/******************************************************************************* Counter Steer (c) 1985 Data East Corporation Zero Target (c) 1985 Data East Corporation Gekitsui Oh (c) 1985 Data East Corporation Emulation by Bryan McPhail, mish@tendril.co.uk Improvements by Pierpaolo Prazzoli, David Haywood Various things aren't fully understood, for example the rotating BG layer todo: finish sprite fixes roz fixes colour fixes? input fixes? sound make cntsteer work cleanup split into driver/video add any missing sha info etc. remove unneeded debug code *******************************************************************************/ #include "driver.h" #include "cpu/m6809/m6809.h" #include "sound/ay8910.h" #include "sound/2203intf.h" static tilemap *bg_tilemap, *fg_tilemap; static UINT8 *videoram2; static int flipscreen=0; static int bg_bank = 0; static PALETTE_INIT( zerotrgt ) { int i; for (i = 0;i < machine->drv->total_colors;i++) { int bit0,bit1,bit2,r,g,b; /* red component */ bit0 = (color_prom[i] >> 0) & 0x01; bit1 = (color_prom[i] >> 1) & 0x01; bit2 = (color_prom[i] >> 2) & 0x01; r = /*255 - */(0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2); /* green component */ bit0 = (color_prom[i] >> 4) & 0x01; bit1 = (color_prom[i] >> 5) & 0x01; bit2 = (color_prom[i] >> 6) & 0x01; g =/* 255 - */(0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2); /* blue component */ bit0 = (color_prom[i+256] >> 0) & 0x01; bit1 = (color_prom[i+256] >> 1) & 0x01; bit2 = (color_prom[i+256] >> 2) & 0x01; b = /*255 - */(0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2); palette_set_color(machine,i,MAKE_RGB(r,g,b)); } } static int colo=0; static TILE_GET_INFO( get_bg_tile_info ) { int code = videoram2[tile_index]; SET_TILE_INFO(2, code + bg_bank, 0/*colo*/, 0); } static TILE_GET_INFO( get_fg_tile_info ) { int code = videoram[tile_index]; int attr = videoram[tile_index + 0x400]; SET_TILE_INFO(0, code + ((attr & 0x0f) << 8), ((attr & 0x70) >> 4)+colo, 0); } static VIDEO_START( zerotrgt ) { bg_tilemap = tilemap_create(get_bg_tile_info,tilemap_scan_rows, TILEMAP_TYPE_PEN, 16,16,64,64); fg_tilemap = tilemap_create(get_fg_tile_info,tilemap_scan_rows_flip_x,TILEMAP_TYPE_PEN, 8, 8,32,32); tilemap_set_transparent_pen(fg_tilemap,0); tilemap_set_flip(bg_tilemap, TILEMAP_FLIPX|TILEMAP_FLIPY); } static void draw_sprites(running_machine *machine, mame_bitmap *bitmap, const rectangle *cliprect, int pri) { int offs; /* Sprites */ for (offs = 0;offs < 0x200;offs += 4) { int multi,fx,fy,sx,sy,sy2,code,code2,color; code = spriteram[offs+3] + ( ( spriteram[offs+1] & 0xc0 ) << 2 ); //todo.. code2 = code+1; sx = (241 - spriteram[offs+2]); //if (sx < -7) sx += 256; sy = 241 - spriteram[offs]; color = (spriteram[offs+1] & 0x03) + ((spriteram[offs+1] & 0x08) >> 1); // if (pri==0 && color!=0) continue; // if (pri==1 && color==0) continue; fx = spriteram[offs+1] & 0x04; fy = spriteram[offs+1] & 0x02; //check multi = spriteram[offs+1] & 0x10; if (flipscreen) { sy=240-sy; sx=240-sx; if (fx) fx=0; else fx=1; sy2=sy-16; } else sy2=sy+16; if (fy && multi) { sy2=sy; sy-=16; code++; code2--; } drawgfx(bitmap,machine->gfx[1], code, color, fx,fy, sx,sy, cliprect,TRANSPARENCY_PEN,0); if (multi) drawgfx(bitmap,machine->gfx[1], code2, color, fx,fy, sx,sy2, cliprect,TRANSPARENCY_PEN,0); } } static int scrolly = 0, scrollx = 0, scrolly_hi = 0, rotation_x = 0, rotation_y = 0, rotation_sign = 0; static VIDEO_UPDATE( zerotrgt ) { static int rot2=0,zoom=0; static int scroll=0; if (input_code_pressed_once(KEYCODE_Q)) { colo++; mame_printf_debug("colo = %X\n",colo); tilemap_mark_all_tiles_dirty(bg_tilemap); tilemap_mark_all_tiles_dirty(fg_tilemap); } if (input_code_pressed_once(KEYCODE_W)) { colo--; mame_printf_debug("colo = %X\n",colo); tilemap_mark_all_tiles_dirty(bg_tilemap); tilemap_mark_all_tiles_dirty(fg_tilemap); } if (input_code_pressed_once(KEYCODE_E)) { rot2++; mame_printf_debug("rot2 = %X\n",rot2); } if (input_code_pressed_once(KEYCODE_R)) { rot2--; mame_printf_debug("rot2 = %X\n",rot2); } if (input_code_pressed_once(KEYCODE_T)) { zoom+=0x100; mame_printf_debug("zoom= %X\n",zoom); } if (input_code_pressed_once(KEYCODE_Y)) { zoom-=0x100; mame_printf_debug("zoom= %X\n",zoom); } if (input_code_pressed_once(KEYCODE_A)) { scroll+=0x10; mame_printf_debug("scroll = %d\n",scroll); } if (input_code_pressed_once(KEYCODE_S)) { scroll-=0x10; mame_printf_debug("scroll = %d\n",scroll); } if (input_code_pressed_once(KEYCODE_I)) { scrollx+=0x10; mame_printf_debug("scrollx = %d\n",scrollx); } if (input_code_pressed_once(KEYCODE_O)) { scrollx-=0x10; mame_printf_debug("scrollx = %d\n",scrollx); } // if (input_code_pressed(KEYCODE_A)) cpu_cause_interrupt(0,M6809_INT_IRQ); // spriteram=batwings_ram+0x100; // tilemap_set_scrolly( bg_tilemap, 0, scrolly | scrolly_hi); // tilemap_draw(bitmap,cliprect,bg_tilemap,0,0); scrollx = 256; if(rotation_sign) rotation_x = -rotation_x; tilemap_draw_roz(bitmap, cliprect, bg_tilemap, scrollx << 16, (scrolly | scrolly_hi) << 16, 1<<16, rotation_x << 10, rotation_y << 8, 1<<16, 1, 0, 0); tilemap_draw(bitmap,cliprect,fg_tilemap,0,0); draw_sprites(machine,bitmap,cliprect,0); draw_sprites(machine,bitmap,cliprect,1); #if 0 { int i,j; char buf[60]; struct osd_bitmap *mybitmap = bitmap; UINT8 *RAM = memory_region(REGION_CPU1); buf[0] = 0; for (i = 0;i < 8;i+=2) sprintf(&buf[strlen(buf)],"%04X\n",RAM[0x3000+i+1]+(RAM[0x3000+i]<<8)); ui_draw_text(buf,50,8*6); } #endif return 0; } static WRITE8_HANDLER( cntsteer_foreground_w ) { videoram[offset] = data; tilemap_mark_tile_dirty(fg_tilemap, offset & 0x3ff); } static WRITE8_HANDLER( cntsteer_background_w ) { videoram2[offset] = data; tilemap_mark_tile_dirty(bg_tilemap, offset); } #if 0 static WRITE8_HANDLER( gekitsui_int_w ) { // if (errorlog) fprintf(errorlog,"%04x: CPU 2 causes NMI\n",cpu_get_pc()); cpunum_set_input_line(0, INPUT_LINE_NMI, ASSERT_LINE); } static WRITE8_HANDLER( gekitsui_int2_w ) // not used.. { // if (errorlog) fprintf(errorlog,"%04x: CPU 1 causes IRQ\n",cpu_get_pc()); cpunum_set_input_line(1, M6809_IRQ_LINE, ASSERT_LINE); } #endif static WRITE8_HANDLER( gekitsui_sub_irq_ack ) { cpunum_set_input_line(1, M6809_IRQ_LINE, CLEAR_LINE); } #if 0 static WRITE8_HANDLER( cntsteer_int_w ) { cpunum_set_input_line(0, M6809_IRQ_LINE, ASSERT_LINE); } #endif static WRITE8_HANDLER( cntsteer_sound_w ) { soundlatch_w(0,data); } static WRITE8_HANDLER( zerotrgt_ctrl_w ) { logerror("CTRL: %04x: %04x: %04x\n",activecpu_get_pc(),offset,data); // if (offset==0) cpunum_set_input_line(1, INPUT_LINE_RESET, ASSERT_LINE); // Wrong - bits 0 & 1 used on this if (offset==1) cpunum_set_input_line(1, M6809_IRQ_LINE, ASSERT_LINE); // if (offset==2) cpunum_set_input_line(1, INPUT_LINE_RESET, CLEAR_LINE); } #if 