#include "emu.h" #include "includes/bogeyman.h" PALETTE_INIT( bogeyman ) { int i; /* first 16 colors are RAM */ for (i = 0; i < 256; i++) { int bit0, bit1, bit2, r, g, b; /* red component */ bit0 = (color_prom[0] >> 0) & 0x01; bit1 = (color_prom[0] >> 1) & 0x01; bit2 = (color_prom[0] >> 2) & 0x01; r = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2; /* green component */ bit0 = (color_prom[0] >> 3) & 0x01; bit1 = (color_prom[256] >> 0) & 0x01; bit2 = (color_prom[256] >> 1) & 0x01; g = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2; /* blue component */ bit0 = 0; bit1 = (color_prom[256] >> 2) & 0x01; bit2 = (color_prom[256] >> 3) & 0x01; b = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2; palette_set_color(machine, i + 16, MAKE_RGB(r,g,b)); color_prom++; } } WRITE8_HANDLER( bogeyman_videoram_w ) { bogeyman_state *state = space->machine().driver_data(); state->m_videoram[offset] = data; tilemap_mark_tile_dirty(state->m_bg_tilemap, offset); } WRITE8_HANDLER( bogeyman_colorram_w ) { bogeyman_state *state = space->machine().driver_data(); state->m_colorram[offset] = data; tilemap_mark_tile_dirty(state->m_bg_tilemap, offset); } WRITE8_HANDLER( bogeyman_videoram2_w ) { bogeyman_state *state = space->machine().driver_data(); state->m_videoram2[offset] = data; tilemap_mark_tile_dirty(state->m_fg_tilemap, offset); } WRITE8_HANDLER( bogeyman_colorram2_w ) { bogeyman_state *state = space->machine().driver_data(); state->m_colorram2[offset] = data; tilemap_mark_tile_dirty(state->m_fg_tilemap, offset); } WRITE8_HANDLER( bogeyman_paletteram_w ) { /* RGB output is inverted */ paletteram_BBGGGRRR_w(space, offset, ~data); } static TILE_GET_INFO( get_bg_tile_info ) { bogeyman_state *state = machine.driver_data(); int attr = state->m_colorram[tile_index]; int gfxbank = ((((attr & 0x01) << 8) + state->m_videoram[tile_index]) / 0x80) + 3; int code = state->m_videoram[tile_index] & 0x7f; int color = (attr >> 1) & 0x07; SET_TILE_INFO(gfxbank, code, color, 0); } static TILE_GET_INFO( get_fg_tile_info ) { bogeyman_state *state = machine.driver_data(); int attr = state->m_colorram2[tile_index]; int tile = state->m_videoram2[tile_index] | ((attr & 0x03) << 8); int gfxbank = tile / 0x200; int code = tile & 0x1ff; SET_TILE_INFO(gfxbank, code, state->m_colbank, 0); } VIDEO_START( bogeyman ) { bogeyman_state *state = machine.driver_data(); state->m_bg_tilemap = tilemap_create(machine, get_bg_tile_info, tilemap_scan_rows, 16, 16, 16, 16); state->m_fg_tilemap = tilemap_create(machine, get_fg_tile_info, tilemap_scan_rows, 8, 8, 32, 32); tilemap_set_transparent_pen(state->m_fg_tilemap, 0); } static void draw_sprites( running_machine &machine, bitmap_t *bitmap, const rectangle *cliprect ) { bogeyman_state *state = machine.driver_data(); int offs; for (offs = 0; offs < state->m_spriteram_size; offs += 4) { int attr = state->m_spriteram[offs]; if (attr & 0x01) { int code = state->m_spriteram[offs + 1] + ((attr & 0x40) << 2); int color = (attr & 0x08) >> 3; int flipx = !(attr & 0x04); int flipy = attr & 0x02; int sx = state->m_spriteram[offs + 3]; int sy = (240 - state->m_spriteram[offs + 2]) & 0xff; int multi = attr & 0x10; if (multi) sy -= 16; if (flip_screen_get(machine)) { sx = 240 - sx; sy = 240 - sy; flipx = !flipx; flipy = !flipy; } drawgfx_transpen(bitmap, cliprect, machine.gfx[2], code, color, flipx, flipy, sx, sy, 0); if (multi) { drawgfx_transpen(bitmap,cliprect, machine.gfx[2], code + 1, color, flipx, flipy, sx, sy + (flip_screen_get(machine) ? -16 : 16), 0); } } } } SCREEN_UPDATE( bogeyman ) { bogeyman_state *state = screen->machine().driver_data(); tilemap_draw(bitmap, cliprect, state->m_bg_tilemap, 0, 0); draw_sprites(screen->machine(), bitmap, cliprect); tilemap_draw(bitmap, cliprect, state->m_fg_tilemap, 0, 0); return 0; }