/*************************************************************************** Millipede memory map (preliminary) 0400-040F POKEY 1 0800-080F POKEY 2 1000-13BF SCREEN RAM (8x8 TILES, 32x30 SCREEN) 13C0-13CF SPRITE IMAGE OFFSETS 13D0-13DF SPRITE HORIZONTAL OFFSETS 13E0-13EF SPRITE VERTICAL OFFSETS 13F0-13FF SPRITE COLOR OFFSETS 2000 BIT 1-4 dip switch BIT 5 IS P1 FIRE BIT 6 IS P1 START BIT 7 IS SERVICE 2001 BIT 1-4 dip switch BIT 5 IS P2 FIRE BIT 6 IS P2 START BIT 7,8 (?) 2010 BIT 1 IS P1 RIGHT BIT 2 IS P1 LEFT BIT 3 IS P1 DOWN BIT 4 IS P1 UP BIT 5 IS SLAM, LEFT COIN, AND UTIL COIN BIT 6,7 (?) BIT 8 IS RIGHT COIN 2480-248F COLOR RAM 2600 INTERRUPT ACKNOWLEDGE 2680 CLEAR WATCHDOG 4000-7FFF GAME CODE *************************************************************************/ #include "driver.h" #include "vidhrdw/generic.h" extern int centiped_rand_r(int offset); extern void milliped_vh_screenrefresh(struct osd_bitmap *bitmap); extern void milliped_pokey1_w(int offset,int data); extern void milliped_pokey2_w(int offset,int data); extern int milliped_sh_start(void); extern void milliped_sh_stop(void); extern void milliped_sh_update(void); static struct MemoryReadAddress readmem[] = { { 0x0000, 0x0200, MRA_RAM }, { 0x1000, 0x13ff, MRA_RAM }, { 0x4000, 0x7fff, MRA_ROM }, { 0xf000, 0xffff, MRA_ROM }, /* for the reset / interrupt vectors */ { 0x2000, 0x2000, input_port_0_r }, { 0x2001, 0x2001, input_port_1_r }, { 0x2010, 0x2010, input_port_2_r }, { 0x2011, 0x2011, input_port_3_r }, { 0x0408, 0x0408, input_port_4_r }, { 0x0808, 0x0808, input_port_5_r }, { 0x40a, 0x40a, centiped_rand_r }, { 0x80a, 0x80a, centiped_rand_r }, { -1 } /* end of table */ }; static struct MemoryWriteAddress writemem[] = { { 0x0000, 0x0200, MWA_RAM }, { 0x1000, 0x13ff, videoram_w, &videoram, &videoram_size }, { 0x13c0, 0x13ff, MWA_RAM, &spriteram }, { 0x0400, 0x0408, milliped_pokey1_w }, { 0x0800, 0x0808, milliped_pokey2_w }, { 0x4000, 0x73ff, MWA_ROM }, { -1 } /* end of table */ }; static struct InputPort input_ports[] = { { 0xf8, { 0, 0, 0, 0, OSD_KEY_CONTROL, OSD_KEY_1, 0, 0}, { 0, 0, 0, 0, OSD_JOY_FIRE, 0, 0,0} }, { 0xf0, { 0, 0, 0, 0, OSD_KEY_CONTROL, OSD_KEY_2, 0, 0 }, { 0, 0, 0, 0, OSD_JOY_FIRE, 0, 0, 0} }, { 0xff, { OSD_KEY_RIGHT, OSD_KEY_LEFT, OSD_KEY_DOWN, OSD_KEY_UP, 0, 0, OSD_KEY_3, 0 }, { OSD_JOY_RIGHT, OSD_JOY_LEFT, OSD_JOY_DOWN, OSD_JOY_UP, 0, 0, 0, 0} }, { 0xff, { OSD_KEY_RIGHT, OSD_KEY_LEFT, OSD_KEY_DOWN, OSD_KEY_UP, 0, 0, 0, 0 }, { OSD_JOY_RIGHT, OSD_JOY_LEFT, OSD_JOY_DOWN, OSD_JOY_UP, 0, 0, 0, 0} }, { /* DSW1 */ 0x14, { 0, 0, 0, 0, 0, 0, 0, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0 } }, { /* DSW2 */ 0x02, { 0, 0, 0, 0, 0, 0, 0, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0 } }, { -1 } /* end of table */ }; static struct TrakPort trak_ports[] = { { -1 } }; static struct KEYSet keys[] = { { 2, 3, "PL1 MOVE UP" }, { 2, 1, "PL1 MOVE LEFT" }, { 2, 0, "PL1 MOVE RIGHT" }, { 2, 2, "PL1 MOVE DOWN" }, { 0, 4, "PL1 FIRE" }, { 3, 3, "PL2 MOVE UP" }, { 3, 1, "PL2 MOVE LEFT" }, { 3, 0, "PL2 MOVE RIGHT" }, { 3, 2, "PL2 MOVE DOWN" }, { 1, 4, "PL2 FIRE" }, { -1 } }; static struct DSW dsw[] = { { 4, 0x0c, "LIVES", { "2", "3", "4", "5" } }, { 4, 0x30, "BONUS", { "12000", "15000", "20000", "NONE" } }, { 4, 0x80, "STARTING SCORE SELECT", { "ON", "OFF" }, 1 }, { 0, 0x0c, "", { "0", "0 1XBONUS", "0 1XBONUS 2XBONUS", "0 1XBONUS 2XBONUS 3XBONUS" } }, { 4, 0x01, "MILLIPEDE HEAD", { "EASY", "HARD" } }, { 4, 0x02, "BEETLE", { "EASY", "HARD" } }, { 4, 0x40, "SPIDER", { "EASY", "HARD" } }, { 0, 0x03, "LANGUAGE", { "ENGLISH", "GERMAN", "FRENCH", "SPANISH" } }, { -1 } }; static struct GfxLayout charlayout = { 8,8, /* 8*8 characters */ 256, /* 256 characters */ 2, /* 2 bits per pixel */ { 0, 256*8*8 }, /* the two bitplanes are separated */ { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 }, { 7, 6, 5, 4, 3, 2, 1, 0 }, 8*8 /* every char takes 8 consecutive bytes */ }; static struct GfxLayout spritelayout = { 16,8, /* 16*8 sprites */ 128, /* 64 sprites */ 2, /* 2 bits per pixel */ { 0, 128*16*8 }, /* the two bitplanes are separated */ { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8, 8*8, 9*8, 10*8, 11*8, 12*8, 13*8, 14*8, 15*8 }, { 7, 6, 5, 4, 3, 2, 1, 0 }, 16*8 /* every sprite takes 16 consecutive bytes */ }; static struct GfxDecodeInfo gfxdecodeinfo[] = { { 1, 0x0000, &charlayout, 0, 8 }, { 1, 0x0000, &spritelayout, 0, 8 }, { -1 } /* end of array */ }; static unsigned char palette[] = { 0x00,0x00,0x00, /* black */ 0x94,0x00,0xd8, /* darkpurple */ 0xd8,0x00,0x00, /* darkred */ 0xf8,0x64,0xd8, /* pink */ 0x00,0xd8,0x00, /* darkgreen */ 0x00,0xf8,0xd8, /* darkcyan */ 0xd8,0xd8,0x94, /* darkyellow */ 0xd8,0xf8,0xd8, /* darkwhite */ 0xf8,0x94,0x44, /* orange */ 0x00,0x00,0xd8, /* blue */ 0xf8,0x00,0x00, /* red */ 0xff,0x00,0xff, /* purple */ 0x00,0xf8,0x00, /* green */ 0x00,0xff,0xff, /* cyan */ 0xf8,0xf8,0x00, /* yellow */ 0xff,0xff,0xff /* white */ }; enum { black, darkpurple, darkred, pink, darkgreen, darkcyan, darkyellow, darkwhite, orange, blue, red, purple, green, cyan, yellow, white }; static unsigned char colortable[] = { black, darkred, blue, darkyellow, black, green, darkpurple, orange, black, darkgreen, darkred, yellow, black, darkred, darkgreen, yellow, black, yellow, darkgreen, red, black, green, orange, yellow, black, darkwhite, red, pink, black, darkcyan, red, darkwhite }; static struct MachineDriver machine_driver = { /* basic machine hardware */ { { CPU_M6502, 1000000, /* 1 Mhz ???? */ 0, readmem,writemem,0,0, interrupt,1 } }, 60, 0, /* video hardware */ 32*8, 32*8, { 1*8, 31*8-1, 0*8, 32*8-1 }, gfxdecodeinfo, sizeof(palette)/3,sizeof(colortable), 0, 0, generic_vh_start, generic_vh_stop, milliped_vh_screenrefresh, /* sound hardware */ 0, 0, milliped_sh_start, milliped_sh_stop, milliped_sh_update }; /*************************************************************************** Game driver(s) ***************************************************************************/ ROM_START( milliped_rom ) ROM_REGION(0x10000) /* 64k for code */ ROM_LOAD( "%s.104", 0x4000, 0x1000 ) ROM_LOAD( "%s.103", 0x5000, 0x1000 ) ROM_LOAD( "%s.102", 0x6000, 0x1000 ) ROM_LOAD( "%s.101", 0x7000, 0x1000 ) ROM_LOAD( "%s.101", 0xf000, 0x1000 ) /* for the reset and interrupt vectors */ ROM_REGION(0x1000) /* temporary space for graphics (disposed after conversion) */ ROM_LOAD( "%s.106", 0x0000, 0x0800 ) ROM_LOAD( "%s.107", 0x0800, 0x0800 ) ROM_END static int hiload(const char *name) { /* check if the hi score table has already been initialized */ if (memcmp(&RAM[0x0064],"\x75\x91\x08",3) == 0 && memcmp(&RAM[0x0079],"\x16\x19\x04",3) == 0) { FILE *f; if ((f = fopen(name,"rb")) != 0) { fread(&RAM[0x0064],1,6*8,f); fclose(f); } return 1; } else return 0; /* we can't load the hi scores yet */ } static void hisave(const char *name) { FILE *f; if ((f = fopen(name,"wb")) != 0) { fwrite(&RAM[0x0064],1,6*8,f); fclose(f); } } struct GameDriver milliped_driver = { "Millipede", "milliped", "IVAN MACKINTOSH\nNICOLA SALMORIA", &machine_driver, milliped_rom, 0, 0, 0, input_ports, trak_ports, dsw, keys, 0, palette, colortable, 8*13, 8*16, hiload, hisave };