0 static WRITE8_HANDLER( cntsteer_halt_cpu0_w ) { // if (errorlog) fprintf(errorlog,"%04x: CPU halt %02x\n",cpu_get_pc(),data); // cpu_halt(0,0); /* Halt cpu */ } static WRITE8_HANDLER( cntsteer_restart_cpu0_w ) { // if (errorlog) fprintf(errorlog,"%04x: CPU restart %02x\n",cpu_get_pc(),data); //if (data&0x4) cpu_halt(0,1); /* Restart cpu */ } #endif /***************************************************************************/ #if 0 static ADDRESS_MAP_START( cntsteer_cpu1_map, ADDRESS_SPACE_PROGRAM, 8 ) AM_RANGE(0x0000, 0x0fff) AM_RAM AM_SHARE(1) AM_RANGE(0x1000, 0x11ff) AM_RAM AM_BASE(&spriteram) AM_RANGE(0x1200, 0x1fff) AM_RAM AM_RANGE(0x2000, 0x27ff) AM_READWRITE(MRA8_RAM, cntsteer_foreground_w) AM_BASE(&videoram) AM_RANGE(0x2800, 0x2fff) AM_RAM // { 0x1b00, 0x1b00, input_port_0_r }, // { 0x1b01, 0x1b01, input_port_0_r }, // { 0x3000, 0x3003, zerotrgt_ctrl_w }, // { 0x3000, 0x3000, cntsteer_halt_cpu0_w }, // { 0x3001, 0x3001, gekitsui_int2_w }, // AM_RANGE(0x3003, 0x3003) AM_READ(input_port_1_r) AM_RANGE(0x8000, 0xffff) AM_ROM ADDRESS_MAP_END static ADDRESS_MAP_START( cntsteer_cpu2_map, ADDRESS_SPACE_PROGRAM, 8 ) AM_RANGE(0x0000, 0x0fff) AM_RAM AM_SHARE(1) AM_RANGE(0x1000, 0x1fff) AM_READWRITE(MRA8_RAM, cntsteer_background_w) AM_BASE(&videoram2) AM_RANGE(0x3000, 0x3000) AM_READ(input_port_0_r) AM_RANGE(0x3001, 0x3001) AM_READ(input_port_1_r) AM_RANGE(0x3002, 0x3002) AM_READ(input_port_2_r) AM_RANGE(0x3003, 0x3003) AM_READ(input_port_3_r) // { 0x3002, 0x3002, gekitsui_int_w }, // { 0x3000, 0x3003, zerotrgt_ctrl_w }, // wrong 0 1 2 3 are scroll/rotate // { 0x3002, 0x3002, cntsteer_restart_cpu0_w }, // { 0x3000, 0x3003, MWA_NOP }, // 3007 and 3003 have values.. AM_RANGE(0x3007, 0x3007) AM_WRITE(cntsteer_sound_w) // { 0x300a, 0x300a, cntsteer_int_w }, // { 0x3004, 0x3004, cntsteer_int_w }, AM_RANGE(0x4000, 0xffff) AM_ROM ADDRESS_MAP_END #endif static ADDRESS_MAP_START( gekitsui_cpu1_map, ADDRESS_SPACE_PROGRAM, 8 ) AM_RANGE(0x0000, 0x0fff) AM_RAM AM_SHARE(1) AM_RANGE(0x1000, 0x11ff) AM_RAM AM_BASE(&spriteram) AM_RANGE(0x1200, 0x1fff) AM_RAM AM_RANGE(0x2000, 0x27ff) AM_READWRITE(MRA8_RAM, cntsteer_foreground_w) AM_BASE(&videoram) AM_RANGE(0x3000, 0x3003) AM_WRITE(zerotrgt_ctrl_w) AM_RANGE(0x8000, 0xffff) AM_ROM ADDRESS_MAP_END static WRITE8_HANDLER(scrivi) { static int newdata[5] = {-1,-1,-1,-1,-1}; if(offset == 0) { scrolly = data; return; } if(offset == 1) { //rotation related? zoom? // increment or decrement.. incyx? rotation_y = data; } if(offset == 4) { rotation_x = data; if(data != newdata[offset]) {newdata[offset] = data; if(data >0x55) mame_printf_debug("off = %X data = %X\n",offset,data); } return; } if(offset == 2) { bg_bank = (data & 0x30) << 4; // scrollx = data & 0x0f; // mame_printf_debug("scrollx = %d %X\n",scrollx<<8,scrollx); if(data != newdata[offset]) {newdata[offset] = data; if(data & ~0x30) mame_printf_debug("off = %X data = %X\n",offset,data&~0x30); } tilemap_mark_all_tiles_dirty(bg_tilemap); return; } if(offset == 3) { rotation_sign = !(data & 1); flip_screen_set(!(data & 4)); scrolly_hi = (data & 0xf0) << 4; if(data != newdata[offset]) {newdata[offset] = data; if(data & ~0xf5) mame_printf_debug("off = %X data = %X\n",offset,data&~0xf5); } return; } if(data != newdata[offset] && offset !