("sasi_ctrl_in", INPUT_BUFFER, 0)
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MACHINE_CONFIG_END
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ROM_START( slicer )
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ROM_REGION(0x8001, "bios", 0)
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// built from sources, reset.asm adds an extra byte
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ROM_LOAD("epbios.bin", 0x0000, 0x8001, CRC(96fe9dd4) SHA1(5fc43454fe7d51f2ae97aef822155dcd28eb7f23))
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ROM_END
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COMP( 1983, slicer, 0, 0, slicer, 0, driver_device, 0, "Slicer Computers", "Slicer", GAME_NOT_WORKING | GAME_NO_SOUND)
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@ -771,13 +771,16 @@ europc // 1988 Schneider Euro PC (CGA or Hercules)
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compc1 // 1984 Commodore PC-1
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pc10iii // 1987 Commodore PC-10 III
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pc7000 // 1985 Sharp PC-7000
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pcd // Siemens PC-D
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olypeopl // Olympia People PC
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sx16 // Sanyo SX-16
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mbc16 // Sanyo MBC-16
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ataripc3
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ssam88s
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// Non-PC msdos
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pcd // Siemens PC-D
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slicer // 1983 Slicer Computers
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// PC Junior
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ibmpcjr // 1984 IBM PC Jr
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ibmpcjx // 1985 IBM PC JX
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@ -796,6 +796,7 @@ DRVLIBS += \
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$(MESSOBJ)/siemens.a \
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$(MESSOBJ)/sinclair.a \
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$(MESSOBJ)/skeleton.a \
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$(MESSOBJ)/slicer.a \
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$(MESSOBJ)/snk.a \
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$(MESSOBJ)/sony.a \
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$(MESSOBJ)/sord.a \
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@ -1648,6 +1649,9 @@ $(MESSOBJ)/sinclair.a: \
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$(MESSOBJ)/siemens.a: \
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$(MESS_DRIVERS)/pcd.o \
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$(MESSOBJ)/slicer.a: \
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$(MESS_DRIVERS)/slicer.o \
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$(MESSOBJ)/snk.a: \
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$(MESS_DRIVERS)/ng_aes.o \
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$(MESS_DRIVERS)/ngp.o $(MESS_VIDEO)/k1ge.o \
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