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/***************************************************************************
Driver file to handle emulation of the Tiger Game.com by
Wilbert Pol
Todo:
everything
- Finish memory map, fill in details
- Finish input ports
- Finish palette code
- Finish machine driver struct
- Finish cartslot code
- Etc, etc, etc.
***************************************************************************/
#include "includes/gamecom.h"
static ADDRESS_MAP_START(gamecom_mem_map, AS_PROGRAM, 8, gamecom_state)
AM_RANGE( 0x0000, 0x0013 ) AM_RAM
AM_RANGE( 0x0014, 0x0017 ) AM_READWRITE( gamecom_pio_r, gamecom_pio_w ) // buttons
AM_RANGE( 0x0018, 0x001F ) AM_RAM
AM_RANGE( 0x0020, 0x007F ) AM_READWRITE( gamecom_internal_r, gamecom_internal_w )/* CPU internal register file */
AM_RANGE( 0x0080, 0x03FF ) AM_RAM /* RAM */
AM_RANGE( 0x0400, 0x0FFF ) AM_NOP /* Nothing */
AM_RANGE( 0x1000, 0x1FFF ) AM_ROM /* Internal ROM (initially), or External ROM/Flash. Controlled by MMU0 (never swapped out in game.com) */
AM_RANGE( 0x2000, 0x3FFF ) AM_ROMBANK("bank1") /* External ROM/Flash. Controlled by MMU1 */
AM_RANGE( 0x4000, 0x5FFF ) AM_ROMBANK("bank2") /* External ROM/Flash. Controlled by MMU2 */
AM_RANGE( 0x6000, 0x7FFF ) AM_ROMBANK("bank3") /* External ROM/Flash. Controlled by MMU3 */
AM_RANGE( 0x8000, 0x9FFF ) AM_ROMBANK("bank4") /* External ROM/Flash. Controlled by MMU4 */
AM_RANGE( 0xA000, 0xDFFF ) AM_RAM AM_SHARE("p_videoram") /* VRAM */
AM_RANGE( 0xE000, 0xFFFF ) AM_RAM AM_SHARE("p_nvram")// AM_SHARE("nvram") /* Extended I/O, Extended RAM */
ADDRESS_MAP_END
static INPUT_PORTS_START( gamecom )
PORT_START("IN0")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_NAME( "Up" )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_NAME( "Down" )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_NAME( "Left" )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_NAME( "Right" )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME( "Menu" ) PORT_CODE( KEYCODE_M )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME( DEF_STR(Pause) ) PORT_CODE( KEYCODE_V )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME( "Sound" ) PORT_CODE( KEYCODE_B )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME( "Button A" )
PORT_START("IN1")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_NAME( "Button B" )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_NAME( "Button C" )
PORT_START("IN2")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME( "Reset" ) PORT_CODE( KEYCODE_N )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_NAME( "Button D" )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME( "Stylus press" ) PORT_CODE( KEYCODE_Z ) PORT_CODE( MOUSECODE_BUTTON1 )
PORT_START("STYX")
PORT_BIT( 0xff, 100, IPT_LIGHTGUN_X ) PORT_CROSSHAIR(X, 1, 0, 0) PORT_MINMAX(0,199) PORT_SENSITIVITY(50) PORT_KEYDELTA(8)
PORT_START("STYY")