=1) { newdata[offset] = data; mame_printf_debug("off = %X data = %X\n",offset,data); } } static ADDRESS_MAP_START( gekitsui_cpu2_map, ADDRESS_SPACE_PROGRAM, 8 ) AM_RANGE(0x0000, 0x0fff) AM_RAM AM_SHARE(1) AM_RANGE(0x1000, 0x1fff) AM_READWRITE(MRA8_RAM, cntsteer_background_w) AM_BASE(&videoram2) AM_RANGE(0x3000, 0x3000) AM_READ(input_port_0_r) AM_RANGE(0x3001, 0x3001) AM_READ(input_port_1_r) AM_RANGE(0x3002, 0x3002) AM_READ(input_port_2_r) AM_RANGE(0x3003, 0x3003) AM_READ(input_port_3_r) AM_RANGE(0x3000, 0x3004) AM_WRITE(scrivi) /* Scroll, gfx? */ AM_RANGE(0x3005, 0x3005) AM_WRITE(gekitsui_sub_irq_ack) AM_RANGE(0x3007, 0x3007) AM_WRITE(cntsteer_sound_w) AM_RANGE(0x4000, 0xffff) AM_ROM ADDRESS_MAP_END /***************************************************************************/ static int nmimask; static WRITE8_HANDLER( nmimask_w ) { nmimask = data & 0x80; } static INTERRUPT_GEN ( sound_interrupt ) { if (!nmimask) cpunum_set_input_line(2, INPUT_LINE_NMI, PULSE_LINE); } static ADDRESS_MAP_START( sound_map, ADDRESS_SPACE_PROGRAM, 8 ) AM_RANGE(0x0000, 0x01ff) AM_RAM // AM_RANGE(0x1000, 0x1000) AM_WRITE(nmiack_w) AM_RANGE(0x2000, 0x2000) AM_WRITE(AY8910_write_port_0_w) AM_RANGE(0x4000, 0x4000) AM_WRITE(AY8910_control_port_0_w) AM_RANGE(0x6000, 0x6000) AM_WRITE(AY8910_write_port_1_w) AM_RANGE(0x8000, 0x8000) AM_WRITE(AY8910_control_port_1_w) AM_RANGE(0xa000, 0xa000) AM_READ(soundlatch_r) AM_RANGE(0xd000, 0xd000) AM_WRITE(nmimask_w) AM_RANGE(0xe000, 0xffff) AM_ROM ADDRESS_MAP_END /***************************************************************************/ static INPUT_PORTS_START( cntsteer ) PORT_START PORT_DIPNAME( 0x01, 0x01, "0" ) 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( 0x01, 0x01, "1" ) 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_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START1 ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START2 ) PORT_START PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_COCKTAIL PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_COCKTAIL PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_COCKTAIL PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_COCKTAIL PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON5 ) // PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_VBLANK ) // PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON6 ) PORT_DIPNAME( 0x80, 0x80, "vblank" ) PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) INPUT_PORTS_END static INPUT_PORTS_START( zerotrgt ) PORT_START PORT_DIPNAME( 0x01, 0x01, "0" ) 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( 0x01, 0x01, "1" ) 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_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START1 ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START2 ) PORT_START PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_COCKTAIL PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_COCKTAIL PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_COCKTAIL PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_COCKTAIL PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON6 ) INPUT_PORTS_END /***************************************************************************/ /* this layout is bad and reads way beyond the end of the array */ static const gfx_layout cntsteer_charlayout = { 8,8, /* 8*8 characters */ RGN_FRAC(1,2), 2, /* 2 bits per pixel */ { 0, 4 }, /* the two bitplanes for 4 pixels are packed into one byte */ { 0, 1, 2, 3, 0x800*8+0, 0x800*8+1, 0x800*8+2, 0x800*8+3 }, { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 }, 8*8 /* every char takes 8 consecutive bytes */ }; /* this layout is bad and reads way beyond the end of the array */ static const gfx_layout zerotrgt_charlayout = { 8,8, RGN_FRAC(1,2), 2, { 4,0 }, { 0, 1, 2, 3, 1024*8*8+0, 1024*8*8+1, 1024*8*8+2, 1024*8*8+3 }, { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 }, 8*8 /* every tile takes 32 consecutive bytes */ }; static const gfx_layout sprites = { 16,16, RGN_FRAC(1,3), 3, { RGN_FRAC(0,3), RGN_FRAC(1,3), RGN_FRAC(2,3) }, { 16*8, 1+16*8, 2+16*8, 3+16*8, 4+16*8, 5+16*8, 6+16*8, 7+16*8, 0, 1, 2, 3, 4, 5, 6, 7 }, { 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 }, 16*16 }; static const gfx_layout tilelayout = { 16,16, 0x200, 3, /* 3 bits per pixel */ { RGN_FRAC(4,8)+4, 0, 4 }, { 3, 2, 1, 0, 11, 10, 9 , 8, 19, 18, 17,16, 27, 26, 25, 24 }, { RGN_FRAC(0,8)+0*8, RGN_FRAC(1,8)+0*8, RGN_FRAC(2,8)+0*8, RGN_FRAC(3,8)+0*8, RGN_FRAC(0,8)+4*8, RGN_FRAC(1,8)+4*8, RGN_FRAC(2,8)+4*8, RGN_FRAC(3,8)+4*8, RGN_FRAC(0,8)+8*8, RGN_FRAC(1,8)+8*8, RGN_FRAC(2,8)+8*8, RGN_FRAC(3,8)+8*8, RGN_FRAC(0,8)+12*8, RGN_FRAC(1,8)+12*8,RGN_FRAC(2,8)+12*8,RGN_FRAC(3,8)+12*8 }, 8*16 }; static GFXDECODE_START( cntsteer ) GFXDECODE_ENTRY( REGION_GFX1, 0x00000, cntsteer_charlayout, 0, 256 ) /* Only 1 used so far :/ */ GFXDECODE_ENTRY( REGION_GFX2, 0x00000, sprites, 0, 256 ) GFXDECODE_ENTRY( REGION_GFX3, 0x00000, tilelayout, 0, 256 ) GFXDECODE_END static GFXDECODE_START( zerotrgt ) GFXDECODE_ENTRY( REGION_GFX1, 0x00000, zerotrgt_charlayout, 0, 256 ) /* Only 1 used so far :/ */ GFXDECODE_ENTRY( REGION_GFX2, 0x00000, sprites, 0, 256 ) GFXDECODE_ENTRY( REGION_GFX3, 0x00000, tilelayout, 0, 256 ) GFXDECODE_END /***************************************************************************/ static MACHINE_RESET( zerotrgt ) { nmimask = 0; } static MACHINE_DRIVER_START( cntsteer ) MDRV_CPU_ADD(M6809, 2000000) /* ? */ MDRV_CPU_PROGRAM_MAP(gekitsui_cpu1_map,0) MDRV_CPU_VBLANK_INT(nmi_line_pulse,1) /* ? */ MDRV_CPU_ADD(M6809, 2000000) /* ? */ MDRV_CPU_PROGRAM_MAP(gekitsui_cpu2_map,0) // MDRV_CPU_VBLANK_INT(nmi_line_pulse,1) /* ? */ // MDRV_CPU_ADD(M6502, 1500000) /* ? */ // /* audio CPU */ // MDRV_CPU_PROGRAM_MAP(sound_map,0) // MDRV_CPU_VBLANK_INT(nmi_line_pulse,16) /* ? */ // should be interrupt, 16? MDRV_SCREEN_REFRESH_RATE(60) MDRV_SCREEN_VBLANK_TIME(DEFAULT_REAL_60HZ_VBLANK_DURATION) /* 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) // interleave 200? MDRV_GFXDECODE(cntsteer) MDRV_PALETTE_LENGTH(256) // MDRV_PALETTE_INIT(zerotrgt) MDRV_VIDEO_START(zerotrgt) MDRV_VIDEO_UPDATE(zerotrgt) /* sound hardware */ MDRV_SPEAKER_STANDARD_MONO("mono") // MDRV_SOUND_ADD(YM2203, ym2203_interface) MACHINE_DRIVER_END static MACHINE_DRIVER_START( zerotrgt ) MDRV_CPU_ADD(M6809, 2000000) /* ? */ MDRV_CPU_PROGRAM_MAP(gekitsui_cpu1_map,0) MDRV_CPU_VBLANK_INT(nmi_line_pulse,1) /* ? */ MDRV_CPU_ADD(M6809, 2000000) /* ? */ MDRV_CPU_PROGRAM_MAP(gekitsui_cpu2_map,0) // MDRV_CPU_VBLANK_INT(nmi_line_pulse,1) /* ? */ MDRV_CPU_ADD(M6502, 1500000) /* ? */ /* audio CPU */ MDRV_CPU_PROGRAM_MAP(sound_map,0) MDRV_CPU_VBLANK_INT(irq0_line_pulse,16) /* ? */ // should be interrupt, 16? MDRV_CPU_PERIODIC_INT(sound_interrupt, 