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-rw-r--r--src/devices/bus/isa/aha1542b.cpp126
1 files changed, 126 insertions, 0 deletions
diff --git a/src/devices/bus/isa/aha1542b.cpp b/src/devices/bus/isa/aha1542b.cpp
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index 00000000000..e0073cbbd68
--- /dev/null
+++ b/src/devices/bus/isa/aha1542b.cpp
@@ -0,0 +1,126 @@
+// license:BSD-3-Clause
+// copyright-holders:AJR
+/***************************************************************************
+
+ Adaptec AHA-1540/42A and AHA-1540/42B SCSI controllers
+
+ The alternate BIOSes using port 334h instead of 330h are provided due
+ to certain MIDI cards requiring the 330h port.
+
+***************************************************************************/
+
+#include "emu.h"
+#include "aha1542b.h"
+
+#include "cpu/i8085/i8085.h"
+#include "machine/aic6250.h"
+#include "machine/nscsi_bus.h"
+#include "machine/nscsi_hd.h"
+
+
+DEFINE_DEVICE_TYPE(AHA1542A, aha1542a_device, "aha1542a", "AHA-1542A SCSI Controller")
+DEFINE_DEVICE_TYPE(AHA1542B, aha1542b_device, "aha1542b", "AHA-1542B SCSI Controller")
+
+
+aha154x_device::aha154x_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_fdc(*this, "fdc")
+ , m_bios(*this, "bios")
+{
+}
+
+aha1542a_device::aha1542a_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
+ : aha154x_device(mconfig, AHA1542A, tag, owner, clock)
+{
+}
+
+aha1542b_device::aha1542b_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
+ : aha154x_device(mconfig, AHA1542B, tag, owner, clock)
+{
+}
+
+void aha154x_device::device_start()
+{
+}
+
+void aha154x_device::i8085_map(address_map &map)
+{
+ map(0x0000, 0x3fff).rom().region("mcode", 0);
+ map(0x8000, 0x800f).m("scsi:7:scsic", FUNC(aic6250_device::map));
+ map(0xe000, 0xe7ff).ram();
+}
+
+static void aha154x_scsi_devices(device_slot_interface &device)
+{
+ device.option_add("harddisk", NSCSI_HARDDISK);
+ device.option_add_internal("scsic", AIC6250);
+}
+
+void aha154x_device::scsic_config(device_t *device)
+{
+ device->set_clock(20'000'000);
+ downcast<aic6250_device &>(*device).int_cb().set_inputline("^^localcpu", I8085_RST65_LINE);
+}
+
+void aha154x_device::device_add_mconfig(machine_config &config)
+{
+ i8085a_cpu_device &localcpu(I8085A(config, "localcpu", 10'000'000));
+ localcpu.set_addrmap(AS_PROGRAM, &aha154x_device::i8085_map);
+
+ NSCSI_BUS(config, "scsi");
+ NSCSI_CONNECTOR(config, "scsi:0", aha154x_scsi_devices, nullptr);
+ NSCSI_CONNECTOR(config, "scsi:1", aha154x_scsi_devices, nullptr);
+ NSCSI_CONNECTOR(config, "scsi:2", aha154x_scsi_devices, nullptr);
+ NSCSI_CONNECTOR(config, "scsi:3", aha154x_scsi_devices, nullptr);
+ NSCSI_CONNECTOR(config, "scsi:4", aha154x_scsi_devices, nullptr);
+ NSCSI_CONNECTOR(config, "scsi:5", aha154x_scsi_devices, nullptr);
+ NSCSI_CONNECTOR(config, "scsi:6", aha154x_scsi_devices, nullptr);
