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author AJR <ajrhacker@users.noreply.github.com>2019-03-23 15:10:16 -0400
committer AJR <ajrhacker@users.noreply.github.com>2019-03-23 15:10:16 -0400
commit17732105b222d486ab444d99f98ef93df2e9f889 (patch)
treea639486dac3b09de91b0d0277285dd763bc3dd64
parent94189b7140d22ba4535c7bbd48d3432e66298c4f (diff)
Add ROMs for BT-542B ISA SCSI controller
-rw-r--r--src/devices/bus/isa/bt54x.cpp133
-rw-r--r--src/devices/bus/isa/bt54x.h43
-rw-r--r--src/devices/bus/isa/isa_cards.cpp2
3 files changed, 155 insertions, 23 deletions
diff --git a/src/devices/bus/isa/bt54x.cpp b/src/devices/bus/isa/bt54x.cpp
index baab0247854..4293c8bc259 100644
--- a/src/devices/bus/isa/bt54x.cpp
+++ b/src/devices/bus/isa/bt54x.cpp
@@ -9,6 +9,9 @@
believed that these chips are largely compatible with each other, as
are the NCR 53CF94 and Emulex FAS216 SCSI controllers.
+ 2.41/2.21 is the last BIOS version compatible with revisions A-G of
+ the BT-542B.
+
***************************************************************************/
#include "emu.h"
@@ -19,10 +22,12 @@
#include "machine/nscsi_cd.h"
#include "machine/nscsi_hd.h"
+DEFINE_DEVICE_TYPE(BT542B, bt542b_device, "bt542b", "BusTek BT-542B Fast SCSI Host Adapter") // Rev. G or earlier
+DEFINE_DEVICE_TYPE(BT542BH, bt542bh_device, "bt542bh", "BusLogic BT-542B Fast SCSI Host Adapter (Rev. H)")
DEFINE_DEVICE_TYPE(BT545S, bt545s_device, "bt545s", "BusLogic BT-545S Fast SCSI Host Adapter")
-bt545s_device::bt545s_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
- : device_t(mconfig, BT545S, tag, owner, clock)
+bt54x_device::bt54x_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, u32 clock)
+ : device_t(mconfig, type, tag, owner, clock)
, device_isa16_card_interface(mconfig, *this)
, m_mpu(*this, "mpu")
, m_fdc(*this, "fdc")
@@ -30,50 +35,78 @@ bt545s_device::bt545s_device(const machine_config &mconfig, const char *tag, dev
{
}
-void bt545s_device::device_start()
+bt542b_device::bt542b_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
+ : bt54x_device(mconfig, BT542B, tag, owner, clock)
+{
+}
+
+bt542bh_device::bt542bh_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
+ : bt54x_device(mconfig, BT542BH, tag, owner, clock)
{
}
-u8 bt545s_device::local_status_r()
+bt545s_device::bt545s_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
+ : bt54x_device(mconfig, BT545S, tag, owner, clock)
+{
+}
+
+void bt54x_device::device_start()
+{
+}
+
+u8 bt54x_device::local_status_r()
{
return 0;
}
-void bt545s_device::local_map(address_map &map)
+void bt54x_device::local_map(address_map &map)
{
map(0x00000, 0x01fff).ram();
//map(0x02000, 0x0201f).rw("busintf", FUNC(ncr86c05_device::local_read), FUNC(ncr86c05_device::local_write));
- map(0x02080, 0x0208f).m("scsi:7:fsc", FUNC(ncr53cf94_device::map));
- map(0x02180, 0x02180).r(FUNC(bt545s_device::local_status_r));
+ map(0x02080, 0x0208f).m("scsi:7:scsic", FUNC(ncr53cf94_device::map));
+ map(0x02180, 0x02180).r(FUNC(bt54x_device::local_status_r));
map(0xf8000, 0xfffff).rom().region("mpu", 0);
}
+static void scsi_devices(device_slot_interface &device)
+{
+ device.option_add("cdrom", NSCSI_CDROM);
+ device.option_add("harddisk", NSCSI_HARDDISK);
+ device.option_add_internal("scsic", NCR53C94);
+}
+
static void fast_scsi_devices(device_slot_interface &device)
{
- // FIXME: these device options are placeholders
device.option_add("cdrom", NSCSI_CDROM);
device.option_add("harddisk", NSCSI_HARDDISK);
- device.option_add_internal("fsc", NCR53CF94); // FAS216
+ device.option_add_internal("scsic", NCR53CF94); // FAS216
+}
+
+void bt54x_device::asc_config(device_t *device)
+{
+ ncr53c94_device &asc = downcast<ncr53c94_device &>(*device);
+
+ asc.set_clock(25_MHz_XTAL);
+
