// license:BSD-3-Clause // copyright-holders:Ryan Holtz /*************************************************************************** Artecon SB-300P 3-serial 1-parallel SBus card skeleton The Artecon SB series of SBus cards uses up to 4 Cirrus Logic CL-CD1400 Four-Channel Serial/Parallel Communications Engines. Each chip supports up to four full-duplex serial channels, or three full-duplex serial channels and one high-speed bidirectional parallel channel. ***************************************************************************/ #include "emu.h" #include "artecon.h" DEFINE_DEVICE_TYPE(SBUS_SB300P, sbus_artecon_device, "sb300p", "Artecon SB-300P 3S/1P controller") void sbus_artecon_device::mem_map(address_map &map) { map(0x00000000, 0x01ffffff).rw(FUNC(sbus_artecon_device::unknown_r), FUNC(sbus_artecon_device::unknown_w)); map(0x00000000, 0x00003fff).r(FUNC(sbus_artecon_device::rom_r)); } ROM_START( sbus_artecon ) ROM_REGION32_BE(0x8000, "prom", ROMREGION_ERASEFF) ROM_LOAD( "artecon_sbus_port.bin", 0x0000, 0x4000, CRC(bced6981) SHA1(1c6006fb8cb555eff0cb7c2783c776d05c6797f8)) ROM_END const tiny_rom_entry *sbus_artecon_device::device_rom_region() const { return ROM_NAME( sbus_artecon ); } void sbus_artecon_device::device_add_mconfig(machine_config &config) { } sbus_artecon_device::sbus_artecon_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock) : device_t(mconfig, SBUS_SB300P, tag, owner, clock) , device_sbus_card_interface(mconfig, *this) , m_rom(*this, "prom") { } void sbus_artecon_device::device_start() { } void sbus_artecon_device::install_device() { m_sbus->install_device(m_base, m_base + 0x1ffffff, *this, &sbus_artecon_device::mem_map); } uint32_t sbus_artecon_device::unknown_r(offs_t offset, uint32_t mem_mask) { logerror("%s: unknown_r: %08x & %08x\n", machine().describe_context(), offset << 2, mem_mask); return 0; } void sbus_artecon_device::unknown_w(offs_t offset, uint32_t data, uint32_t mem_mask) { logerror("%s: unknown_w: %08x = %08x & %08x\n", machine().describe_context(), offset << 2, data, mem_mask); } uint32_t sbus_artecon_device::rom_r(offs_t offset) { return ((uint32_t*)m_rom->base())[offset]; }