/*************************************************************************** Vanguard memory map (preliminary) Note that this memory map is very similar to Nibbler 0000-03ff RAM 0400-07ff Video RAM 1 0800-0bff Video RAM 2 0c00-0fff Color RAM 1000-1fff Character mapped RAM 4000-bfff ROM read: 3104 IN0 3105 IN1 3106 DSW ?? 3107 IN2 write 3200 y scroll register 3300 x scroll register ***************************************************************************/ #include "driver.h" #include "vidhrdw/generic.h" extern unsigned char *vanguard_videoram2; extern unsigned char *vanguard_characterram; void vanguard_vh_videoram2_w(int offset,int data); extern int vanguard_interrupt(void); void vanguard_scrollx_w (int offset,int data); void vanguard_scrolly_w (int offset,int data); int vanguard_vh_start(void); void vanguard_vh_stop(void); extern void vanguard_vh_convert_color_prom(unsigned char *palette, unsigned char *colortable,const unsigned char *color_prom); extern void vanguard_vh_screenrefresh(struct osd_bitmap *bitmap); extern void vanguard_characterram_w(int offset,int data); static struct MemoryReadAddress readmem[] = { { 0x0000, 0x1fff, MRA_RAM }, { 0x4000, 0xbfff, MRA_ROM }, { 0xf000, 0xffff, MRA_ROM }, /* for the reset / interrupt vectors */ { 0x3104, 0x3104, input_port_0_r }, /* IN0 */ { 0x3105, 0x3105, input_port_1_r }, /* IN1 */ { 0x3106, 0x3106, input_port_2_r }, /* DSW ?? */ { 0x3107, 0x3107, input_port_3_r }, /* IN2 */ { -1 } /* end of table */ }; static struct MemoryWriteAddress writemem[] = { { 0x0000, 0x03ff, MWA_RAM }, { 0x0400, 0x07ff, videoram_w, &videoram, &videoram_size }, { 0x0800, 0x0bff, vanguard_vh_videoram2_w, &vanguard_videoram2 }, { 0x0c00, 0x0fff, colorram_w, &colorram }, { 0x1000, 0x1fff, vanguard_characterram_w, &vanguard_characterram }, { 0x3300, 0x3300, vanguard_scrollx_w }, { 0x3200, 0x3200, vanguard_scrolly_w }, { 0x4000, 0xbfff, MWA_ROM }, { -1 } /* end of table */ }; static struct InputPort input_ports[] = { { /* IN0 */ 0x00, { OSD_KEY_D, OSD_KEY_E, OSD_KEY_F, OSD_KEY_S, OSD_KEY_DOWN, OSD_KEY_UP, OSD_KEY_RIGHT, OSD_KEY_LEFT }, { OSD_JOY_FIRE3, OSD_JOY_FIRE2, OSD_JOY_FIRE4, OSD_JOY_FIRE1, OSD_JOY_DOWN, OSD_JOY_UP, OSD_JOY_RIGHT, OSD_JOY_LEFT } }, { /* IN1 */ 0x00, { OSD_KEY_D, OSD_KEY_E, OSD_KEY_F, OSD_KEY_S, OSD_KEY_DOWN, OSD_KEY_UP, OSD_KEY_RIGHT, OSD_KEY_LEFT }, { OSD_JOY_FIRE3, OSD_JOY_FIRE2, OSD_JOY_FIRE4, OSD_JOY_FIRE1, OSD_JOY_DOWN, OSD_JOY_UP, OSD_JOY_RIGHT, OSD_JOY_LEFT } }, { /* DSW ?? */ 0x00, { 0, 0, 0, 0, OSD_KEY_F1, 0, 0, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0 } }, { /* IN2 */ 0x00, { 0, 0, 0, 0, 0, 0, OSD_KEY_2, OSD_KEY_1 }, { 0, 0, 0, 0, 0, 0, 0, 0 } }, { -1 } /* end of table */ }; static struct TrakPort trak_ports[] = { { -1 } }; static struct KEYSet keys[] = { { 0, 5, "MOVE UP" }, { 0, 7, "MOVE LEFT" }, { 0, 6, "MOVE RIGHT" }, { 