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https://github.com/holub/mame
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(MESS) Added skeleton for IMI 5000H hard disk controller. [Curt Coder, Al Kossow]
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Curt Coder
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2
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vendored
@ -7338,6 +7338,8 @@ src/mess/machine/i8271.c svneol=native#text/plain
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src/mess/machine/i8271.h svneol=native#text/plain
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src/mess/machine/ieee488.c svneol=native#text/plain
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src/mess/machine/ieee488.h svneol=native#text/plain
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src/mess/machine/imi5000h.c svneol=native#text/plain
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src/mess/machine/imi5000h.h svneol=native#text/plain
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src/mess/machine/interpod.c svneol=native#text/plain
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src/mess/machine/interpod.h svneol=native#text/plain
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src/mess/machine/intv.c svneol=native#text/plain
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244
src/mess/machine/imi5000h.c
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244
src/mess/machine/imi5000h.c
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/**********************************************************************
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IMI 5000H 5.25" Winchester Hard Disk Controller emulation
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Used in Corvus Systems H-Series drives (Model 6/11/20)
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Copyright MESS Team.
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Visit http://mamedev.org for licensing and usage restrictions.
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**********************************************************************/
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#include "imi5000h.h"
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//**************************************************************************
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// MACROS / CONSTANTS
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//**************************************************************************
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#define Z80_TAG "u70"
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#define Z80CTC_TAG "u45"
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#define Z80PIO_0_TAG "u25"
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#define Z80PIO_2_TAG "u64"
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#define Z80PIO_3_TAG "u73"
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//**************************************************************************
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// DEVICE DEFINITIONS
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//**************************************************************************
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const device_type IMI5000H = &device_creator<imi5000h_device>;
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//-------------------------------------------------
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// ROM( imi5000h )
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//-------------------------------------------------
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ROM_START( imi5000h )
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ROM_REGION( 0x1000, Z80_TAG, 0 )
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ROM_LOAD( "c 7.63.u62", 0x0000, 0x1000, CRC(822aac68) SHA1(ab3ad7726ab20dd1041cb754d266e2f191fa3ec3) )
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ROM_REGION( 0x320, "proms", 0 )
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ROM_LOAD( "8152323-2a.u52", 0x000, 0x100, CRC(b36bc7e1) SHA1(de00b5bc17ff86b66af3e974dfd9b53245de12bd) )
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ROM_LOAD( "8152323-4a.u53", 0x100, 0x100, CRC(016fe2f7) SHA1(909f815a61e759fdf998674ee383512ecd8fee65) )
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ROM_LOAD( "8152323-1a.u54", 0x200, 0x100, CRC(512f1f39) SHA1(50c68289a19fdfca3665dbb0e98373608458c5d8) )
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ROM_LOAD( "8152323-3a.u71", 0x300, 0x020, CRC(b1092f02) SHA1(646c5a3e951535a80d24d9ce8764a3f373c508db) )
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ROM_END
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//-------------------------------------------------
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// rom_region - device-specific ROM region
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//-------------------------------------------------
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const rom_entry *imi5000h_device::device_rom_region() const
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{
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return ROM_NAME( imi5000h );
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}
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//-------------------------------------------------
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// ADDRESS_MAP( imi5000h_mem )
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//-------------------------------------------------
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static ADDRESS_MAP_START( imi5000h_mem, AS_PROGRAM, 8, imi5000h_device )
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ADDRESS_MAP_UNMAP_HIGH
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AM_RANGE(0x0000, 0x0fff) AM_MIRROR(0x1000) AM_ROM AM_REGION(Z80_TAG, 0)
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AM_RANGE(0x4000, 0x47ff) AM_MIRROR(0x1800) AM_RAM
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AM_RANGE(0x6000, 0x63ff) AM_MIRROR(0x1c00) AM_RAM
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AM_RANGE(0x8000, 0x83ff) AM_MIRROR(0x1c00) AM_RAM
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AM_RANGE(0xa000, 0xa3ff) AM_MIRROR(0x1c00) AM_RAM
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ADDRESS_MAP_END
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//-------------------------------------------------
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// ADDRESS_MAP( imi5000h_io )
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//-------------------------------------------------
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static ADDRESS_MAP_START( imi5000h_io, AS_IO, 8, imi5000h_device )
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ADDRESS_MAP_UNMAP_HIGH
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ADDRESS_MAP_GLOBAL_MASK(0x9f)
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AM_RANGE(0x00, 0x03) AM_DEVREADWRITE(Z80PIO_0_TAG, z80pio_device, read, write)
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AM_RANGE(0x08, 0x0b) AM_DEVREADWRITE(Z80PIO_2_TAG, z80pio_device, read, write)
