pcd: create omti5100 sasi controller skeleton device
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Dirk Best
parent
10335e957e
commit
2622cd71fc
@ -1219,6 +1219,15 @@ MACHINEOBJS += $(MACHINEOBJ)/nscsi_hd.o
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MACHINEOBJS += $(MACHINEOBJ)/nscsi_s1410.o
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endif
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#-------------------------------------------------
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#
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#@src/emu/machine/omti5100.h,MACHINES += OMTI5100
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#-------------------------------------------------
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ifneq ($(filter OMTI5100,$(MACHINES)),)
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MACHINEOBJS += $(MACHINEOBJ)/omti5100.o
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endif
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#-------------------------------------------------
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#
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#@src/emu/machine/pcf8593.h,MACHINES += PCF8593
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153
src/emu/machine/omti5100.c
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153
src/emu/machine/omti5100.c
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@ -0,0 +1,153 @@
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/***************************************************************************
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SMS OMTI 5100
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license: MAME, GPL-2.0+
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copyright-holders: Dirk Best
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SCSI/SASI Intelligent Data Controller
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Note: - Skeleton device
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- Supports up to two ST-506/412 hard drives
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- Z8681 (Z8)
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- 8 KB RAM
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- 2 KB Buffer RAM
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***************************************************************************/
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#include "omti5100.h"
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//**************************************************************************
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// CONSTANTS
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//**************************************************************************
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#define VERBOSE 1
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//**************************************************************************
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// DEVICE DEFINITIONS
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//**************************************************************************
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const device_type OMTI5100 = &device_creator<omti5100_device>;
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//-------------------------------------------------
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// rom_region - device-specific ROM region
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//-------------------------------------------------
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ROM_START( omti5100_firmware )
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ROM_REGION(0x2000, "firmware", 0)
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ROM_LOAD("1002401-n.7a", 0x0000, 0x2000, CRC(d531e25c) SHA1(22e4762a70841b80e843a5d76175c1fdb6838e18))
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ROM_END
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const rom_entry *omti5100_device::device_rom_region() const
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{
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return ROM_NAME( omti5100_firmware );
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}
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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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static MACHINE_CONFIG_FRAGMENT( omti5100_z8 )
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// MCFG_CPU_ADD("z8", Z8681, XTAL_20MHz / 3 /* ??? */)
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MACHINE_CONFIG_END
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machine_config_constructor omti5100_device::device_mconfig_additions() const
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{
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return MACHINE_CONFIG_NAME( omti5100_z8 );
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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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// omti5100_device - constructor
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//-------------------------------------------------
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omti5100_device::omti5100_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
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device_t(mconfig, OMTI5100, "OMTI 5100 SCSI/SASI Controller", tag, owner, clock, "omti5100", __FILE__),
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// m_cpu(*this, "z8"),
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m_bsy_w(*this),
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m_cd_w(*this),
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m_io_w(*this),
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m_req_w(*this),
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m_msg_w(*this)
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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 omti5100_device::device_start()
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{
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// resolve callbacks
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m_bsy_w.resolve_safe();
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m_cd_w.resolve_safe();
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m_io_w.resolve_safe();
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m_req_w.resolve_safe();
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m_msg_w.resolve_safe();
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}
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//-------------------------------------------------
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// device_reset - device-specific reset
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//-------------------------------------------------
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void omti5100_device::device_reset()
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{
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}
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//**************************************************************************
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// IMPLEMENTATION
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//**************************************************************************
