/*************************************************************************** Driver for Casio CFX-9850 To operate: The unit is switched off by default, you have to switch it on by pressing 'Q'. Currently (year2011) it is on by default, the only key that works is '\' which turns it off. After that nothing happens. Debugging information: 1. g 10b3 (Initialise system) 2. cs=23 3. ip= one of these: ip=d1a4,d1af,d1ba,d1c5,d1d0,d1db,d1ea,d1f9,d208,d217, d226,d235,d244 4. g 23108c to get a test pattern on the screen. ***************************************************************************/ #include "emu.h" #include "cpu/hcd62121/hcd62121.h" #include "rendlay.h" class cfx9850_state : public driver_device { public: cfx9850_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_video_ram(*this, "video_ram"), m_display_ram(*this, "display_ram") { } DECLARE_WRITE8_MEMBER(cfx9850_kol_w); DECLARE_WRITE8_MEMBER(cfx9850_koh_w); DECLARE_READ8_MEMBER(cfx9850_ki_r); DECLARE_READ8_MEMBER(cfx9850_battery_level_r); required_shared_ptr m_video_ram; required_shared_ptr m_display_ram; UINT16 m_ko; /* KO lines KO1 - KO14 */ virtual void palette_init(); UINT32 screen_update_cfx9850(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); }; static ADDRESS_MAP_START( cfx9850, AS_PROGRAM, 8, cfx9850_state ) AM_RANGE( 0x000000, 0x007fff ) AM_ROM AM_RANGE( 0x080000, 0x0807ff ) AM_RAM AM_SHARE("video_ram") // AM_RANGE( 0x100000, 0x10ffff ) /* some memory mapped i/o? */ // AM_RANGE( 0x110000, 0x11ffff ) /* some memory mapped i/o? */ AM_RANGE( 0x200000, 0x27ffff ) AM_ROM AM_REGION( "bios", 0 ) AM_RANGE( 0x400000, 0x40ffff ) AM_RAM AM_RANGE( 0x600000, 0x601fff ) AM_MIRROR(0xf800) AM_RAM AM_SHARE("display_ram") // AM_RANGE( 0xe10000, 0xe1ffff ) /* some memory mapped i/o? */ ADDRESS_MAP_END WRITE8_MEMBER( cfx9850_state::cfx9850_kol_w ) { m_ko = ( m_ko & 0xff00 ) | data; } WRITE8_MEMBER( cfx9850_state::cfx9850_koh_w ) { m_ko = ( m_ko & 0x00ff ) | ( data << 8 ); } READ8_MEMBER( cfx9850_state::cfx9850_ki_r ) { UINT8 i, data = 0; char kbdrow[8]; for (i = 0; i < 13; i++) { if (BIT(m_ko, i)) { sprintf(kbdrow,"KO%d", i+1); data |= ioport(kbdrow)->read(); } } return data; } READ8_MEMBER( cfx9850_state::cfx9850_battery_level_r ) { return 0x30; } static ADDRESS_MAP_START( cfx9850_io, AS_IO, 8, cfx9850_state ) AM_RANGE( HCD62121_KOL, HCD62121_KOL ) AM_WRITE( cfx9850_kol_w ) AM_RANGE( HCD62121_KOH, HCD62121_KOH ) AM_WRITE( cfx9850_koh_w ) AM_RANGE( HCD62121_KI, HCD62121_KI ) AM_READ( cfx9850_ki_r ) AM_RANGE( HCD62121_IN0, HCD62121_IN0 ) AM_READ( cfx9850_battery_level_r ) ADDRESS_MAP_END static INPUT_PORTS_START( cfx9850 ) PORT_START( "KO1" ) PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "AC On/Off" ) PORT_CODE(KEYCODE_BACKSLASH) PORT_BIT( 0xfe, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_START( "KO2" ) PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "EXE Enter" ) PORT_CODE(KEYCODE_ENTER) PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "(-) Ares" ) PORT_CODE(KEYCODE_MINUS) PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "EXP Pi" ) PORT_CODE(KEYCODE_EQUALS) PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( ". SPACE" ) PORT_CODE(KEYCODE_SPACE) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "0 Z" ) PORT_CODE(KEYCODE_Z) PORT_BIT( 0x83, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_START( "KO3" ) PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "- ] Y" ) PORT_CODE(KEYCODE_Y) PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "+ [ X" ) PORT_CODE(KEYCODE_X) PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "3 W" ) PORT_CODE(KEYCODE_W) PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "2 V" ) PORT_CODE(KEYCODE_V) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "1 U" ) PORT_CODE(KEYCODE_U) PORT_BIT( 0x83, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_START( "KO4" ) PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "/ } T" ) PORT_CODE(KEYCODE_T) PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "* { S" ) PORT_CODE(KEYCODE_S) PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "6 R" ) PORT_CODE(KEYCODE_R) PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "5 Q" ) PORT_CODE(KEYCODE_Q) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "4 P" ) PORT_CODE(KEYCODE_P) PORT_BIT( 0x83, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_START( "KO5" ) PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "DEL DG" ) PORT_CODE(KEYCODE_BACKSPACE) PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "9 O" ) PORT_CODE(KEYCODE_O) PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "8 N" ) PORT_CODE(KEYCODE_N) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "7 M" ) PORT_CODE(KEYCODE_M) PORT_BIT( 0x87, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_START( "KO6" ) PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "TAB L" ) PORT_CODE(KEYCODE_L) PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( ", K" ) PORT_CODE(KEYCODE_K) PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( ") x^-1 