// license:BSD-3-Clause // copyright-holders:Nicola Salmoria /*************************************************************************** video.c Functions to emulate the video hardware of the machine. ***************************************************************************/ #include "emu.h" #include "includes/flstory.h" TILE_GET_INFO_MEMBER(flstory_state::get_tile_info) { int code = m_videoram[tile_index * 2]; int attr = m_videoram[tile_index * 2 + 1]; int tile_number = code + ((attr & 0xc0) << 2) + 0x400 + 0x800 * m_char_bank; int flags = TILE_FLIPYX((attr & 0x18) >> 3); tileinfo.category = (attr & 0x20) >> 5; tileinfo.group = (attr & 0x20) >> 5; SET_TILE_INFO_MEMBER(0, tile_number, attr & 0x0f, flags); } TILE_GET_INFO_MEMBER(flstory_state::victnine_get_tile_info) { int code = m_videoram[tile_index * 2]; int attr = m_videoram[tile_index * 2 + 1]; int tile_number = ((attr & 0x38) << 5) + code; int flags = ((attr & 0x40) ? TILE_FLIPX : 0) | ((attr & 0x80) ? TILE_FLIPY : 0); SET_TILE_INFO_MEMBER(0, tile_number, attr & 0x07, flags); } TILE_GET_INFO_MEMBER(flstory_state::get_rumba_tile_info) { int code = m_videoram[tile_index * 2]; int attr = m_videoram[tile_index * 2 + 1]; int tile_number = code + ((attr & 0xc0) << 2) + 0x400 + 0x800 * m_char_bank; int col = (attr & 0x0f); tileinfo.category = (attr & 0x20) >> 5; tileinfo.group = (attr & 0x20) >> 5; SET_TILE_INFO_MEMBER(0, tile_number, col, 0); } VIDEO_START_MEMBER(flstory_state,flstory) { m_bg_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(flstory_state::get_tile_info),this), TILEMAP_SCAN_ROWS, 8, 8, 32, 32); // m_bg_tilemap->set_transparent_pen(15); m_bg_tilemap->set_transmask(0, 0x3fff, 0xc000); /* split type 0 has pens 0-13 transparent in front half */ m_bg_tilemap->set_transmask(1, 0x8000, 0x7fff); /* split type 1 has pen 15 transparent in front half */ m_bg_tilemap->set_scroll_cols(32); m_paletteram.resize(m_palette->entries()); m_paletteram_ext.resize(m_palette->entries()); m_palette->basemem().set(m_paletteram, ENDIANNESS_LITTLE, 1); m_palette->extmem().set(m_paletteram_ext, ENDIANNESS_LITTLE, 1); save_item(NAME(m_paletteram)); save_item(NAME(m_paletteram_ext)); } VIDEO_START_MEMBER(flstory_state,rumba) { m_bg_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(flstory_state::get_rumba_tile_info),this), TILEMAP_SCAN_ROWS, 8, 8, 32, 32); // m_bg_tilemap->set_transparent_pen(15); m_bg_tilemap->set_transmask(0, 0x3fff, 0xc000); /* split type 0 has pens 0-13 transparent in front half */ m_bg_tilemap->set_transmask(1, 0x8000, 0x7fff); /* split type 1 has pen 15 transparent in front half */ m_bg_tilemap->set_scroll_cols(32); m_paletteram.resize(m_palette->entries()); m_paletteram_ext.resize(m_palette->entries()); m_palette->basemem().set(m_paletteram, ENDIANNESS_LITTLE, 1); m_palette->extmem().set(m_paletteram_ext, ENDIANNESS_LITTLE, 1); save_item(NAME(m_paletteram)); save_item(NAME(m_paletteram_ext)); } VIDEO_START_MEMBER(flstory_state,victnine) { m_bg_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(flstory_state::victnine_get_tile_info),this), TILEMAP_SCAN_ROWS, 8, 8, 32, 