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READ8_MEMBER( omti5100_device::data_r )
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{
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if (VERBOSE)
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logerror("%s: data_r\n", tag());
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return 0xff;
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}
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WRITE8_MEMBER( omti5100_device::data_w )
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{
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if (VERBOSE)
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logerror("%s: rst_w: %02x\n", tag(), data);
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}
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READ_LINE_MEMBER( omti5100_device::parity_r )
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{
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if (VERBOSE)
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logerror("%s: parity_r\n", tag());
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return 1;
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}
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WRITE_LINE_MEMBER( omti5100_device::parity_w )
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{
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if (VERBOSE)
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logerror("%s: parity_w: %d\n", tag(), state);
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}
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WRITE_LINE_MEMBER( omti5100_device::rst_w )
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{
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if (VERBOSE)
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logerror("%s: rst_w: %d\n", tag(), state);
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}
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WRITE_LINE_MEMBER( omti5100_device::sel_w )
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{
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if (VERBOSE)
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logerror("%s: sel_w: %d\n", tag(), state);
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}
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WRITE_LINE_MEMBER( omti5100_device::ack_w )
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{
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if (VERBOSE)
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logerror("%s: ack_w: %d\n", tag(), state);
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}
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103
src/emu/machine/omti5100.h
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103
src/emu/machine/omti5100.h
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@ -0,0 +1,103 @@
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/***************************************************************************
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SMS OMTI 5100
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license: MAME, GPL-2.0+
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copyright-holders: Dirk Best
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SCSI/SASI Intelligent Data Controller
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***************************************************************************/
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#pragma once
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#ifndef __OMTI5100_H__
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#define __OMTI5100_H__
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#include "emu.h"
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#include "cpu/z8/z8.h"
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//**************************************************************************
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// INTERFACE CONFIGURATION MACROS
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//**************************************************************************
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#define MCFG_OMTI5100_ADD(_tag) \
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MCFG_DEVICE_ADD(_tag, OMTI5100, 0)
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#define MCFG_OMTI5100_BSY_HANDLER(_devcb) \
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devcb = &omti5100_device::set_bsy_handler(*device, DEVCB_##_devcb);
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#define MCFG_OMTI5100_CD_HANDLER(_devcb) \
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devcb = &omti5100_device::set_cd_handler(*device, DEVCB_##_devcb);
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#define MCFG_OMTI5100_IO_HANDLER(_devcb) \
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devcb = &omti5100_device::set_io_handler(*device, DEVCB_##_devcb);
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#define MCFG_OMTI5100_REQ_HANDLER(_devcb) \
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devcb = &omti5100_device::set_req_handler(*device, DEVCB_##_devcb);
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#define MCFG_OMTI5100_MSG_HANDLER(_devcb) \
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devcb = &omti5100_device::set_msg_handler(*device, DEVCB_##_devcb);
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//**************************************************************************
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// TYPE DEFINITIONS
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//**************************************************************************
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// ======================> omti5100_device
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class omti5100_device : public device_t
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{
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public:
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// construction/destruction
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omti5100_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
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// callbacks
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template<class _Object> static devcb_base &set_bsy_handler(device_t &device, _Object object)
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{ return downcast<omti5100_device &>(device).m_bsy_w.set_callback(object); }
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template<class _Object> static devcb_base &set_cd_handler(device_t &device, _Object object)
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{ return downcast<omti5100_device &>(device).m_cd_w.set_callback(object); }
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template<class _Object> static devcb_base &set_io_handler(device_t &device, _Object object)
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{ return downcast<omti5100_device &>(device).m_io_w.set_callback(object); }
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template<class _Object> static devcb_base &set_req_handler(device_t &device, _Object object)
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{ return downcast<omti5100_device &>(device).m_req_w.set_callback(object); }