PORT_BIT( 0xff, 80, IPT_LIGHTGUN_Y ) PORT_CROSSHAIR(Y, 1, 0, 0) PORT_MINMAX(0,159) PORT_SENSITIVITY(50) PORT_KEYDELTA(8)
INPUT_PORTS_END
static const unsigned char palette[] =
{
0xDF, 0xFF, 0x8F, /* White */
0x8F, 0xCF, 0x8F, /* Gray 3 */
0x6F, 0x8F, 0x4F, /* Gray 2 */
0x0F, 0x4F, 0x2F, /* Gray 1 */
0x00, 0x00, 0x00, /* Black */
};
void gamecom_state::palette_init()
{
int index;
for ( index = 0; index < 5; index++ )
{
palette_set_color_rgb(machine(), 4-index, palette[index*3+0], palette[index*3+1], palette[index*3+2] );
}
}
UINT32 gamecom_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
copybitmap(bitmap, m_bitmap, 0, 0, 0, 0, cliprect);
return 0;
}
INTERRUPT_GEN_MEMBER(gamecom_state::gamecom_interrupt)
{
m_maincpu->set_input_line(sm8500_cpu_device::LCDC_INT, ASSERT_LINE );
}
static MACHINE_CONFIG_START( gamecom, gamecom_state )
/* basic machine hardware */
MCFG_CPU_ADD( "maincpu", SM8500, XTAL_11_0592MHz/2 ) /* actually it's an sm8521 microcontroller containing an sm8500 cpu */
MCFG_CPU_PROGRAM_MAP( gamecom_mem_map)
MCFG_SM8500_DMA_CB( WRITE8( gamecom_state, gamecom_handle_dma ) )
MCFG_SM8500_TIMER_CB( WRITE8( gamecom_state, gamecom_update_timers ) )
MCFG_CPU_VBLANK_INT_DRIVER("screen", gamecom_state, gamecom_interrupt)
MCFG_QUANTUM_TIME(attotime::from_hz(60))
//MCFG_NVRAM_ADD_0FILL("nvram")
/* video hardware */
MCFG_SCREEN_ADD("screen", LCD)
MCFG_SCREEN_REFRESH_RATE( 59.732155 )
MCFG_SCREEN_VBLANK_TIME(500)
MCFG_SCREEN_UPDATE_DRIVER(gamecom_state, screen_update)
MCFG_SCREEN_SIZE( 200, 200 )
MCFG_SCREEN_VISIBLE_AREA( 0, 199, 0, 159 )
MCFG_DEFAULT_LAYOUT(layout_lcd)
MCFG_PALETTE_LENGTH(5)
/* sound hardware */
#if 0
MCFG_SPEAKER_STANDARD_STEREO( "left", "right" )
/* MCFG_SOUND_ADD( "custom", CUSTOM, 0 ) */
/* MCFG_SOUND_CONFIG */
MCFG_SOUND_ROUTE( 0, "left", 0.50 )
MCFG_SOUND_ROUTE( 1, "right", 0.50 )
#endif
/* cartridge */
MCFG_CARTSLOT_ADD("cart1")
MCFG_CARTSLOT_EXTENSION_LIST("bin,tgc")
MCFG_CARTSLOT_INTERFACE("gamecom_cart")
MCFG_CARTSLOT_LOAD(gamecom_state,gamecom_cart1)
MCFG_SOFTWARE_LIST_ADD("cart_list","gamecom")
MCFG_CARTSLOT_ADD("cart2")
MCFG_CARTSLOT_EXTENSION_LIST("bin,tgc")
MCFG_CARTSLOT_INTERFACE("gamecom_cart")
MCFG_CARTSLOT_LOAD(gamecom_state,gamecom_cart2)
MACHINE_CONFIG_END
ROM_START( gamecom )
ROM_REGION( 0x2000, "maincpu", 0 )
ROM_LOAD( "internal.bin", 0x1000, 0x1000, CRC(a0cec361) SHA1(03368237e8fed4a8724f3b4a1596cf4b17c96d33) )
ROM_REGION( 0x40000, "kernel", 0 )
ROM_LOAD( "external.bin", 0x00000, 0x40000, CRC(e235a589) SHA1(97f782e72d738f4d7b861363266bf46b438d9b50) )
ROM_REGION( 0x200000, "cart1", ROMREGION_ERASEFF )
ROM_REGION( 0x200000, "cart2", ROMREGION_ERASEFF )
ROM_END
/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME */
CONS( 1997, gamecom, 0, 0, gamecom, gamecom, gamecom_state, gamecom,"Tiger", "Game.com", GAME_NOT_WORKING | GAME_NO_SOUND)
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