J" ) PORT_CODE(KEYCODE_J) PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "( .. I" ) PORT_CODE(KEYCODE_I) PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "F<=>0 H" ) PORT_CODE(KEYCODE_H) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "a b/c G" ) PORT_CODE(KEYCODE_G) PORT_BIT( 0x81, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_START( "KO7" ) PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "tan tan^-1 F" ) PORT_CODE(KEYCODE_F) PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "cos cas^-1 E" ) PORT_CODE(KEYCODE_E) PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "sin sin^-1 D" ) PORT_CODE(KEYCODE_D) PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "ln e^x C" ) PORT_CODE(KEYCODE_C) PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "log 10^x B" ) PORT_CODE(KEYCODE_B) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "x,d,t A" ) PORT_CODE(KEYCODE_A) PORT_BIT( 0x81, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_START( "KO8" ) PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "Right" ) PORT_CODE(KEYCODE_RIGHT) PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "Down" ) PORT_CODE(KEYCODE_DOWN) PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "EXIT QUIT" ) PORT_CODE(KEYCODE_STOP) PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "/\\ .. .." ) PORT_CODE(KEYCODE_COMMA) PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "x^2 sqrt .." ) PORT_CODE(KEYCODE_SLASH) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "ALPHA ..-LOCK" ) PORT_CODE(KEYCODE_CAPSLOCK) PORT_BIT( 0x81, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_START( "KO9" ) PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "Up" ) PORT_CODE(KEYCODE_UP) PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "Left" ) PORT_CODE(KEYCODE_LEFT) PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "MENU SET UP" ) PORT_CODE(KEYCODE_OPENBRACE) PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "VARS PRGM" ) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "OPTN" ) PORT_CODE(KEYCODE_LCONTROL) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "SHIFT" ) PORT_CODE(KEYCODE_LSHIFT) PORT_BIT( 0x81, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_START( "KO10" ) PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "F6 G<=>T" ) PORT_CODE(KEYCODE_F6) PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "F5 G-Solv" ) PORT_CODE(KEYCODE_F5) PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "F4 Sketch" ) PORT_CODE(KEYCODE_F4) PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "F3 V-Window" ) PORT_CODE(KEYCODE_F3) PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "F2 Zoom" ) PORT_CODE(KEYCODE_F2) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "F1 Trace" ) PORT_CODE(KEYCODE_F1) PORT_BIT( 0x81, IP_ACTIVE_HIGH, IPT_UNUSED ) /* KO11 is not connected */ PORT_START( "KO11" ) PORT_BIT( 0xff, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_START( "KO12" ) PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME( "TEST" ) PORT_CODE(KEYCODE_TILDE) PORT_BIT( 0xf7, IP_ACTIVE_HIGH, IPT_UNUSED ) INPUT_PORTS_END void cfx9850_state::palette_init() { palette_set_color_rgb( machine(), 0, 0xff, 0xff, 0xff ); palette_set_color_rgb( machine(), 1, 0x00, 0x00, 0xff ); palette_set_color_rgb( machine(), 2, 0x00, 0xff, 0x00 ); palette_set_color_rgb( machine(), 3, 0xff, 0x00, 0x00 ); } UINT32 cfx9850_state::screen_update_cfx9850(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { UINT16 offset = 0; for ( int i = 0; i < 16; i++ ) { int x = 120 - i * 8; for ( int j = 0; j < 64; j++ ) { UINT8 data1 = m_display_ram[ offset ]; UINT8 data2 = m_display_ram[ offset + 0x400 ]; for ( int b = 0; b < 8; b++ ) { bitmap.pix16(63-j, x+b) = ( data1 & 0x80 ) ? ( data2 & 0x80 ? 3 : 2 ) : ( data2 & 0x80 ? 1 : 0 ); data1 <<= 1; data2 <<= 1; } offset++; } } return 0; } static MACHINE_CONFIG_START( cfx9850, cfx9850_state ) MCFG_CPU_ADD( "maincpu", HCD62121, 4300000 ) /* 4.3 MHz */ MCFG_CPU_PROGRAM_MAP( cfx9850 ) MCFG_CPU_IO_MAP( cfx9850_io ) MCFG_SCREEN_ADD( "screen", LCD ) MCFG_SCREEN_REFRESH_RATE( 60 ) MCFG_SCREEN_SIZE( 128, 64 ) MCFG_SCREEN_VISIBLE_AREA( 0, 127, 0, 63 ) MCFG_SCREEN_UPDATE_DRIVER(cfx9850_state, screen_update_cfx9850) MCFG_DEFAULT_LAYOUT(layout_lcd) /* TODO: It uses a color display, but I'm being lazy here. 3 colour lcd */ MCFG_PALETTE_LENGTH( 4 ) MACHINE_CONFIG_END ROM_START( cfx9850 ) ROM_REGION( 0x8000, "maincpu", 0 ) ROM_LOAD( "hcd62121.bin", 0x0000, 0x8000, CRC(e72075f8) SHA1(f50d176e1c225dab69abfc67702c9dfb296b6a78) ) ROM_REGION( 0x80000, "bios", 0 ) /* No idea yet which rom is what version. */ ROM_SYSTEM_BIOS( 0, "rom1", "rom1, version unknown" ) ROMX_LOAD( "cfx9850.bin", 0x00000, 0x80000, CRC(6c9bd903) SHA1(d5b6677ab4e0d3f84e5769e89e8f3d101f98f848), ROM_BIOS(1) ) ROM_SYSTEM_BIOS( 1, "rom2", "rom2, version unknown" ) ROMX_LOAD( "cfx9850b.bin", 0x00000, 0x80000, CRC(cd3c497f) SHA1(1d1aa38205eec7aba3ed6bef7389767e38afe075), ROM_BIOS(2) ) ROM_END COMP( 1996, cfx9850, 0, 0, cfx9850, cfx9850, driver_device, 0, "Casio", "CFX-9850G", GAME_NO_SOUND | GAME_NOT_WORKING )