/* Space Bugger - Video Hardware */ #include "emu.h" #include "includes/sbugger.h" static TILE_GET_INFO( get_sbugger_tile_info ) { sbugger_state *state = machine.driver_data(); int tileno, color; tileno = state->m_videoram[tile_index]; color = state->m_videoram_attr[tile_index]; SET_TILE_INFO(0,tileno,color,0); } WRITE8_HANDLER( sbugger_videoram_w ) { sbugger_state *state = space->machine().driver_data(); state->m_videoram[offset] = data; tilemap_mark_tile_dirty(state->m_tilemap,offset); } WRITE8_HANDLER( sbugger_videoram_attr_w ) { sbugger_state *state = space->machine().driver_data(); state->m_videoram_attr[offset] = data; tilemap_mark_tile_dirty(state->m_tilemap,offset); } VIDEO_START(sbugger) { sbugger_state *state = machine.driver_data(); state->m_tilemap = tilemap_create(machine, get_sbugger_tile_info, tilemap_scan_rows, 8, 16, 64, 16); } SCREEN_UPDATE(sbugger) { sbugger_state *state = screen->machine().driver_data(); tilemap_draw(bitmap,cliprect,state->m_tilemap,0,0); return 0; } /* not right but so we can see things ok */ PALETTE_INIT(sbugger) { /* just some random colours for now */ int i; for (i = 0;i < 256;i++) { int r = machine.rand()|0x80; int g = machine.rand()|0x80; int b = machine.rand()|0x80; if (i == 0) r = g = b = 0; palette_set_color(machine,i*2+1,MAKE_RGB(r,g,b)); palette_set_color(machine,i*2,MAKE_RGB(0,0,0)); } }