// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** North Star MICRO-DISK System MDS-A (Single Density) emulation Copyright MESS Team. Visit http://mamedev.org for licensing and usage restrictions. **********************************************************************/ #include "nsmdsa.h" //************************************************************************** // DEVICE DEFINITIONS //************************************************************************** const device_type S100_MDS_A = &device_creator; //------------------------------------------------- // ROM( mds_a ) //------------------------------------------------- ROM_START( mds_a ) ROM_REGION( 0x100, "psel", 0 ) ROM_LOAD( "psel.7g", 0x000, 0x100, NO_DUMP ) // 74S287 ROM_REGION( 0x100, "pgm", 0 ) ROM_LOAD( "pgml.3f", 0x000, 0x100, NO_DUMP ) // 74S287 ROM_LOAD( "pgmr.3e", 0x000, 0x100, NO_DUMP ) // 74S287 ROM_LOAD( "horizon.bin", 0x000, 0x100, CRC(754e53e5) SHA1(875e42942d639b972252b87d86c3dc2133304967) BAD_DUMP ) ROM_END //------------------------------------------------- // rom_region - device-specific ROM region //------------------------------------------------- const rom_entry *s100_mds_a_device::device_rom_region() const { return ROM_NAME( mds_a ); } //------------------------------------------------- // SLOT_INTERFACE( mds_a_floppies ) //------------------------------------------------- static SLOT_INTERFACE_START( mds_a_floppies ) SLOT_INTERFACE( "525sd", FLOPPY_525_SD ) // Shugart SA-400 SLOT_INTERFACE_END //------------------------------------------------- // MACHINE_CONFIG_FRAGMENT( mds_a ) //------------------------------------------------- static MACHINE_CONFIG_FRAGMENT( mds_a ) MCFG_FLOPPY_DRIVE_ADD("floppy0", mds_a_floppies, "525sd", floppy_image_device::default_floppy_formats) MCFG_FLOPPY_DRIVE_ADD("floppy1", mds_a_floppies, "525sd", floppy_image_device::default_floppy_formats) MACHINE_CONFIG_END //------------------------------------------------- // machine_config_additions - device-specific // machine configurations //------------------------------------------------- machine_config_constructor s100_mds_a_device::device_mconfig_additions() const { return MACHINE_CONFIG_NAME( mds_a ); } //************************************************************************** // LIVE DEVICE //************************************************************************** //------------------------------------------------- // s100_mds_a_device - constructor //------------------------------------------------- s100_mds_a_device::s100_mds_a_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : device_t(mconfig, S100_MDS_A, "MDS-A", tag, owner, clock, "nsmdsa", __FILE__), device_s100_card_interface(mconfig, *this), m_floppy0(*this, "floppy0"), m_floppy1(*this, "floppy1"), m_psel_rom(*this, "psel"), m_pgm_rom(*this, "pgm") { } //------------------------------------------------- // device_start - device-specific startup //------------------------------------------------- void s100_mds_a_device::device_start() { } //------------------------------------------------- // device_reset - device-specific reset //------------------------------------------------- void s100_mds_a_device::device_reset() { } //------------------------------------------------- // s100_smemr_r - memory read //------------------------------------------------- UINT8 s100_mds_a_device::s100_smemr_r(address_space &space, offs_t offset) { return 0; }