+ NSCSI_CONNECTOR(config, "scsi:7", aha154x_scsi_devices, "scsic", true)
+ .set_option_machine_config("scsic", [this] (device_t *device) { scsic_config(device); });
+
+ DP8473(config, m_fdc, 24_MHz_XTAL);
+}
+
+
+ROM_START(aha1542a)
+ ROM_REGION(0x4000, "bios", 0)
+ ROM_LOAD("b_9700.bin", 0x0000, 0x4000, CRC(35f546e9) SHA1(f559b08f52044f53836021a83f56f628e32216bd))
+
+ ROM_REGION(0x4000, "mcode", 0)
+ ROM_LOAD("m_e7bc.bin", 0x0000, 0x4000, CRC(985b7a31) SHA1(bba0d84fa1b67ea71905953c25201fa2020cf465))
+ROM_END
+
+ROM_START(aha1542b)
+ ROM_REGION(0x4000, "bios", 0)
+ ROM_SYSTEM_BIOS(0, "v310", "AT/SCSI BIOS Version 3.10")
+ ROMX_LOAD("adaptec_inc_420412-00_b_bios_bc00_1990.bin", 0x0000, 0x4000, CRC(bd3f74e7) SHA1(c38d82fd50e5439812fa093e0d4f5fd136c63844), ROM_BIOS(0))
+ ROM_SYSTEM_BIOS(1, "v310a", "AT/SCSI BIOS Version 3.10A (port 334h)")
+ ROMX_LOAD("154xp334.bin", 0x0000, 0x4000, CRC(4911f232) SHA1(2e24ce380c6f7694c45484019857cb919e2a9965), ROM_BIOS(1))
+ ROM_SYSTEM_BIOS(2, "v311", "AT/SCSI BIOS Version 3.11")
+ ROMX_LOAD("bios_c900.u13", 0x0000, 0x4000, CRC(4660d0c1) SHA1(a581291de96836b6f6cc0b6244b8fa1ee333346a), ROM_BIOS(2))
+ ROM_SYSTEM_BIOS(3, "v320g", "AT/SCSI BIOS Version 3.20 (> 1 GB support)")
+ ROMX_LOAD("b_bd00.bin", 0x0000, 0x4000, CRC(2387197b) SHA1(703e1fe1ba924c02d617ac37ec7a20e12bef1cc7), ROM_BIOS(3))
+ ROM_SYSTEM_BIOS(4, "v320gt", "AT/SCSI BIOS Version 3.20 (extended timeout)")
+ ROMX_LOAD("b_b300.bin", 0x0000, 0x4000, CRC(4c5b07d8) SHA1(692e824f916f55519c9905839f5f6609f5e8c0a5), ROM_BIOS(4))
+ ROM_SYSTEM_BIOS(5, "v320a", "AT/SCSI BIOS Version 3.20Alt (port 334h)")
+ ROMX_LOAD("b_ac00.bin", 0x0000, 0x4000, CRC(becd6d08) SHA1(b5e7cbdeb241c1ff57602291e87c58ac0ee72d54), ROM_BIOS(5))
+
+ ROM_REGION(0x4000, "mcode", 0)
+ ROMX_LOAD("adaptec_inc_434108-00_a_mcode_fc8a_1990.bin", 0x0000, 0x4000, CRC(6801f89e) SHA1(33d36bc93734105b950414e7c433a283032838e9), ROM_BIOS(0))
+ ROMX_LOAD("adaptec_inc_434108-00_a_mcode_fc8a_1990.bin", 0x0000, 0x4000, CRC(6801f89e) SHA1(33d36bc93734105b950414e7c433a283032838e9), ROM_BIOS(1)) // assumed compatible with v310a BIOS
+ ROMX_LOAD("firmware_62d3.u12", 0x0000, 0x4000, CRC(6056ca33) SHA1(8dd4aaffcb107dbcc85ac87d878fa6093b904a20), ROM_BIOS(2))
+ ROMX_LOAD("m_3054.bin", 0x0000, 0x4000, CRC(461b1885) SHA1(50dc49b0fd88b116b83e3c71f58c758b618d1ddf), ROM_BIOS(3))
+ ROMX_LOAD("m_5d98.bin", 0x0000, 0x4000, CRC(f7d51536) SHA1(5ad1bb4bde3e8c30380b05d32ac273c781ab12a8), ROM_BIOS(4)) // also provided with v320g BIOS
+ ROMX_LOAD("m_3054.bin", 0x0000, 0x4000, CRC(461b1885) SHA1(50dc49b0fd88b116b83e3c71f58c758b618d1ddf), ROM_BIOS(5))
+ROM_END
+
+const tiny_rom_entry *aha1542a_device::device_rom_region() const
+{
+ return ROM_NAME(aha1542a);
+}
+
+const tiny_rom_entry *aha1542b_device::device_rom_region() const
+{
+ return ROM_NAME(aha1542b);
+}