// license:BSD-3-Clause // copyright-holders:David Haywood /* ribbit racing -- prog rom 27c512 @ u7 sound roms -----u7-u10 and u11-u14 = 27c512 IC positions look similar to Awesome Toss 'em sound rom dumps weren't present even tho mentioned?? this appears to be the operators manual http://ohwow-arcade.com/Assets/Game_Manuals/RIBBIT%20RACIN.PDF */ #include "emu.h" #include "sound/okim6295.h" #include "speaker.h" class laz_ribrac_state : public driver_device { public: laz_ribrac_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) // ,m_maincpu(*this, "maincpu") { } virtual void machine_start() override; virtual void machine_reset() override; void laz_ribrac(machine_config &config); // required_device m_maincpu; }; static INPUT_PORTS_START( laz_ribrac ) INPUT_PORTS_END void laz_ribrac_state::machine_start() { } void laz_ribrac_state::machine_reset() { } MACHINE_CONFIG_START(laz_ribrac_state::laz_ribrac) /* basic machine hardware */ // MCFG_CPU_ADD("maincpu", ??, 8000000) // unknown // MCFG_CPU_PROGRAM_MAP(laz_ribrac_map) // MCFG_CPU_IO_MAP(laz_ribrac_io) /* sound hardware */ MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_OKIM6295_ADD("oki", 1000000, PIN7_HIGH) // maybe MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0) MACHINE_CONFIG_END ROM_START( ribrac ) ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD( "ribbitr.u7", 0x00000, 0x10000, CRC(9eb78ca3) SHA1(4fede7bdd30449602a01489dc72dbbd5452d6b5a) ) ROM_REGION( 0xc0000, "oki", 0 ) ROM_LOAD( "ribbitr_snd.u10", 0x00000, 0x10000, NO_DUMP ) ROM_LOAD( "ribbitr_snd.u9", 0x10000, 0x10000, NO_DUMP ) ROM_LOAD( "ribbitr_snd.u8", 0x20000, 0x10000, NO_DUMP ) ROM_LOAD( "ribbitr_snd.u7", 0x30000, 0x10000, NO_DUMP ) ROM_REGION( 0xc0000, "oki2", 0 ) ROM_LOAD( "ribbitr_snd.u14", 0x00000, 0x10000, NO_DUMP ) ROM_LOAD( "ribbitr_snd.u13", 0x10000, 0x10000, NO_DUMP ) ROM_LOAD( "ribbitr_snd.u12", 0x20000, 0x10000, NO_DUMP ) ROM_LOAD( "ribbitr_snd.u11", 0x30000, 0x10000, NO_DUMP ) ROM_END GAME( 1993, ribrac, 0, laz_ribrac, laz_ribrac, laz_ribrac_state, 0, ROT0, "Lazer-tron", "Ribbit Racing (Lazer-tron)", MACHINE_IS_SKELETON_MECHANICAL )