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author Dirk Best <mail@dirk-best.de>2014-11-20 16:28:37 +0100
committer Dirk Best <mail@dirk-best.de>2014-11-20 16:29:27 +0100
commit2622cd71fc789d94464958c8ce7d1e7f0842e341 (patch)
treea387e05656118f4ae2268589e0f04bbac7346c4b
parent10335e957e78fdbd0bac8e2696143e28bf402734 (diff)
pcd: create omti5100 sasi controller skeleton device
-rw-r--r--src/emu/machine/machine.mak9
-rw-r--r--src/emu/machine/omti5100.c153
-rw-r--r--src/emu/machine/omti5100.h103
-rw-r--r--src/mess/drivers/pcd.c11
-rw-r--r--src/mess/mess.mak1
5 files changed, 273 insertions, 4 deletions
diff --git a/src/emu/machine/machine.mak b/src/emu/machine/machine.mak
index bb71176b4b7..13b5e86cecb 100644
--- a/src/emu/machine/machine.mak
+++ b/src/emu/machine/machine.mak
@@ -1221,6 +1221,15 @@ endif
#-------------------------------------------------
#
+#@src/emu/machine/omti5100.h,MACHINES += OMTI5100
+#-------------------------------------------------
+
+ifneq ($(filter OMTI5100,$(MACHINES)),)
+MACHINEOBJS += $(MACHINEOBJ)/omti5100.o
+endif
+
+#-------------------------------------------------
+#
#@src/emu/machine/pcf8593.h,MACHINES += PCF8593
#-------------------------------------------------
diff --git a/src/emu/machine/omti5100.c b/src/emu/machine/omti5100.c
new file mode 100644
index 00000000000..84d00f178e9
--- /dev/null
+++ b/src/emu/machine/omti5100.c
@@ -0,0 +1,153 @@
+/***************************************************************************
+
+ SMS OMTI 5100
+
+ license: MAME, GPL-2.0+
+ copyright-holders: Dirk Best
+
+ SCSI/SASI Intelligent Data Controller
+
+ Note: - Skeleton device
+ - Supports up to two ST-506/412 hard drives
+ - Z8681 (Z8)
+ - 8 KB RAM
+ - 2 KB Buffer RAM
+
+***************************************************************************/
+
+#include "omti5100.h"
+
+
+//**************************************************************************
+// CONSTANTS
+//**************************************************************************
+
+#define VERBOSE 1
+
+
+//**************************************************************************
+// DEVICE DEFINITIONS
+//**************************************************************************
+
+const device_type OMTI5100 = &device_creator<omti5100_device>;
+
+//-------------------------------------------------
+// rom_region - device-specific ROM region
+//-------------------------------------------------
+
+ROM_START( omti5100_firmware )
+ ROM_REGION(0x2000, "firmware", 0)
+ ROM_LOAD("1002401-n.7a", 0x0000, 0x2000, CRC(d531e25c) SHA1(22e4762a70841b80e843a5d76175c1fdb6838e18))
+ROM_END
+
+const rom_entry *omti5100_device::device_rom_region() const
+{
+ return ROM_NAME( omti5100_firmware );
+}
+
+//-------------------------------------------------
+// machine_config_additions - device-specific
+// machine configurations
+//-------------------------------------------------
+
+static MACHINE_CONFIG_FRAGMENT( omti5100_z8 )
+// MCFG_CPU_ADD("z8", Z8681, XTAL_20MHz / 3 /* ??? */)
+MACHINE_CONFIG_END
+
+machine_config_constructor omti5100_device::device_mconfig_additions() const
+{
+ return MACHINE_CONFIG_NAME( omti5100_z8 );
+}
+
+
+//**************************************************************************
+// LIVE DEVICE
+//**************************************************************************
+
+//-------------------------------------------------
+// omti5100_device - constructor
+//-------------------------------------------------
+
+omti5100_device::omti5100_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
+ device_t(mconfig, OMTI5100, "OMTI 5100 SCSI/SASI Controller", tag, owner, clock, "omti5100", __FILE__),
+// m_cpu(*this, "z8"),
+ m_bsy_w(*this),
+ m_cd_w(*this),
+ m_io_w(*this),
