// license:GPL-2.0+ // copyright-holders:Peter Trauner /****************************************************************************** PeT peter.trauner@utanet.at 2000,2001 info found in bastian schick's bll and in cc65 for lynx ******************************************************************************/ #include "emu.h" #include "includes/lynx.h" #include "audio/lynx.h" #include "cpu/m6502/m65sc02.h" #include "softlist.h" #include "speaker.h" #include "lynx.lh" void lynx_state::lynx_mem(address_map &map) { map(0x0000, 0xfbff).ram().share("mem_0000"); map(0xfc00, 0xfcff).ram().share("mem_fc00"); map(0xfd00, 0xfdff).ram().share("mem_fd00"); map(0xfe00, 0xfff7).bankr("bank3").writeonly().share("mem_fe00"); map(0xfff8, 0xfff8).ram(); map(0xfff9, 0xfff9).rw(this, FUNC(lynx_state::lynx_memory_config_r), FUNC(lynx_state::lynx_memory_config_w)); map(0xfffa, 0xffff).bankr("bank4").writeonly().share("mem_fffa"); } static INPUT_PORTS_START( lynx ) PORT_START("JOY") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_NAME("A") PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_NAME("B") PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("Opt 2") PORT_CODE(KEYCODE_2) PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("Opt 1") PORT_CODE(KEYCODE_1) PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_START("PAUSE") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME(DEF_STR(Pause)) PORT_CODE(KEYCODE_3) // power on and power off buttons INPUT_PORTS_END PALETTE_INIT_MEMBER(lynx_state, lynx) { int i; for (i=0; i< 0x1000; i++) { palette.set_pen_color(i, ((i >> 0) & 0x0f) * 0x11, ((i >> 4) & 0x0f) * 0x11, ((i >> 8) & 0x0f) * 0x11); } } void lynx_state::video_start() { m_screen->register_screen_bitmap(m_bitmap); } uint32_t lynx_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { copybitmap(bitmap, m_bitmap, 0, 0, 0, 0, cliprect); return 0; } // callback for Mikey call of shift(3) which shall act on the lynx_timer_count_down void lynx_state::sound_cb() { lynx_timer_count_down(1); } MACHINE_CONFIG_START(lynx_state::lynx) /* basic machine hardware */ MCFG_DEVICE_ADD("maincpu", M65SC02, 4000000) /* vti core, integrated in vlsi, stz, but not bbr bbs */ MCFG_DEVICE_PROGRAM_MAP(lynx_mem) MCFG_QUANTUM_TIME(attotime::from_hz(60)) /* video hardware */ MCFG_SCREEN_ADD("screen", LCD) MCFG_SCREEN_REFRESH_RATE(LCD_FRAMES_PER_SECOND) MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */ MCFG_SCREEN_UPDATE_DRIVER(lynx_state, screen_update) MCFG_SCREEN_SIZE(160, 102) MCFG_SCREEN_VISIBLE_AREA(0, 160-1, 0, 102-1) MCFG_SCREEN_PALETTE("palette") MCFG_DEFAULT_LAYOUT(layout_lynx) MCFG_PALETTE_ADD("palette", 0x1000) MCFG_PALETTE_INIT_OWNER(lynx_state, lynx) /* sound hardware */ SPEAKER(config, "mono").front_center(); MCFG_DEVICE_ADD("custom", LYNX_SND, 0) MCFG_LYNX_SND_SET_TIMER(lynx_state, sound_cb) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50) /* devices */ MCFG_QUICKLOAD_ADD("quickload", lynx_state, lynx, "o", 0) MCFG_GENERIC_CARTSLOT_ADD("cartslot", generic_plain_slot, "lynx_cart") MCFG_GENERIC_EXTENSIONS("lnx,lyx") MCFG_GENERIC_MANDATORY MCFG_GENERIC_LOAD(lynx_state, lynx_cart) /* Software lists */ MCFG_SOFTWARE_LIST_ADD("cart_list","lynx") MACHINE_CONFIG_END #if 0 static MACHINE_CONFIG_START( lynx2 ) lynx(config); /* sound hardware */ MCFG_DEVICE_REMOVE("mono") SPEAKER(config, "lspeaker").front_left(); SPEAKER(config, "rspeaker").front_right(); MCFG_DEVICE_REMOVE("lynx") MCFG_DEVICE_ADD("custom", LYNX2_SND, 0) MCFG_LYNX_SND_SET_TIMER(lynx_state, sound_cb) MCFG_SOUND_ROUTE(0, "lspeaker", 0.50) MCFG_SOUND_ROUTE(1, "rspeaker", 0.50) MACHINE_CONFIG_END #endif /* these 2 dumps are saved from an running machine, and therefor the rom byte at 0xfff9 is not readable! (memory configuration) these 2 dumps differ only in this byte! */ ROM_START(lynx) ROM_REGION(0x200,"maincpu", 0) ROM_SYSTEM_BIOS( 0, "default", "rom save" ) ROMX_LOAD( "lynx.bin", 0x00000, 0x200, BAD_DUMP CRC(e1ffecb6) SHA1(de60f2263851bbe10e5801ef8f6c357a4bc077e6), ROM_BIOS(1)) ROM_SYSTEM_BIOS( 1, "a", "alternate rom save" ) ROMX_LOAD( "lynxa.bin", 0x00000, 0x200, BAD_DUMP CRC(0d973c9d) SHA1(e4ed47fae31693e016b081c6bda48da5b70d7ccb), ROM_BIOS(2)) ROM_REGION(0x100,"gfx1", ROMREGION_ERASE00) ROM_END #if 0 ROM_START(lynx2) ROM_REGION(0x200,"maincpu", 0) ROM_LOAD("lynx2.bin", 0, 0x200, NO_DUMP) ROM_REGION(0x100,"gfx1", ROMREGION_ERASE00) ROM_END #endif QUICKLOAD_LOAD_MEMBER( lynx_state, lynx ) { address_space &space = m_maincpu->space(AS_PROGRAM); std::vector data; uint8_t *rom = memregion("maincpu")->base(); uint8_t header[10]; // 80 08 dw Start dw Len B S 9 3 uint16_t start, length; int i; if (image.fread( header, sizeof(header)) != sizeof(header)) return image_init_result::FAIL; /* Check the image */ if (lynx_verify_cart((char*)header, LYNX_QUICKLOAD) != image_verify_result::PASS) return image_init_result::FAIL; start = header[3] | (header[2]<<8); //! big endian format in file format for little endian cpu length = header[5] | (header[4]<<8); length -= 10; data.resize(length); if (image.fread( &data[0], length) != length) { return image_init_result::FAIL; } for (i = 0; i < length; i++) space.write_byte(start + i, data[i]); rom[0x1fc] = start & 0xff; rom[0x1fd] = start >> 8; space.write_byte(0x1fc, start & 0xff); space.write_byte(0x1fd, start >> 8); m_maincpu->set_pc(start); return image_init_result::PASS; } /*************************************************************************** Game driver(s) ***************************************************************************/ /* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */ CONS( 1989, lynx, 0, 0, lynx, lynx, lynx_state, empty_init, "Atari", "Lynx", MACHINE_SUPPORTS_SAVE ) // CONS( 1991, lynx2, lynx, 0, lynx2, lynx, lynx_state, empty_init, "Atari", "Lynx II", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_SOUND )