diff options
author | 2019-03-23 15:10:16 -0400 | |
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committer | 2019-03-23 15:10:16 -0400 | |
commit | 17732105b222d486ab444d99f98ef93df2e9f889 (patch) | |
tree | a639486dac3b09de91b0d0277285dd763bc3dd64 /src/devices/bus/isa/bt54x.cpp | |
parent | 94189b7140d22ba4535c7bbd48d3432e66298c4f (diff) |
Add ROMs for BT-542B ISA SCSI controller
Diffstat (limited to 'src/devices/bus/isa/bt54x.cpp')
-rw-r--r-- | src/devices/bus/isa/bt54x.cpp | 133 |
1 files changed, 116 insertions, 17 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); |