1000) MDRV_SCREEN_REFRESH_RATE(60) MDRV_SCREEN_VBLANK_TIME(DEFAULT_60HZ_VBLANK_DURATION) /* 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_MACHINE_RESET(zerotrgt) // interleave 200? MDRV_GFXDECODE(zerotrgt) MDRV_PALETTE_LENGTH(256) MDRV_PALETTE_INIT(zerotrgt) MDRV_VIDEO_START(zerotrgt) MDRV_VIDEO_UPDATE(zerotrgt) /* sound hardware */ MDRV_SPEAKER_STANDARD_MONO("mono") MDRV_SOUND_ADD(AY8910, 1500000) MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50) MDRV_SOUND_ADD(AY8910, 1500000) MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50) MACHINE_DRIVER_END /***************************************************************************/ ROM_START( cntsteer ) ROM_REGION( 0x10000, REGION_CPU1, 0 ) ROM_LOAD( "by02", 0x8000, 0x4000, CRC(b6fdd7fd) SHA1(e54cc31628966f747f9ccbf9db1017ed1eee0d5d) ) ROM_LOAD( "by01", 0xc000, 0x4000, CRC(932423a5) SHA1(0d8164359a79ae554328dfb4d729a8d07de7ee75) ) ROM_REGION( 0x10000, REGION_CPU2, 0 ) ROM_LOAD( "by12", 0x4000, 0x4000, CRC(278e7fed) SHA1(5def4c8919a507c64045c57de2da65e1d39e1185) ) ROM_LOAD( "by11", 0x8000, 0x4000, CRC(00624e34) SHA1(27bd472e9f2feef4a2c4753d8b0da26ff30d930d) ) ROM_LOAD( "by10", 0xc000, 0x4000, CRC(9227a9ce) SHA1(8c86f22f90a3a8853562469037ffa06693045f4c) ) ROM_REGION( 0x10000, REGION_CPU3, 0 ) ROM_LOAD( "by00", 0xc000, 0x2000, CRC(740e4896) SHA1(959652515188966e1c2810eabf2f428fe31a31a9) ) ROM_REGION( 0x4000, REGION_GFX1, ROMREGION_DISPOSE ) /* Characters */ ROM_LOAD( "by09", 0x0000, 0x2000, CRC(273eddae) SHA1(4b5450407217d9110acb85e02ea9a6584552362e) ) ROM_REGION( 0x18000, REGION_GFX2, ROMREGION_DISPOSE ) /* Sprites */ ROM_LOAD( "by03", 0x00000, 0x4000, CRC(d9537d33) SHA1(7d2af2eb0386ce695f2d9c7b71a72d2d8ef257e7) ) ROM_LOAD( "by04", 0x04000, 0x4000, CRC(4f4e9d6f) SHA1(b590aeb5efa2afa50ef202191a88bcf6894f4b8e) ) ROM_LOAD( "by05", 0x08000, 0x4000, CRC(592481a7) SHA1(2d412d525b04ed228a345918129b25a13286d957) ) ROM_LOAD( "by06", 0x0c000, 0x4000, CRC(9366e9d5) SHA1(a6a137416eaee3becae657c287fff7d974bcf68f) ) ROM_LOAD( "by07", 0x10000, 0x4000, CRC(8321e332) SHA1(a7aed12cb718526b0a1c5b4ae069c7973600204d) ) ROM_LOAD( "by08", 0x14000, 0x4000, CRC(a24bcfef) SHA1(b4f06dfb85960668ca199cfb1b6c56ccdad9e33d) ) ROM_REGION( 0x80000, REGION_GFX3, ROMREGION_DISPOSE ) /* Tiles */ ROM_LOAD( "by13", 0x00000, 0x4000, CRC(d38e94fd) SHA1(bcf61b2c509f923ef2e52051a1c0e0a63bedf7a3) ) ROM_LOAD( "by15", 0x10000, 0x4000, CRC(b0c9de83) SHA1(b0041273fe968667a09c243d393b2b025c456c99) ) ROM_LOAD( "by17", 0x20000, 0x4000, CRC(8aff285f) SHA1(d40332448e7fb20389ac18661569726f229bd9d6) ) ROM_LOAD( "by19", 0x30000, 0x4000, CRC(7eff6d02) SHA1(967ab34bb969228689541c0a2eabd3e96665676d) ) /* roms from REGION_GFX4 are expanded here */ ROM_REGION( 0x40000, REGION_GFX4, ROMREGION_DISPOSE ) /* Tiles */ ROM_LOAD( "by14", 0x00000, 0x2000, CRC(4db6c146) SHA1(93d157f4c4ffa2d7b4c0b33fedabd6d750245033) ) ROM_LOAD( "by16", 0x10000, 0x2000, CRC(adede1e6) SHA1(87e0323b6d2f2d8a3585cd78c9dc9d384106b005) ) ROM_LOAD( "by18", 0x20000, 0x2000, CRC(1e9ce047) SHA1(7579ba6b401eb1bfc7d2d9311ebab623bd1095a2) ) ROM_LOAD( "by20", 0x30000, 0x2000, CRC(e2198c9e) SHA1(afea262db9154301f4b9e53e1fc91985dd934170) ) ROM_REGION( 0x200, REGION_PROMS, ROMREGION_ERASE00 ) ROM_END ROM_START( zerotrgt ) ROM_REGION( 0x10000, REGION_CPU1, 0 ) ROM_LOAD( "ct01-s.4c", 0x8000, 