0, 4, "MOVE DOWN" }, { 0, 1, "FIRE UP" }, { 0, 3, "FIRE LEFT" }, { 0, 2, "FIRE RIGHT" }, { 0, 0, "FIRE DOWN" }, { -1 } }; static struct DSW dsw[] = { { 2, 0x03, "LIVES", { "3", "4", "5", "6" } }, { 2, 0x04, "DIFFICULTY", { "EASY", "HARD" } }, { -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 */ { 7*8, 6*8, 5*8, 4*8, 3*8, 2*8, 1*8, 0*8 }, { 0, 1, 2, 3, 4, 5, 6, 7 }, 8*8 /* every char takes 8 consecutive bytes */ }; static struct GfxLayout charlayout2 = { 8,8, /* 8*8 characters */ 256, /* 256 characters */ 2, /* 2 bits per pixel */ { 0, 256*8*8 }, /* the two bitplanes are separated */ { 7*8, 6*8, 5*8, 4*8, 3*8, 2*8, 1*8, 0*8 }, { 0, 1, 2, 3, 4, 5, 6, 7 }, 8*8 /* every char takes 8 consecutive bytes */ }; static struct GfxDecodeInfo gfxdecodeinfo[] = { { 0, 0xf000, &charlayout, 0, 8 }, /* the game dynamically modifies this */ { 1, 0x0000, &charlayout2, 8*4, 8 }, { -1 } /* end of array */ }; static unsigned char color_prom[] = { /* foreground colors */ 0x00, 0x2F, 0xF4, 0xFF, 0xEF, 0xF8, 0xFF, 0x07, 0xFE, 0xC0, 0x07, 0x3F, 0xFF, 0x3F, 0xC6, 0xC0, 0x00, 0x38, 0xE7, 0x07, 0xEF, 0xC0, 0xF4, 0xFF, 0xFE, 0xFF, 0xF8, 0xC0, 0xFF, 0xC6, 0xE7, 0xC0, /* background colors */ 0x00, 0x80, 0x3F, 0xC6, 0xEF, 0xC6, 0x2F, 0xF8, 0xFE, 0xC6, 0xE7, 0xC0, 0xFF, 0x2F, 0x38, 0xC6, 0x00, 0x07, 0x80, 0x2F, 0xEF, 0x07, 0xF8, 0xFF, 0xFE, 0xFF, 0xF8, 0xC0, 0xFF, 0xE7, 0xC6, 0xF4 }; static struct MachineDriver machine_driver = { /* basic machine hardware */ { { CPU_M6502, 2000000, /* 1 Mhz ???? */ 0, readmem,writemem,0,0, vanguard_interrupt,2 } }, 60, 0, /* video hardware */ 32*8, 32*8, { 2*8, 30*8-1, 0*8, 32*8-1 }, gfxdecodeinfo, 256,16*4, vanguard_vh_convert_color_prom, 0, generic_vh_start, generic_vh_stop, vanguard_vh_screenrefresh, /* sound hardware */ 0, 0, 0, 0, 0 }; /*************************************************************************** Game driver(s) ***************************************************************************/ ROM_START( vanguard_rom ) ROM_REGION(0x10000) /* 64k for code */ ROM_LOAD( "sk4_ic07.bin", 0x4000, 0x1000 ) ROM_LOAD( "sk4_ic08.bin", 0x5000, 0x1000 ) ROM_LOAD( "sk4_ic09.bin", 0x6000, 0x1000 ) ROM_LOAD( "sk4_ic10.bin", 0x7000, 0x1000 ) ROM_LOAD( "sk4_ic13.bin", 0x8000, 0x1000 ) ROM_LOAD( "sk4_ic14.bin", 0x9000, 0x1000 ) ROM_LOAD( "sk4_ic15.bin", 0xa000, 0x1000 ) ROM_LOAD( "sk4_ic16.bin", 0xb000, 0x1000 ) ROM_LOAD( "sk4_ic13.bin", 0xf000, 0x1000 ) /* for the reset and interrupt vectors */ ROM_REGION(0x1000) /* temporary space for graphics (disposed after conversion) */ ROM_LOAD( "sk5_ic50.bin", 0x0000, 0x0800 ) ROM_LOAD( "sk5_ic51.bin", 0x0800, 0x0800 ) ROM_END struct GameDriver vanguard_driver = { "Vanguard", "vanguard", "BRIAN LEVINE\nBRAD OLIVER\nMIRKO BUFFONI", &machine_driver, vanguard_rom, 0, 0, 0, input_ports, trak_ports, dsw, keys, color_prom, 0, 0, 8*13, 8*16, 0, 0 };