diff options
Diffstat (limited to 'src/mame/drivers/trvquest.c')
-rw-r--r-- | src/mame/drivers/trvquest.c | 334 |
1 files changed, 334 insertions, 0 deletions
diff --git a/src/mame/drivers/trvquest.c b/src/mame/drivers/trvquest.c new file mode 100644 index 00000000000..d525dc42f93 --- /dev/null +++ b/src/mame/drivers/trvquest.c @@ -0,0 +1,334 @@ +/* + +Trivia Quest +Sunn/Techstar 1984 + +CPU: 6809 +Three SY6522 - for flashing lighted buttons? + +Sound: Two AY-3-8910 + +Forty eight! MK4027 4K Rams + +Six 6116 Rams with battery backup + +Two Crystals: +11.6688 Mhz +6 Mhz + +Two 8 position DIPS + +rom3 thru rom7 - Main pcb PRG. + +roma thru romi - Sub pcb Questions. + +The main pcb had empty sockets for +rom0, rom1 and rom2. +This pcb has been tested and works +as is. + + driver by Pierpaolo Prazzoli + +Notes: +- Hardware is similar to the one in gameplan.c + +*/ + +#include "driver.h" +#include "machine/6522via.h" +#include "sound/ay8910.h" + +static int cmd,portA; +static UINT8 xpos,ypos; + +static int trvquest_question = 0; + +static WRITE8_HANDLER( trvquest_video_portA_w ) +{ + portA = data; +} + +static WRITE8_HANDLER( trvquest_video_portB_w ) +{ + cmd = data & 7; +} + +static WRITE8_HANDLER( trvquest_video_CA2_w ) +{ + if (data != 0) return; + + switch (cmd) + { + case 0: // draw pixel + if (portA & 0x10) // auto increment X + { + if (portA & 0x40) + xpos--; + else + xpos++; + } + if (portA & 0x20) // auto increment Y + { + if (portA & 0x80) + ypos--; + else + ypos++; + } + + *BITMAP_ADDR16(tmpbitmap, ypos, xpos) = Machine->pens[portA & 7]; + break; + + case 1: // load X register + xpos = portA; + break; + + case 2: // load Y register + ypos = portA; + break; + + case 3: // clear screen + fillbitmap(tmpbitmap, Machine->pens[portA & 7], NULL); + break; + } +} + +static WRITE8_HANDLER( trvquest_question_w ) +{ + trvquest_question = data; +} + +static READ8_HANDLER( trvquest_question_r ) +{ + return memory_region(REGION_USER1)[trvquest_question * 0x2000 + offset]; +} + +static READ8_HANDLER( trvquest_vblank_r ) +{ + return 0x20; +} + +static WRITE8_HANDLER( trvquest_coin_w ) +{ + coin_counter_w(0,~data & 1); +} + +static WRITE8_HANDLER( trvquest_misc_w ) +{ + // data & 1 -> led on/off ? +} + +static ADDRESS_MAP_START( cpu_map, ADDRESS_SPACE_PROGRAM, 8 ) + AM_RANGE(0x0000, 0x1fff) AM_RAM AM_BASE(&generic_nvram) AM_SIZE(&generic_nvram_size) // cmos ram + AM_RANGE(0x2000, 0x27ff) AM_RAM // main ram + AM_RANGE(0x3800, 0x380f) AM_READWRITE(via_0_r, via_0_w) + AM_RANGE(0x3810, 0x381f) AM_READWRITE(via_1_r, via_1_w) + AM_RANGE(0x3820, 0x382f) AM_READWRITE(via_2_r, via_2_w) + AM_RANGE(0x3830, 0x3830) AM_WRITE(AY8910_control_port_0_w) + AM_RANGE(0x3831, 0x3831) AM_WRITE(AY8910_write_port_0_w) + AM_RANGE(0x3840, 0x3840) AM_WRITE(AY8910_control_port_1_w) + AM_RANGE(0x3841, 0x3841) AM_WRITE(AY8910_write_port_1_w) + AM_RANGE(0x3850, 0x3850) AM_READNOP //watchdog_reset_r ? + AM_RANGE(0x8000, 0x9fff) AM_READ(trvquest_question_r) + AM_RANGE(0xa000, 0xa000) AM_WRITE(trvquest_question_w) + AM_RANGE(0xa000, 0xa000) AM_READNOP // bogus read from the game code when reads question roms + AM_RANGE(0xb000, 0xffff) AM_ROM +ADDRESS_MAP_END + +static INPUT_PORTS_START( trvquest ) + PORT_START + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("Reset") + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_IMPULSE(1) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN ) + + PORT_START + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNKNOWN ) + PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON4 ) + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON3 ) + PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON2 ) + PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON1 ) + + PORT_START + PORT_DIPNAME( 0x01, 0x01, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x01, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x02, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x04, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x08, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x10, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x20, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + + PORT_START + PORT_DIPNAME( 0x07, 0x01, DEF_STR( Coinage ) ) + PORT_DIPSETTING( 0x06, DEF_STR( 4C_1C ) ) + PORT_DIPSETTING( 0x05, DEF_STR( 3C_1C ) ) + PORT_DIPSETTING( 0x04, DEF_STR( 2C_1C ) ) + PORT_DIPSETTING( 0x01, DEF_STR( 1C_1C ) ) + PORT_DIPSETTING( 0x02, DEF_STR( 1C_2C ) ) + PORT_DIPSETTING( 0x03, DEF_STR( 1C_3C ) ) +// PORT_DIPSETTING( 0x07, DEF_STR( Free_Play ) ) + PORT_DIPSETTING( 0x00, DEF_STR( Free_Play ) ) + PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x08, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x10, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x20, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) + PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) ) + PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) + PORT_DIPSETTING( 0x00, DEF_STR( On ) ) +INPUT_PORTS_END + +static TIMER_CALLBACK( via_irq_delayed ) +{ + cpunum_set_input_line(0, 0, param); +} + +static void via_irq(int state) +{ + // from gameplan.c + + /* Kaos sits in a tight loop polling the VIA irq flags register, but that register is + cleared by the irq handler. Therefore, I wait a bit before triggering the irq to + leave time for the program to see the flag change. */ + timer_set(ATTOTIME_IN_USEC(50), state, via_irq_delayed); +} + + +static struct via6522_interface via_0_interface = +{ + /*inputs : A/B */ input_port_0_r, input_port_1_r, + /*inputs : CA/B1,CA/B2 */ NULL, NULL, NULL, NULL, + /*outputs: A/B */ NULL, NULL, + /*outputs: CA/B1,CA/B2 */ NULL, NULL, trvquest_coin_w, NULL, + /*irq */ NULL +}; + +static struct via6522_interface via_1_interface = +{ + /*inputs : A/B */ input_port_2_r, input_port_3_r, + /*inputs : CA/B1,CA/B2 */ NULL, NULL, NULL, NULL, + /*outputs: A/B */ NULL, NULL, + /*outputs: CA/B1,CA/B2 */ NULL, NULL, trvquest_misc_w, NULL, + /*irq */ via_irq +}; + +static struct via6522_interface via_2_interface = +{ + /*inputs : A/B */ NULL, trvquest_vblank_r, + /*inputs : CA/B1,CA/B2 */ NULL, NULL, NULL, NULL, + /*outputs: A/B */ trvquest_video_portA_w, trvquest_video_portB_w, + /*outputs: CA/B1,CA/B2 */ NULL, NULL, trvquest_video_CA2_w, NULL, + /*irq */ NULL +}; + +static PALETTE_INIT( trvquest ) +{ + palette_set_color(machine,0,MAKE_RGB(0x00,0x00,0x00)); /* 0 BLACK */ + palette_set_color(machine,1,MAKE_RGB(0xff,0x00,0x00)); /* 1 RED */ + palette_set_color(machine,2,MAKE_RGB(0x00,0xff,0x00)); /* 