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template<class _Object> static devcb_base &set_msg_handler(device_t &device, _Object object)
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{ return downcast<omti5100_device &>(device).m_msg_w.set_callback(object); }
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// data
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DECLARE_READ8_MEMBER( data_r );
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DECLARE_WRITE8_MEMBER( data_w );
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DECLARE_READ_LINE_MEMBER( parity_r );
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DECLARE_WRITE_LINE_MEMBER( parity_w );
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// control
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DECLARE_WRITE_LINE_MEMBER( rst_w );
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DECLARE_WRITE_LINE_MEMBER( sel_w );
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DECLARE_WRITE_LINE_MEMBER( ack_w );
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protected:
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// device_t 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 void device_start();
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virtual void device_reset();
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private:
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// required_device<z8681_device> m_cpu;
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devcb_write_line m_bsy_w;
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devcb_write_line m_cd_w;
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devcb_write_line m_io_w;
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devcb_write_line m_req_w;
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devcb_write_line m_msg_w;
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};
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// device type definition
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extern const device_type OMTI5100;
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#endif // __OMTI5100_H__
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@ -15,6 +15,7 @@
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#include "machine/nvram.h"
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#include "machine/pic8259.h"
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#include "machine/mc2661.h"
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#include "machine/omti5100.h"
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#include "machine/wd_fdc.h"
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#include "machine/mc146818.h"
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#include "sound/speaker.h"
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@ -33,6 +34,7 @@ public:
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m_pic1(*this, "pic1"),
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m_pic2(*this, "pic2"),
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m_speaker(*this, "speaker"),
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m_sasi(*this, "sasi"),
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m_fdc(*this, "fdc"),
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m_rtc(*this, "rtc")
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{ }
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@ -55,6 +57,7 @@ private:
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required_device<pic8259_device> m_pic1;
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required_device<pic8259_device> m_pic2;
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required_device<speaker_sound_device> m_speaker;
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required_device<omti5100_device> m_sasi;
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required_device<wd2793_t> m_fdc;
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required_device<mc146818_device> m_rtc;
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};
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@ -125,6 +128,7 @@ static ADDRESS_MAP_START( pcd_io, AS_IO, 16, pcd_state )
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AM_RANGE(0xf000, 0xf7ff) AM_RAM AM_SHARE("nvram")
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AM_RANGE(0xf840, 0xf841) AM_DEVREADWRITE8("pic1", pic8259_device, read, write, 0xff00)
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AM_RANGE(0xf900, 0xf907) AM_DEVREADWRITE8("fdc", wd2793_t, read, write, 0x00ff)
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// AM_RANGE(0xf940, 0xf941) // sasi controller here?
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AM_RANGE(0xf980, 0xf981) AM_READWRITE8(crt_data_r, crt_data_w, 0x00ff) AM_READ8(crt_status_r, 0xff00)
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// AM_RANGE(0xfa00, 0xfa7f) // pcs4-n (peripheral chip select)
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ADDRESS_MAP_END
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@ -159,6 +163,9 @@ static MACHINE_CONFIG_START( pcd, pcd_state )
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// nvram
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MCFG_NVRAM_ADD_1FILL("nvram")
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// sasi controller
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MCFG_OMTI5100_ADD("sasi")
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// floppy disk controller
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MCFG_WD2793x_ADD("fdc", XTAL_16MHz/2/8)
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MCFG_WD_FDC_INTRQ_CALLBACK(DEVWRITELINE("pic1", pic8259_device, ir6_w))
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@ -196,10 +203,6 @@ ROM_START( pcd )
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ROM_LOAD16_BYTE("s26361-d359.d42", 0x0001, 0x2000, CRC(e20244dd) SHA1(0ebc5ddb93baacd9106f1917380de58aac64fe73))
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ROM_LOAD16_BYTE("s26361-d359.d43", 0x0000, 0x2000, CRC(e03db2ec) SHA1(fcae8b0c9e7543706817b0a53872826633361fda))
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// hdd (omti 5100)
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ROM_REGION(0x2000, "hdd", 0)
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ROM_LOAD("1002401-n.bin", 0x0000, 0x2000, CRC(d531e25c) SHA1(22e4762a70841b80e843a5d76175c1fdb6838e18))
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// gfx card (scn2674 with 8741), to be moved
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ROM_REGION(0x400, "graphics", 0)
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ROM_LOAD("s36361-d321-v1.bin", 0x000, 0x400, CRC(69baeb2a) SHA1(98b9cd0f38c51b4988a3aed0efcf004bedd115ff))
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@ -476,6 +476,7 @@ MACHINES += NCR53C7XX
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MACHINES += NMC9306
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MACHINES += NSC810
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MACHINES += NSCSI
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MACHINES += OMTI5100
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MACHINES += PC_FDC
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MACHINES += PC_LPT
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MACHINES += PCCARD
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