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AM_RANGE(0x0c, 0x0f) AM_DEVREADWRITE(Z80PIO_3_TAG, z80pio_device, read, write)
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AM_RANGE(0x10, 0x13) AM_MIRROR(0x03) // BEGRDY
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AM_RANGE(0x14, 0x14) AM_MIRROR(0x03) // HSXCLR
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AM_RANGE(0x18, 0x18) AM_MIRROR(0x03) // XFERSTB
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AM_RANGE(0x1c, 0x1f) AM_DEVREADWRITE(Z80CTC_TAG, z80ctc_device, read, write)
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ADDRESS_MAP_END
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//-------------------------------------------------
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// z80_daisy_config z80_daisy_chain
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//-------------------------------------------------
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static const z80_daisy_config z80_daisy_chain[] =
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{
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{ Z80PIO_0_TAG },
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{ Z80CTC_TAG },
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{ Z80PIO_2_TAG },
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{ NULL }
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};
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//-------------------------------------------------
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// Z80CTC_INTERFACE( ctc_intf )
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//-------------------------------------------------
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static Z80CTC_INTERFACE( ctc_intf )
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{
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DEVCB_CPU_INPUT_LINE(Z80_TAG, INPUT_LINE_IRQ0),
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DEVCB_NULL,
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DEVCB_NULL,
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DEVCB_NULL
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};
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//-------------------------------------------------
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// Z80PIO_INTERFACE( pio0_intf )
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//-------------------------------------------------
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static Z80PIO_INTERFACE( pio0_intf )
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{
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DEVCB_CPU_INPUT_LINE(Z80_TAG, INPUT_LINE_IRQ0),
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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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};
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//-------------------------------------------------
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// Z80PIO_INTERFACE( pio2_intf )
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//-------------------------------------------------
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static Z80PIO_INTERFACE( pio2_intf )
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{
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DEVCB_CPU_INPUT_LINE(Z80_TAG, INPUT_LINE_IRQ0),
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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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};
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//-------------------------------------------------
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// Z80PIO_INTERFACE( pio3_intf )
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//-------------------------------------------------
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static Z80PIO_INTERFACE( pio3_intf )
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{
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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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};
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//-------------------------------------------------
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// MACHINE_DRIVER( imi5000h )
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//-------------------------------------------------
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static MACHINE_CONFIG_FRAGMENT( imi5000h )
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MCFG_CPU_ADD(Z80_TAG, Z80, 4000000)
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MCFG_CPU_CONFIG(z80_daisy_chain)
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MCFG_CPU_PROGRAM_MAP(imi5000h_mem)
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MCFG_CPU_IO_MAP(imi5000h_io)
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MCFG_Z80CTC_ADD(Z80CTC_TAG, 4000000, ctc_intf)
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MCFG_Z80PIO_ADD(Z80PIO_0_TAG, 4000000, pio0_intf)
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MCFG_Z80PIO_ADD(Z80PIO_2_TAG, 4000000, pio2_intf)
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MCFG_Z80PIO_ADD(Z80PIO_3_TAG, 4000000, pio3_intf)
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MACHINE_CONFIG_END
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//-------------------------------------------------
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// machine_config_additions - device-specific
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// machine configurations
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//-------------------------------------------------
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machine_config_constructor imi5000h_device::device_mconfig_additions() const
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{
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return MACHINE_CONFIG_NAME( imi5000h );
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}
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//-------------------------------------------------
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// INPUT_PORTS( imi5000h )
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//-------------------------------------------------
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static INPUT_PORTS_START( imi5000h )
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PORT_START("UB4")
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PORT_DIPUNKNOWN_DIPLOC( 0x01, IP_ACTIVE_LOW, "UB4:1" )
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PORT_DIPUNKNOWN_DIPLOC( 0x02, IP_ACTIVE_LOW, "UB4:2" )
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PORT_DIPUNKNOWN_DIPLOC( 0x04, IP_ACTIVE_LOW, "UB4:3" )
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PORT_DIPUNKNOWN_DIPLOC( 0x08, IP_ACTIVE_LOW, "UB4:4" )
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PORT_DIPUNKNOWN_DIPLOC( 0x10, IP_ACTIVE_LOW, "UB4:5" )
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PORT_DIPUNKNOWN_DIPLOC( 0x20, IP_ACTIVE_LOW, "UB4:6" )
