diff options
Diffstat (limited to 'src/devices/bus/isa/aha1542b.cpp')
-rw-r--r-- | src/devices/bus/isa/aha1542b.cpp | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/src/devices/bus/isa/aha1542b.cpp b/src/devices/bus/isa/aha1542b.cpp new file mode 100644 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); +} |