0x8000, CRC(b35a16cb) SHA1(49581324c3e3d5219f0512d08a40161185368b10) ) ROM_REGION( 0x10000, REGION_CPU2, 0 ) ROM_LOAD( "ct08.16a", 0x4000, 0x4000, CRC(7e8db408) SHA1(2ae407d15645753a2a0d691c9f1cf1eb383d3e8a) ) ROM_LOAD( "cty07.14a", 0x8000, 0x4000, CRC(119b6211) SHA1(2042f06387d34fad6b63bcb8ac6f9b06377f634d) ) ROM_LOAD( "ct06.13a", 0xc000, 0x4000, CRC(bce5adad) SHA1(86c4eef0d68679a24bab6460b49640a498f32ecd) ) ROM_REGION( 0x10000, REGION_CPU3, 0 ) ROM_LOAD( "ct00.1c", 0xe000, 0x2000, CRC(ae091b6c) SHA1(8b3a1c0acbfa56f05bcf65677f85d70c8c9640d6) ) ROM_REGION( 0x04000, REGION_GFX1, ROMREGION_DISPOSE ) /* Characters */ ROM_LOAD( "ct05.16h", 0x00000, 0x4000, CRC(e7a24404) SHA1(a8a33118d4f09b77cfd7e6e9f486b250078b21bc) ) ROM_REGION( 0x18000, REGION_GFX2, ROMREGION_DISPOSE ) /* Sprites */ ROM_LOAD( "ct02.14c", 0x00000, 0x8000, CRC(d2a0bb72) SHA1(ee060f8db0b1fa1ba1034bf94cf44ff6820660bd) ) ROM_LOAD( "ct03.15c", 0x08000, 0x8000, CRC(79f2be20) SHA1(62cf55d9163d522b7cb0e760f0d5662c529a22e9) ) ROM_LOAD( "ct04.17c", 0x10000, 0x8000, CRC(1037cce8) SHA1(11e49e29f9b60fbf36a301a566f233eb6150d519) ) ROM_REGION( 0x80000, REGION_GFX3, ROMREGION_DISPOSE ) /* Tiles */ ROM_LOAD( "ct09.4j", 0x00000, 0x4000, CRC(8c859d41) SHA1(8095e83de81d2c9f270a303322ddf84568e3d37a) ) ROM_LOAD( "ct11.7j", 0x10000, 0x4000, CRC(5da2d9d8) SHA1(d2cfdbf892bce3667545568998aa03bfd03155c5) ) ROM_LOAD( "ct13.10j", 0x20000, 0x4000, CRC(b004cedd) SHA1(2a503ea14c66805b37f25096ecfec19a07cdc387) ) ROM_LOAD( "ct15.13j", 0x30000, 0x4000, CRC(4473fe66) SHA1(0accbcb801f58df410af305a87a960e526f8a25a) ) /* roms from REGION_GFX4 are expanded here */ ROM_REGION( 0x40000, REGION_GFX4, ROMREGION_DISPOSE ) /* Tiles */ ROM_LOAD( "ct10.6j", 0x00000, 0x2000, CRC(16073975) SHA1(124128db649116d675503b03310ebbd919d5a837) ) ROM_LOAD( "ct12.9j", 0x10000, 0x2000, CRC(9776974e) SHA1(7e944379c3ff3211c84bd4b48cebbd52c586ff88) ) ROM_LOAD( "ct14.12j", 0x20000, 0x2000, CRC(5f77e84d) SHA1(ef7a53ad40ef5d3b7ceecb174099b8f2adfda92e) ) ROM_LOAD( "ct16.15j", 0x30000, 0x2000, CRC(ebed04d3) SHA1(df5484ab44ddf91fddbb895606875b6733b03a51) ) ROM_REGION( 0x200, REGION_PROMS, 0 ) ROM_LOAD( "mb7118h.7k", 0x0000, 0x100, CRC(4a7c187a) SHA1(2463ed582b77252a798b946cc831c4edd6e6b31f) ) ROM_LOAD( "mb7052.6k", 0x0100, 0x100, CRC(cc9c7d43) SHA1(707fcc9579bae4233903142efa7dfee7d463ae9a) ) ROM_REGION( 0x0300, REGION_PLDS, ROMREGION_DISPOSE ) ROM_LOAD( "pal10h8.12f", 0x0000, 0x002c, CRC(173f9798) SHA1(8b0b0314d25a70e098df5d93191669738d3e57af) ) ROM_LOAD( "pal10h8.14e", 0x0100, 0x002c, NO_DUMP ) /* PAL is read protected */ ROM_LOAD( "pal12l6.17f", 0x0200, 0x0034, CRC(29b7e869) SHA1(85bdb6872d148c393c4cd98872b4920444394620) ) ROM_END ROM_START( gekitsui ) ROM_REGION( 0x10000, REGION_CPU1, 0 ) ROM_LOAD( "ct01", 0x8000, 0x8000, CRC(d3d82d8d) SHA1(c175c626d4cb89a2d82740c04892092db6faf616) ) ROM_REGION( 0x10000, REGION_CPU2, 0 ) ROM_LOAD( "ct08.16a", 0x4000, 0x4000, CRC(7e8db408) SHA1(2ae407d15645753a2a0d691c9f1cf1eb383d3e8a) ) ROM_LOAD( "cty07.14a", 0x8000, 0x4000, CRC(119b6211) SHA1(2042f06387d34fad6b63bcb8ac6f9b06377f634d) ) ROM_LOAD( "ct06.13a", 0xc000, 0x4000, CRC(bce5adad) SHA1(86c4eef0d68679a24bab6460b49640a498f32ecd) ) ROM_REGION( 0x10000, REGION_CPU3, 0 ) ROM_LOAD( "ct00.1c", 0xe000, 0x2000, CRC(ae091b6c) SHA1(8b3a1c0acbfa56f05bcf65677f85d70c8c9640d6) ) ROM_REGION( 0x04000, REGION_GFX1, ROMREGION_DISPOSE ) ROM_LOAD( "ct05", 