+ m_req_w(*this),
+ m_msg_w(*this)
+{
+}
+
+//-------------------------------------------------
+// device_start - device-specific startup
+//-------------------------------------------------
+
+void omti5100_device::device_start()
+{
+ // resolve callbacks
+ m_bsy_w.resolve_safe();
+ m_cd_w.resolve_safe();
+ m_io_w.resolve_safe();
+ m_req_w.resolve_safe();
+ m_msg_w.resolve_safe();
+}
+
+//-------------------------------------------------
+// device_reset - device-specific reset
+//-------------------------------------------------
+
+void omti5100_device::device_reset()
+{
+}
+
+
+//**************************************************************************
+// IMPLEMENTATION
+//**************************************************************************
+
+READ8_MEMBER( omti5100_device::data_r )
+{
+ if (VERBOSE)
+ logerror("%s: data_r\n", tag());
+
+ return 0xff;
+}
+
+WRITE8_MEMBER( omti5100_device::data_w )
+{
+ if (VERBOSE)
+ logerror("%s: rst_w: %02x\n", tag(), data);
+}
+
+READ_LINE_MEMBER( omti5100_device::parity_r )
+{
+ if (VERBOSE)
+ logerror("%s: parity_r\n", tag());
+
+ return 1;
+}
+
+WRITE_LINE_MEMBER( omti5100_device::parity_w )
+{
+ if (VERBOSE)
+ logerror("%s: parity_w: %d\n", tag(), state);
+}
+
+WRITE_LINE_MEMBER( omti5100_device::rst_w )
+{
+ if (VERBOSE)
+ logerror("%s: rst_w: %d\n", tag(), state);
+}
+
+WRITE_LINE_MEMBER( omti5100_device::sel_w )
+{
+ if (VERBOSE)
+ logerror("%s: sel_w: %d\n", tag(), state);
+}
+
+WRITE_LINE_MEMBER( omti5100_device::ack_w )
+{
+ if (VERBOSE)
+ logerror("%s: ack_w: %d\n", tag(), state);
+}
diff --git a/src/emu/machine/omti5100.h b/src/emu/machine/omti5100.h
new file mode 100644
index 00000000000..ede9493880f
--- /dev/null
+++ b/src/emu/machine/omti5100.h
@@ -0,0 +1,103 @@
+/***************************************************************************
+
+ SMS OMTI 5100
+
+ license: MAME, GPL-2.0+
+ copyright-holders: Dirk Best
+
+ SCSI/SASI Intelligent Data Controller
+
+***************************************************************************/
+
+#pragma once
+
+#ifndef __OMTI5100_H__
+#define __OMTI5100_H__
+
+#include "emu.h"
+#include "cpu/z8/z8.h"
+
+
+//**************************************************************************
+// INTERFACE CONFIGURATION MACROS
+//**************************************************************************
+
+#define MCFG_OMTI5100_ADD(_tag) \
+ MCFG_DEVICE_ADD(_tag, OMTI5100, 0)
+
+#define MCFG_OMTI5100_BSY_HANDLER(_devcb) \
+ devcb = &omti5100_device::set_bsy_handler(*device, DEVCB_##_devcb);
+
+#define MCFG_OMTI5100_CD_HANDLER(_devcb) \
+ devcb = &omti5100_device::set_cd_handler(*device, DEVCB_##_devcb);
+
+#define MCFG_OMTI5100_IO_HANDLER(_devcb) \
+ devcb = &omti5100_device::set_io_handler(*device, DEVCB_##_devcb);
+
+#define MCFG_OMTI5100_REQ_HANDLER(_devcb) \
+ devcb = &omti5100_device::set_req_handler(*device, DEVCB_##_devcb);
+
+#define MCFG_OMTI5100_MSG_HANDLER(_devcb) \
+ devcb = &omti5100_device::set_msg_handler(*device, DEVCB_##_devcb);
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> omti5100_device
+
+class omti5100_device : public device_t
+{
+public:
+ // construction/destruction
+ omti5100_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // callbacks
+ template<class _Object> static devcb_base &set_bsy_handler(device_t &device, _Object object)
+ { return downcast<omti5100_device &>(device).m_bsy_w.set_callback(object); }
+
+ template<class _Object> static devcb_base &set_cd_handler(device_t &device, _Object object)
+ { return downcast<omti5100_device &>(device).m_cd_w.set_callback(object); }
+
+ template<class _Object> static devcb_base &set_io_handler(device_t &device, _Object object)
+ { return downcast<omti5100_device &>(device).m_io_w.set_callback(object); }