+ asc.irq_handler_cb().set(m_mpu, FUNC(i80188_cpu_device::int0_w));
+ //asc.drq_handler_cb().set("busintf", FUNC(ncr86c05_device::dma_req_w));
}
-void bt545s_device::fsc_config(device_t *device)
+void bt54x_device::fsc_config(device_t *device)
{
ncr53cf94_device &fsc = downcast<ncr53cf94_device &>(*device);
fsc.set_clock(40_MHz_XTAL);
- fsc.irq_handler_cb().set(m_mpu, FUNC(i80188_cpu_device::int0_w)); // mostly polled
+ fsc.irq_handler_cb().set(m_mpu, FUNC(i80188_cpu_device::int0_w)); // mostly polled on BT-545S
//fsc.drq_handler_cb().set("busintf", FUNC(ncr86c05_device::dma_req_w));
}
-void bt545s_device::device_add_mconfig(machine_config &config)
+void bt54x_device::fsc_base(machine_config &config)
{
- I80188(config, m_mpu, 40_MHz_XTAL / 2); // SAB80188-1-N; clock guessed
- m_mpu->set_addrmap(AS_PROGRAM, &bt545s_device::local_map);
-
//ncr86c05_device &busintf(NCR86C05(config, "busintf", 0));
//busintf.mint_callback().set(m_mpu, FUNC(i80188_cpu_device::int1_w));
- //busintf.dma_ack_callback().set("scsi:7:fsc", FUNC(ncr53cf94_device::dma_w));
+ //busintf.dma_ack_callback().set("scsi:7:scsic", FUNC(ncr53cf94_device::dma_w));
NSCSI_BUS(config, "scsi");
NSCSI_CONNECTOR(config, "scsi:0", fast_scsi_devices, nullptr);
@@ -83,11 +116,67 @@ void bt545s_device::device_add_mconfig(machine_config &config)
NSCSI_CONNECTOR(config, "scsi:4", fast_scsi_devices, nullptr);
NSCSI_CONNECTOR(config, "scsi:5", fast_scsi_devices, nullptr);
NSCSI_CONNECTOR(config, "scsi:6", fast_scsi_devices, nullptr);
- NSCSI_CONNECTOR(config, "scsi:7", fast_scsi_devices, "fsc", true).set_option_machine_config("fsc", [this] (device_t *device) { fsc_config(device); });
+ NSCSI_CONNECTOR(config, "scsi:7", fast_scsi_devices, "scsic", true).set_option_machine_config("scsic", [this] (device_t *device) { fsc_config(device); });
+}
+
+void bt542b_device::device_add_mconfig(machine_config &config)
+{
+ I80188(config, m_mpu, 16_MHz_XTAL);
+ m_mpu->set_addrmap(AS_PROGRAM, &bt542b_device::local_map);
+
+ //ncr86c05_device &busintf(NCR86C05(config, "busintf", 0));
+ //busintf.mint_callback().set(m_mpu, FUNC(i80188_cpu_device::int1_w));
+ //busintf.dma_ack_callback().set("scsi:7:scsic", FUNC(ncr53c94_device::dma_w));
+
+ NSCSI_BUS(config, "scsi");
+ NSCSI_CONNECTOR(config, "scsi:0", scsi_devices, nullptr);
+ NSCSI_CONNECTOR(config, "scsi:1", scsi_devices, nullptr);
+ NSCSI_CONNECTOR(config, "scsi:2", scsi_devices, nullptr);
+ NSCSI_CONNECTOR(config, "scsi:3", scsi_devices, nullptr);
+ NSCSI_CONNECTOR(config, "scsi:4", scsi_devices, nullptr);
+ NSCSI_CONNECTOR(config, "scsi:5", scsi_devices, nullptr);
+ NSCSI_CONNECTOR(config, "scsi:6", scsi_devices, nullptr);
+ NSCSI_CONNECTOR(config, "scsi:7", scsi_devices, "scsic", true).set_option_machine_config("scsic", [this] (device_t *device) { asc_config(device); });
+
+ DP8473(config, m_fdc, 24_MHz_XTAL);
+}
+
+void bt542bh_device::device_add_mconfig(machine_config &config)
+{
+ I80188(config, m_mpu, 40_MHz_XTAL / 2); // clock guessed
+ m_mpu->set_addrmap(AS_PROGRAM, &bt542bh_device::local_map);
+
+ fsc_base(config);
+
+ DP8473(config, m_fdc, 24_MHz_XTAL);
+}
+
+void bt545s_device::device_add_mconfig(machine_config &config)
+{
+ I80188(config, m_mpu, 40_MHz_XTAL / 2); // SAB80188-1-N; clock guessed
+ m_mpu->set_addrmap(AS_PROGRAM, &bt545s_device::local_map);
+
+ fsc_base(config);
PC8477A(config, m_fdc, 24_MHz_XTAL); // actually PC8477BV
}
+ROM_START(bt542b)
+ ROM_REGION(0x4000, "bios", 0) // "(C) Copyright 1991 BIOS Version 2.41"
+ ROM_LOAD("1000006-2.41_bustek.u15", 0x0000, 0x4000, CRC(5eb00d0f) SHA1(74a8bbae1c2b42f0c605b0ac98660f1e16ac5c4e))
+
+ ROM_REGION(0x8000, "mpu", 0) // "(C) Copyright 1991 BusTek Corporation 542B 91/12/14"
+ ROM_LOAD("1000005-2.21_bustek.u2", 0x0000, 0x8000, CRC(c2c66653) SHA1(054ba1ea71b2aaab31ab9dd5aca955d861f5333b))
