// license:BSD-3-Clause // copyright-holders:David Haywood /* video/pass.c - see drivers/pass.c for more info */ #include "emu.h" #include "includes/pass.h" /* background tilemap stuff */ TILE_GET_INFO_MEMBER(pass_state::get_pass_bg_tile_info) { int tileno, fx; tileno = m_bg_videoram[tile_index] & 0x1fff; fx = (m_bg_videoram[tile_index] & 0xc000) >> 14; SET_TILE_INFO_MEMBER(1, tileno, 0, TILE_FLIPYX(fx)); } WRITE16_MEMBER(pass_state::pass_bg_videoram_w) { m_bg_videoram[offset] = data; m_bg_tilemap->mark_tile_dirty(offset); } /* foreground 'sprites' tilemap stuff */ TILE_GET_INFO_MEMBER(pass_state::get_pass_fg_tile_info) { int tileno, flip; tileno = m_fg_videoram[tile_index] & 0x3fff; flip = (m_fg_videoram[tile_index] & 0xc000) >>14; SET_TILE_INFO_MEMBER(0, tileno, 0, TILE_FLIPYX(flip)); } WRITE16_MEMBER(pass_state::pass_fg_videoram_w) { m_fg_videoram[offset] = data; m_fg_tilemap->mark_tile_dirty(offset); } /* video update / start */ void pass_state::video_start() { m_bg_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(pass_state::get_pass_bg_tile_info),this), TILEMAP_SCAN_ROWS, 8, 8, 64, 32); m_fg_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(pass_state::get_pass_fg_tile_info),this), TILEMAP_SCAN_ROWS, 4, 4, 128, 64); m_fg_tilemap->set_transparent_pen(255); } uint32_t pass_state::screen_update_pass(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { m_bg_tilemap->draw(screen, bitmap, cliprect, 0, 0); m_fg_tilemap->draw(screen, bitmap, cliprect, 0, 0); return 0; }