From c7170bed75f6a630c6e87a55374a41d876227544 Mon Sep 17 00:00:00 2001 From: mooglyguy Date: Sat, 15 Sep 2018 18:33:44 +0200 Subject: [PATCH] -sbus: Added a skeleton device for the SunSwift 10/100 + Fast Wide SCSI SBus board. [Ryan Holtz, Andrew Liles] --- scripts/src/bus.lua | 2 + src/devices/bus/sbus/hme.cpp | 71 +++++++++++++++++++++++++++++++++++ src/devices/bus/sbus/hme.h | 45 ++++++++++++++++++++++ src/devices/bus/sbus/sbus.cpp | 4 ++ 4 files changed, 122 insertions(+) create mode 100644 src/devices/bus/sbus/hme.cpp create mode 100644 src/devices/bus/sbus/hme.h diff --git a/scripts/src/bus.lua b/scripts/src/bus.lua index bbe03aaf72d..57995cf2c02 100644 --- a/scripts/src/bus.lua +++ b/scripts/src/bus.lua @@ -3042,6 +3042,8 @@ if (BUSES["SBUS"]~=null) then MAME_DIR .. "src/devices/bus/sbus/bwtwo.h", MAME_DIR .. "src/devices/bus/sbus/cgthree.cpp", MAME_DIR .. "src/devices/bus/sbus/cgthree.h", + MAME_DIR .. "src/devices/bus/sbus/hme.cpp", + MAME_DIR .. "src/devices/bus/sbus/hme.h", MAME_DIR .. "src/devices/bus/sbus/sunpc.cpp", MAME_DIR .. "src/devices/bus/sbus/sunpc.h", MAME_DIR .. "src/devices/bus/sbus/turbogx.cpp", diff --git a/src/devices/bus/sbus/hme.cpp b/src/devices/bus/sbus/hme.cpp new file mode 100644 index 00000000000..49d6f4e3988 --- /dev/null +++ b/src/devices/bus/sbus/hme.cpp @@ -0,0 +1,71 @@ +// license:BSD-3-Clause +// copyright-holders:Ryan Holtz +/*************************************************************************** + + Sun SunSwift 10/100 + Fast Wide SCSI "Colossus" skeleton + + Notable parts on board: + - 1x 32-pin PLCC ROM, label 525 / 1409 / -08 on separate lines + - 1x Sun STP2002QFP, marked 100-4156-05 / 609-0392458 / DP03972 + - 1x National Semiconductor DP83840AVCE-1 Ethernet Physical Layer + - 1x National Semiconductor DP83223V Twisted Pair Transceiver + +***************************************************************************/ + +#include "emu.h" +#include "hme.h" + +DEFINE_DEVICE_TYPE(SBUS_HME, sbus_hme_device, "sbus_hme", "Sun 10/100 + Fast Wide SCSI") + +void sbus_hme_device::mem_map(address_map &map) +{ + map(0x00000000, 0x01ffffff).rw(FUNC(sbus_hme_device::unknown_r), FUNC(sbus_hme_device::unknown_w)); + map(0x00000000, 0x0000ffff).r(FUNC(sbus_hme_device::rom_r)); +} + +ROM_START( sbus_hme ) + ROM_REGION32_BE(0x10000, "prom", ROMREGION_ERASEFF) + ROM_LOAD( "525 1409 -08.bin", 0x00000, 0x10000, CRC(10f0b28f) SHA1(b54bb0f01c45accdbc58c3a86f8de34949374880)) +ROM_END + +const tiny_rom_entry *sbus_hme_device::device_rom_region() const +{ + return ROM_NAME( sbus_hme ); +} + +void sbus_hme_device::device_add_mconfig(machine_config &config) +{ +} + + +sbus_hme_device::sbus_hme_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) + : device_t(mconfig, SBUS_HME, tag, owner, clock) + , device_sbus_card_interface(mconfig, *this) + , m_rom(*this, "prom") +{ +} + +void sbus_hme_device::device_start() +{ +} + +void sbus_hme_device::install_device() +{ + m_sbus->install_device(m_base, m_base + 0x1ffffff, *this, &sbus_hme_device::mem_map); +} + +READ32_MEMBER(sbus_hme_device::unknown_r) +{ + logerror("%s: unknown_r: %08x & %08x\n", machine().describe_context(), offset << 2, mem_mask); + return 0; +} + +WRITE32_MEMBER(sbus_hme_device::unknown_w) +{ + logerror("%s: unknown_w: %08x = %08x & %08x\n", machine().describe_context(), offset << 2, data, mem_mask); +} + +READ32_MEMBER(sbus_hme_device::rom_r) +{ + return ((uint32_t*)m_rom->base())[offset]; +} diff --git a/src/devices/bus/sbus/hme.h b/src/devices/bus/sbus/hme.h new file mode 100644 index 00000000000..9c1506d37a2 --- /dev/null +++ b/src/devices/bus/sbus/hme.h @@ -0,0 +1,45 @@ +// license:BSD-3-Clause +// copyright-holders:Ryan Holtz +/*************************************************************************** + + Sun SunSwift 10/100 + Fast Wide SCSI "Colossus" skeleton + +***************************************************************************/ + +#ifndef MAME_BUS_SBUS_HME_H +#define MAME_BUS_SBUS_HME_H + +#pragma once + +#include "sbus.h" + + +class sbus_hme_device : public device_t, public device_sbus_card_interface +{ +public: + // construction/destruction + sbus_hme_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + +protected: + // device_t overrides + virtual const tiny_rom_entry *device_rom_region() const override; + virtual void device_add_mconfig(machine_config &config) override; + virtual void device_start() override; + + // device_sbus_slot_interface overrides + virtual void install_device() override; + + DECLARE_READ32_MEMBER(unknown_r); + DECLARE_WRITE32_MEMBER(unknown_w); + DECLARE_READ32_MEMBER(rom_r); + +private: + void mem_map(address_map &map) override; + + required_memory_region m_rom; +}; + +// device type definition +DECLARE_DEVICE_TYPE(SBUS_HME, sbus_hme_device) + +#endif // MAME_BUS_SBUS_HME_H diff --git a/src/devices/bus/sbus/sbus.cpp b/src/devices/bus/sbus/sbus.cpp index 5ac9d416685..0adb7159418 100644 --- a/src/devices/bus/sbus/sbus.cpp +++ b/src/devices/bus/sbus/sbus.cpp @@ -16,6 +16,9 @@ // Accelerator boards #include "sunpc.h" +// Peripheral boards +#include "hme.h" + #include "sbus.h" void sbus_cards(device_slot_interface &device) @@ -24,6 +27,7 @@ void sbus_cards(device_slot_interface &device) device.option_add("cgthree", SBUS_CGTHREE); /* Sun cgthree color display board */ device.option_add("turbogx", SBUS_TURBOGX); /* Sun TurboGX 8-bit color display board */ device.option_add("sunpc", SBUS_SUNPC); /* Sun SunPC 5x86 Accelerator board */ + device.option_add("hme", SBUS_HME); /* Sun SunSwift 10/100 + Fast Wide SCSI "Colossus" board */ } DEFINE_DEVICE_TYPE(SBUS_SLOT, sbus_slot_device, "sbus_slot", "Sun SBus Slot")