#include "emu.h" #include "includes/xyonix.h" PALETTE_INIT( xyonix ) { int i; for (i = 0;i < machine.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 = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2; /* green component */ bit0 = (color_prom[i] >> 5) & 0x01; bit1 = (color_prom[i] >> 6) & 0x01; bit2 = (color_prom[i] >> 7) & 0x01; g = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2; /* blue component */ bit0 = (color_prom[i] >> 3) & 0x01; bit1 = (color_prom[i] >> 4) & 0x01; b = 0x4f * bit0 + 0xa8 * bit1; palette_set_color(machine,i,MAKE_RGB(r,g,b)); } } static TILE_GET_INFO( get_xyonix_tile_info ) { xyonix_state *state = machine.driver_data(); int tileno; int attr = state->m_vidram[tile_index+0x1000+1]; tileno = (state->m_vidram[tile_index+1] << 0) | ((attr & 0x0f) << 8); SET_TILE_INFO(0,tileno,attr >> 4,0); } WRITE8_HANDLER( xyonix_vidram_w ) { xyonix_state *state = space->machine().driver_data(); state->m_vidram[offset] = data; tilemap_mark_tile_dirty(state->m_tilemap,(offset-1)&0x0fff); } VIDEO_START(xyonix) { xyonix_state *state = machine.driver_data(); state->m_tilemap = tilemap_create(machine, get_xyonix_tile_info, tilemap_scan_rows, 4, 8, 80, 32); } SCREEN_UPDATE(xyonix) { xyonix_state *state = screen->machine().driver_data(); tilemap_draw(bitmap, cliprect, state->m_tilemap, 0, 0); return 0; }