2 GREEN */ + palette_set_color(machine,3,MAKE_RGB(0xff,0xff,0x00)); /* 3 YELLOW */ + palette_set_color(machine,4,MAKE_RGB(0x00,0x00,0xff)); /* 4 BLUE */ + palette_set_color(machine,5,MAKE_RGB(0xff,0x00,0xff)); /* 5 MAGENTA */ + palette_set_color(machine,6,MAKE_RGB(0x00,0xff,0xff)); /* 6 CYAN */ + palette_set_color(machine,7,MAKE_RGB(0xff,0xff,0xff)); /* 7 WHITE */ +} + +static MACHINE_RESET( trvquest ) +{ + via_config(0, &via_0_interface); + via_config(1, &via_1_interface); + via_config(2, &via_2_interface); + via_reset(); +} + +static INTERRUPT_GEN( trvquest_interrupt ) +{ + via_1_ca1_w(0,1); + via_1_ca1_w(0,0); +} + +static MACHINE_DRIVER_START( trvquest ) + MDRV_CPU_ADD(M6809,6000000) + MDRV_CPU_PROGRAM_MAP(cpu_map,0) + MDRV_CPU_VBLANK_INT(trvquest_interrupt,1) + + MDRV_SCREEN_REFRESH_RATE(60) + MDRV_SCREEN_VBLANK_TIME(DEFAULT_60HZ_VBLANK_DURATION) + + MDRV_NVRAM_HANDLER(generic_1fill) + MDRV_MACHINE_RESET(trvquest) + + /* video hardware */ + MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER) + MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16) + MDRV_SCREEN_SIZE(256, 256) + MDRV_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 0*8, 32*8-1) + + MDRV_PALETTE_LENGTH(8) + + MDRV_PALETTE_INIT(trvquest) + MDRV_VIDEO_START(generic_bitmapped) + MDRV_VIDEO_UPDATE(generic_bitmapped) + + /* sound hardware */ + MDRV_SPEAKER_STANDARD_MONO("mono") + + MDRV_SOUND_ADD(AY8910, 1500000) + MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25) + + MDRV_SOUND_ADD(AY8910, 1500000) + MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25) +MACHINE_DRIVER_END + +ROM_START( trvquest ) + ROM_REGION( 0x10000, REGION_CPU1, 0 ) + ROM_LOAD( "rom3", 0xb000, 0x1000, CRC(2ff7f370) SHA1(66f40426ed02ee44235e17a49d9054ede42b83b9) ) + ROM_LOAD( "rom4", 0xc000, 0x1000, CRC(b1adebcb) SHA1(661cabc92b1defce5c2edb8e873a80d5032084d0) ) + ROM_LOAD( "rom5", 0xd000, 0x1000, CRC(2fc10a15) SHA1(8ecce32a5a167056c8fb48554a8907ae6299921e) ) + ROM_LOAD( "rom6", 0xe000, 0x1000, CRC(fabf4846) SHA1(862cac32de78f2ff4afef398b864d5533d302a4f) ) + ROM_LOAD( "rom7", 0xf000, 0x1000, CRC(a9f56551) SHA1(fb6fc3b17a6e66571a5ba837befbfac1ac26cc39) ) + + ROM_REGION( 0x18000, REGION_USER1, ROMREGION_ERASEFF ) /* Question roms */ + /* 0x00000 - 0x07fff empty */ + ROM_LOAD( "romi", 0x06000, 0x2000, CRC(c8368f69) SHA1(c1dfb701482c5ae922df0a93665a519995a2f4f1) ) + ROM_LOAD( "romh", 0x08000, 0x2000, CRC(f3aa8a08) SHA1(2bf8f878cc1df84806a6fb8e7be2656c422d61b9) ) + ROM_LOAD( "romg", 0x0a000, 0x2000, CRC(f85f8e48) SHA1(38c9142181a8ee5c0bc80cf2a06d4137fcb2a8b9) ) + ROM_LOAD( "romf", 0x0c000, 0x2000, CRC(2bffdcab) SHA1(96bd9aede5a76f9ddcf29e8df2c632075d21b8f6) ) + ROM_LOAD( "rome", 0x0e000, 0x2000, CRC(3ff66402) SHA1(da13fe6b99d7517ad2ecd0e42d0c306d4e49563a) ) + ROM_LOAD( "romd", 0x10000, 0x2000, CRC(4e21653f) SHA1(719a8dda9b81963a6b6d7d3e4966ecde676b9ecf) ) + ROM_LOAD( "romc", 0x12000, 0x2000, CRC(081a5322) SHA1(09e7ea5f1ee1dc35ec00bcea1550c6fe0bbdf60d) ) + ROM_LOAD( "romb", 0x14000, 0x2000, CRC(819ab451) SHA1(78c181eae63d55d1d0643bb7be07ca3cdbe14285) ) + ROM_LOAD( "roma", 0x16000, 0x2000, CRC(b4bcaf33) SHA1(c6b08fb8d55b2834d0c6c5baff9f544c795e4c15) ) +ROM_END + +GAME( 1984, trvquest, 0, trvquest, trvquest, 0, ROT90, "Sunn / Techstar", "Trivia Quest", 0 ) |