+ROM_END
+
+ROM_START(bt542bh)
+ ROM_REGION(0x8000, "bios", 0) // "(C) Copyright 1992 BIOS Version 4.70M"
+ ROM_LOAD("5000006-4.70_buslogic.u15", 0x0000, 0x8000, CRC(f5a5e116) SHA1(d7b73015532838dc694edf24308ebbab6f4dd5bb))
+
+ ROM_REGION(0x8000, "mpu", 0) // "(C) Copyright 1992 BusLogic Inc. 542BH93/05/23"
+ ROM_LOAD("5000005-3.35_buslogic.u2", 0x0000, 0x8000, CRC(181966c3) SHA1(b9b327d50cd13f3e5b5b53892b18f233aff065b7))
+ROM_END
+
ROM_START(bt545s)
ROM_REGION(0x4000, "bios", 0) // "(C) Copyright 1992 BIOS Version 4.50"
ROM_LOAD("u15_27128_5002026-4.50.bin", 0x0000, 0x4000, CRC(1bd3247b) SHA1(9d46a99f4b3057e94ef422f387218de2c4553c1a))
@@ -96,6 +185,16 @@ ROM_START(bt545s)
ROM_LOAD("u2_27256_5002005-3.31.bin", 0x0000, 0x8000, CRC(20473714) SHA1(797a8dba182049949f7a5c14d8bef4b4e908305b))
ROM_END
+const tiny_rom_entry *bt542b_device::device_rom_region() const
+{
+ return ROM_NAME(bt542b);
+}
+
+const tiny_rom_entry *bt542bh_device::device_rom_region() const
+{
+ return ROM_NAME(bt542bh);
+}
+
const tiny_rom_entry *bt545s_device::device_rom_region() const
{
return ROM_NAME(bt545s);
diff --git a/src/devices/bus/isa/bt54x.h b/src/devices/bus/isa/bt54x.h
index 754d561978b..dfdd0009416 100644
--- a/src/devices/bus/isa/bt54x.h
+++ b/src/devices/bus/isa/bt54x.h
@@ -15,29 +15,60 @@
#include "cpu/i86/i186.h"
#include "machine/upd765.h"
-class bt545s_device : public device_t, public device_isa16_card_interface
+class bt54x_device : public device_t, public device_isa16_card_interface
{
public:
- bt545s_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
-
static constexpr feature_type unemulated_features() { return feature::DISK; }
protected:
- virtual void device_add_mconfig(machine_config &config) override;
- virtual const tiny_rom_entry *device_rom_region() const override;
+ bt54x_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, u32 clock);
+
virtual void device_start() override;
-private:
u8 local_status_r();
void local_map(address_map &map);
+ void asc_config(device_t *device);
void fsc_config(device_t *device);
+ void fsc_base(machine_config &config);
required_device<i80188_cpu_device> m_mpu;
required_device<upd765_family_device> m_fdc;
required_region_ptr<u8> m_bios;
};
+class bt542b_device : public bt54x_device
+{
+public:
+ bt542b_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
+
+protected:
+ virtual void device_add_mconfig(machine_config &config) override;
+ virtual const tiny_rom_entry *device_rom_region() const override;
+};
+
+class bt542bh_device : public bt54x_device
+{
+public:
+ bt542bh_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
+
+protected:
+ virtual void device_add_mconfig(machine_config &config) override;
+ virtual const tiny_rom_entry *device_rom_region() const override;
+};
+
+class bt545s_device : public bt54x_device
+{
+public:
+ bt545s_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
+
+protected:
+ virtual void device_add_mconfig(machine_config &config) override;
+ virtual const tiny_rom_entry *device_rom_region() const override;
+};
+
+DECLARE_DEVICE_TYPE(BT542B, bt542b_device)
+DECLARE_DEVICE_TYPE(BT542BH, bt542bh_device)
DECLARE_DEVICE_TYPE(BT545S, bt545s_device)
#endif // MAME_BUS_ISA_BT54X_H
diff --git a/src/devices/bus/isa/isa_cards.cpp b/src/devices/bus/isa/isa_cards.cpp
index 97d676cd3e7..8ab0832c03d 100644
--- a/src/devices/bus/isa/isa_cards.cpp
+++ b/src/devices/bus/isa/isa_cards.cpp
@@ -183,6 +183,8 @@ void pc_isa16_cards(device_slot_interface &device)
device.option_add("wd1007a", WD1007A);
device.option_add("ev346", EV346);
device.option_add("jc1310", JC1310);
+ device.option_add("bt542b", BT542B);
+ device.option_add("bt542bh", BT542BH);
device.option_add("bt545s", BT545S);
device.option_add("dcb", NOVELL_DCB);
}