0x00000, 0x4000, CRC(b9e997a1) SHA1(5891cb0984bf4a1ccd80ef338c47e3d5705a1331) ) /* Characters */ ROM_REGION( 0x18000, REGION_GFX2, ROMREGION_DISPOSE ) /* Sprites */ ROM_LOAD( "ct02.14c", 0x00000, 0x8000, CRC(d2a0bb72) SHA1(ee060f8db0b1fa1ba1034bf94cf44ff6820660bd) ) ROM_LOAD( "ct03.15c", 0x08000, 0x8000, CRC(79f2be20) SHA1(62cf55d9163d522b7cb0e760f0d5662c529a22e9) ) ROM_LOAD( "ct04.17c", 0x10000, 0x8000, CRC(1037cce8) SHA1(11e49e29f9b60fbf36a301a566f233eb6150d519) ) ROM_REGION( 0x80000, REGION_GFX3, ROMREGION_DISPOSE ) /* Tiles */ ROM_LOAD( "ct09.4j", 0x00000, 0x4000, CRC(8c859d41) SHA1(8095e83de81d2c9f270a303322ddf84568e3d37a) ) ROM_LOAD( "ct11.7j", 0x10000, 0x4000, CRC(5da2d9d8) SHA1(d2cfdbf892bce3667545568998aa03bfd03155c5) ) ROM_LOAD( "ct13.10j", 0x20000, 0x4000, CRC(b004cedd) SHA1(2a503ea14c66805b37f25096ecfec19a07cdc387) ) ROM_LOAD( "ct15.13j", 0x30000, 0x4000, CRC(4473fe66) SHA1(0accbcb801f58df410af305a87a960e526f8a25a) ) /* roms from REGION_GFX4 are expanded here */ ROM_REGION( 0x40000, REGION_GFX4, ROMREGION_DISPOSE ) /* Tiles */ ROM_LOAD( "ct10.6j", 0x00000, 0x2000, CRC(16073975) SHA1(124128db649116d675503b03310ebbd919d5a837) ) ROM_LOAD( "ct12.9j", 0x10000, 0x2000, CRC(9776974e) SHA1(7e944379c3ff3211c84bd4b48cebbd52c586ff88) ) ROM_LOAD( "ct14.12j", 0x20000, 0x2000, CRC(5f77e84d) SHA1(ef7a53ad40ef5d3b7ceecb174099b8f2adfda92e) ) ROM_LOAD( "ct16.15j", 0x30000, 0x2000, CRC(ebed04d3) SHA1(df5484ab44ddf91fddbb895606875b6733b03a51) ) ROM_REGION( 0x200, REGION_PROMS, 0 ) ROM_LOAD( "mb7118h.7k", 0x0000, 0x100, CRC(4a7c187a) SHA1(2463ed582b77252a798b946cc831c4edd6e6b31f) ) ROM_LOAD( "mb7052.6k", 0x0100, 0x100, CRC(cc9c7d43) SHA1(707fcc9579bae4233903142efa7dfee7d463ae9a) ) ROM_REGION( 0x0300, REGION_PLDS, ROMREGION_DISPOSE ) ROM_LOAD( "pal10h8.12f", 0x0000, 0x002c, CRC(173f9798) SHA1(8b0b0314d25a70e098df5d93191669738d3e57af) ) ROM_LOAD( "pal10h8.14e", 0x0100, 0x002c, NO_DUMP ) /* PAL is read protected */ ROM_LOAD( "pal12l6.17f", 0x0200, 0x0034, CRC(29b7e869) SHA1(85bdb6872d148c393c4cd98872b4920444394620) ) ROM_END /***************************************************************************/ static void zerotrgt_rearrange_gfx(int romsize, int romarea) { UINT8 *src = memory_region(REGION_GFX4); UINT8 *dst = memory_region(REGION_GFX3); int rm; int cnt1; dst += romarea * 4; for (rm = 0; rm < 4; rm++) { for (cnt1 = 0; cnt1 < romsize; cnt1++) { dst[rm*romarea+cnt1] = (src[rm*romarea+cnt1] & 0x0f); dst[rm*romarea+cnt1+romsize] = (src[rm*romarea+cnt1] & 0xf0) >> 4; } } } #if 0 static void init_cntsteer(void) { UINT8 *RAM = memory_region(REGION_CPU2); RAM[0xc2cf]=0x43; /* Patch out Cpu 1 ram test - it never ends..?! */ RAM[0xc2d0]=0x43; RAM[0xc2f1]=0x43; RAM[0xc2f2]=0x43; zerotrgt_rearrange_gfx(0x02000, 0x10000); } #endif static DRIVER_INIT( zerotrgt ) { zerotrgt_rearrange_gfx(0x02000, 0x10000); } /***************************************************************************/ GAME( 1985, cntsteer, 0, cntsteer, cntsteer, zerotrgt, ROT270, "Data East Corporation", "Counter Steer", GAME_NO_SOUND|GAME_NOT_WORKING ) GAME( 1985, zerotrgt, 0, zerotrgt, cntsteer, zerotrgt, ROT0, "Data East Corporation", "Zero Target (World)", GAME_NO_SOUND|GAME_NOT_WORKING ) GAME( 1985, gekitsui, zerotrgt, zerotrgt, cntsteer, zerotrgt, ROT0, "Data East Corporation", "Gekitsui Oh (Japan)", GAME_NO_SOUND|GAME_NOT_WORKING )