// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** RCA VIP Tiny BASIC VP-700 emulation Copyright MESS Team. Visit http://mamedev.org for licensing and usage restrictions. **********************************************************************/ #include "vp700.h" //************************************************************************** // DEVICE DEFINITIONS //************************************************************************** const device_type VP700 = &device_creator; //------------------------------------------------- // ROM( vp700 ) //------------------------------------------------- ROM_START( vp700 ) ROM_REGION( 0x1000, "vp700", 0 ) ROM_LOAD( "vp700.bin", 0x0000, 0x1000, CRC(3f2b8524) SHA1(8fa88740cae82d8d62ea34891a657d3ca1fb732a) ) ROM_END //------------------------------------------------- // rom_region - device-specific ROM region //------------------------------------------------- const rom_entry *vp700_device::device_rom_region() const { return ROM_NAME( vp700 ); } //************************************************************************** // LIVE DEVICE //************************************************************************** //------------------------------------------------- // vp700_device - constructor //------------------------------------------------- vp700_device::vp700_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : device_t(mconfig, VP700, "VP700", tag, owner, clock, "vp700", __FILE__), device_vip_expansion_card_interface(mconfig, *this), m_rom(*this, "vp700") { } //------------------------------------------------- // device_start - device-specific startup //------------------------------------------------- void vp700_device::device_start() { } //------------------------------------------------- // vip_program_r - program read //------------------------------------------------- UINT8 vp700_device::vip_program_r(address_space &space, offs_t offset, int cs, int cdef, int *minh) { UINT8 data = 0xff; if (offset < 0x1000) { *minh = 1; data = m_rom->base()[offset & 0xfff]; } return data; }