+
+ template<class _Object> static devcb_base &set_req_handler(device_t &device, _Object object)
+ { return downcast<omti5100_device &>(device).m_req_w.set_callback(object); }
+
+ template<class _Object> static devcb_base &set_msg_handler(device_t &device, _Object object)
+ { return downcast<omti5100_device &>(device).m_msg_w.set_callback(object); }
+
+ // data
+ DECLARE_READ8_MEMBER( data_r );
+ DECLARE_WRITE8_MEMBER( data_w );
+ DECLARE_READ_LINE_MEMBER( parity_r );
+ DECLARE_WRITE_LINE_MEMBER( parity_w );
+
+ // control
+ DECLARE_WRITE_LINE_MEMBER( rst_w );
+ DECLARE_WRITE_LINE_MEMBER( sel_w );
+ DECLARE_WRITE_LINE_MEMBER( ack_w );
+
+protected:
+ // device_t overrides
+ virtual const rom_entry *device_rom_region() const;
+ virtual machine_config_constructor device_mconfig_additions() const;
+ virtual void device_start();
+ virtual void device_reset();
+
+private:
+// required_device<z8681_device> m_cpu;
+
+ devcb_write_line m_bsy_w;
+ devcb_write_line m_cd_w;
+ devcb_write_line m_io_w;
+ devcb_write_line m_req_w;
+ devcb_write_line m_msg_w;
+};
+
+// device type definition
+extern const device_type OMTI5100;
+
+#endif // __OMTI5100_H__
diff --git a/src/mess/drivers/pcd.c b/src/mess/drivers/pcd.c
index 036cb112af2..19ec2338741 100644
--- a/src/mess/drivers/pcd.c
+++ b/src/mess/drivers/pcd.c
@@ -15,6 +15,7 @@
#include "machine/nvram.h"
#include "machine/pic8259.h"
#include "machine/mc2661.h"
+#include "machine/omti5100.h"
#include "machine/wd_fdc.h"
#include "machine/mc146818.h"
#include "sound/speaker.h"
@@ -33,6 +34,7 @@ public:
m_pic1(*this, "pic1"),
m_pic2(*this, "pic2"),
m_speaker(*this, "speaker"),
+ m_sasi(*this, "sasi"),
m_fdc(*this, "fdc"),
m_rtc(*this, "rtc")
{ }
@@ -55,6 +57,7 @@ private:
required_device<pic8259_device> m_pic1;
required_device<pic8259_device> m_pic2;
required_device<speaker_sound_device> m_speaker;
+ required_device<omti5100_device> m_sasi;
required_device<wd2793_t> m_fdc;
required_device<mc146818_device> m_rtc;
};
@@ -125,6 +128,7 @@ static ADDRESS_MAP_START( pcd_io, AS_IO, 16, pcd_state )
AM_RANGE(0xf000, 0xf7ff) AM_RAM AM_SHARE("nvram")
AM_RANGE(0xf840, 0xf841) AM_DEVREADWRITE8("pic1", pic8259_device, read, write, 0xff00)
AM_RANGE(0xf900, 0xf907) AM_DEVREADWRITE8("fdc", wd2793_t, read, write, 0x00ff)
+// AM_RANGE(0xf940, 0xf941) // sasi controller here?
AM_RANGE(0xf980, 0xf981) AM_READWRITE8(crt_data_r, crt_data_w, 0x00ff) AM_READ8(crt_status_r, 0xff00)
// AM_RANGE(0xfa00, 0xfa7f) // pcs4-n (peripheral chip select)
ADDRESS_MAP_END
@@ -159,6 +163,9 @@ static MACHINE_CONFIG_START( pcd, pcd_state )
// nvram
MCFG_NVRAM_ADD_1FILL("nvram")
+ // sasi controller
+ MCFG_OMTI5100_ADD("sasi")
+
// floppy disk controller
MCFG_WD2793x_ADD("fdc", XTAL_16MHz/2/8)
MCFG_WD_FDC_INTRQ_CALLBACK(DEVWRITELINE("pic1", pic8259_device, ir6_w))
@@ -196,10 +203,6 @@ ROM_START( pcd )
ROM_LOAD16_BYTE("s26361-d359.d42", 0x0001, 0x2000, CRC(e20244dd) SHA1(0ebc5ddb93baacd9106f1917380de58aac64fe73))
ROM_LOAD16_BYTE("s26361-d359.d43", 0x0000, 0x2000, CRC(e03db2ec) SHA1(fcae8b0c9e7543706817b0a53872826633361fda))
- // hdd (omti 5100)
- ROM_REGION(0x2000, "hdd", 0)
- ROM_LOAD("1002401-n.bin", 0x0000, 0x2000, CRC(d531e25c) SHA1(22e4762a70841b80e843a5d76175c1fdb6838e18))
-
// gfx card (scn2674 with 8741), to be moved
ROM_REGION(0x400, "graphics", 0)
ROM_LOAD("s36361-d321-v1.bin", 0x000, 0x400, CRC(69baeb2a) SHA1(98b9cd0f38c51b4988a3aed0efcf004bedd115ff))
diff --git a/src/mess/mess.mak b/src/mess/mess.mak
index dd1009ece40..cba88e1e541 100644
--- a/src/mess/mess.mak
+++ b/src/mess/mess.mak
@@ -476,6 +476,7 @@ MACHINES += NCR53C7XX
MACHINES += NMC9306
MACHINES += NSC810
MACHINES += NSCSI
+MACHINES += OMTI5100
MACHINES += PC_FDC
MACHINES += PC_LPT
MACHINES += PCCARD