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PORT_DIPUNKNOWN_DIPLOC( 0x40, IP_ACTIVE_LOW, "UB4:7" )
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PORT_DIPUNKNOWN_DIPLOC( 0x80, IP_ACTIVE_LOW, "UB4:8" )
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INPUT_PORTS_END
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//-------------------------------------------------
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// input_ports - device-specific input ports
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//-------------------------------------------------
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ioport_constructor imi5000h_device::device_input_ports() const
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{
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return INPUT_PORTS_NAME( imi5000h );
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}
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//**************************************************************************
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// LIVE DEVICE
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//**************************************************************************
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//-------------------------------------------------
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// imi5000h_device - constructor
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//-------------------------------------------------
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imi5000h_device::imi5000h_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
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: device_t(mconfig, IMI5000H, "IMI 5000H", tag, owner, clock, "imi5000h", __FILE__),
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m_maincpu(*this, Z80_TAG),
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m_ub4(*this, "UB4")
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{
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}
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//-------------------------------------------------
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// device_start - device-specific startup
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//-------------------------------------------------
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void imi5000h_device::device_start()
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{
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}
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66
src/mess/machine/imi5000h.h
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66
src/mess/machine/imi5000h.h
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@ -0,0 +1,66 @@
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/**********************************************************************
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IMI 5000H 5.25" Winchester Hard Disk Controller emulation
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Used in Corvus Systems H-Series drives (Model 6/11/20)
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Copyright MESS Team.
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Visit http://mamedev.org for licensing and usage restrictions.
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**********************************************************************/
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#pragma once
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#ifndef __IMI5000H__
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#define __IMI5000H__
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#include "emu.h"
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#include "cpu/z80/z80.h"
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#include "cpu/z80/z80daisy.h"
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#include "machine/z80ctc.h"
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#include "machine/z80pio.h"
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//**************************************************************************
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// INTERFACE CONFIGURATION MACROS
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//**************************************************************************
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#define MCFG_IMI5000H_ADD(_tag) \
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MCFG_DEVICE_ADD(_tag, IMI5000H, 0)
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//**************************************************************************
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// TYPE DEFINITIONS
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//**************************************************************************
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// ======================> imi5000h_device
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class imi5000h_device : public device_t
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{
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public:
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// construction/destruction
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imi5000h_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
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// optional information overrides
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virtual const rom_entry *device_rom_region() const;
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virtual machine_config_constructor device_mconfig_additions() const;
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virtual ioport_constructor device_input_ports() const;
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protected:
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// device-level overrides
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virtual void device_start();
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private:
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required_device<cpu_device> m_maincpu;
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required_ioport m_ub4;
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};
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// device type definition
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extern const device_type IMI5000H;
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#endif
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@ -734,6 +734,7 @@ $(MESSOBJ)/shared.a: \
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$(MESS_MACHINE)/hd63450.o \
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$(MESS_MACHINE)/i8271.o \
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$(MESS_MACHINE)/ieee488.o \
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$(MESS_MACHINE)/imi5000h.o \
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$(MESS_MACHINE)/isa.o \
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$(MESS_MACHINE)/kb3600.o \
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$(MESS_MACHINE)/keyboard.o \
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