32); m_bg_tilemap->set_scroll_cols(32); m_paletteram.resize(m_palette->entries()); m_paletteram_ext.resize(m_palette->entries()); m_palette->basemem().set(m_paletteram, ENDIANNESS_LITTLE, 1); m_palette->extmem().set(m_paletteram_ext, ENDIANNESS_LITTLE, 1); save_item(NAME(m_paletteram)); save_item(NAME(m_paletteram_ext)); } WRITE8_MEMBER(flstory_state::flstory_videoram_w) { m_videoram[offset] = data; m_bg_tilemap->mark_tile_dirty(offset / 2); } WRITE8_MEMBER(flstory_state::flstory_palette_w) { if (offset & 0x100) m_palette->write8_ext(space, (offset & 0xff) + (m_palette_bank << 8), data); else m_palette->write8(space, (offset & 0xff) + (m_palette_bank << 8), data); } READ8_MEMBER(flstory_state::flstory_palette_r) { if (offset & 0x100) return m_paletteram_ext[(offset & 0xff) + (m_palette_bank << 8)]; else return m_paletteram[(offset & 0xff) + (m_palette_bank << 8)]; } WRITE8_MEMBER(flstory_state::flstory_gfxctrl_w) { m_gfxctrl = data; flip_screen_set(~data & 0x01); if (m_char_bank != ((data & 0x10) >> 4)) { m_char_bank = (data & 0x10) >> 4; m_bg_tilemap->mark_all_dirty(); } m_palette_bank = (data & 0x20) >> 5; } READ8_MEMBER(flstory_state::victnine_gfxctrl_r) { return m_gfxctrl; } WRITE8_MEMBER(flstory_state::victnine_gfxctrl_w) { m_gfxctrl = data; m_palette_bank = (data & 0x20) >> 5; if (data & 0x04) flip_screen_set(data & 0x01); } WRITE8_MEMBER(flstory_state::flstory_scrlram_w) { m_scrlram[offset] = data; m_bg_tilemap->set_scrolly(offset, data); } void flstory_state::flstory_draw_sprites( bitmap_ind16 &bitmap, const rectangle &cliprect, int pri ) { int flip = flip_screen(); for (int i = 0; i < 0x20; i++) { int pr = m_spriteram[m_spriteram.bytes() - 1 - i]; int offs = (pr & 0x1f) * 4; if ((pr & 0x80) == pri) { int code, sx, sy, flipx, flipy; code = m_spriteram[offs + 2] + ((m_spriteram[offs + 1] & 0x30) << 4); sx = m_spriteram[offs + 3]; sy = m_spriteram[offs + 0]; flipx = ((m_spriteram[offs + 1] & 0x40) >> 6); flipy = ((m_spriteram[offs + 1] & 0x80) >> 7); if (flip) { sx = (240 - sx) & 0xff ; sy = sy - 1 ; flipx = !flipx; flipy = !flipy; } else sy = 240 - sy - 1 ; m_gfxdecode->gfx(1)->transpen(bitmap,cliprect, code, m_spriteram[offs + 1] & 0x0f, flipx,flipy, sx,sy,15); /* wrap around */ if (sx > 240) m_gfxdecode->gfx(1)->transpen(bitmap,cliprect, code, m_spriteram[offs + 1] & 0x0f, flipx,flipy, sx-256,sy,15); } } } uint32_t flstory_state::screen_update_flstory(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { m_bg_tilemap->draw(screen, bitmap, cliprect, 0 | TILEMAP_DRAW_LAYER1, 0); m_bg_tilemap->draw(screen, bitmap, cliprect, 1 | TILEMAP_DRAW_LAYER1, 0); flstory_draw_sprites(bitmap, cliprect, 0x00); m_bg_tilemap->draw(screen, bitmap, cliprect, 0 | TILEMAP_DRAW_LAYER0, 0); flstory_draw_sprites(bitmap, cliprect, 0x80); m_bg_tilemap->draw(screen, bitmap, cliprect, 1 | TILEMAP_DRAW_LAYER0, 0); return 0; } void flstory_state::victnine_draw_sprites( bitmap_ind16 &bitmap, const rectangle &cliprect ) { int flip = flip_screen(); for (int i = 0; i < 0x20; i++) { int pr = m_spriteram[m_spriteram.bytes() - 1 - i]; int offs = (pr & 0x1f) * 4; //if ((pr & 0x80) == pri) { int code, sx, sy, flipx, flipy; code = m_spriteram[offs + 2] + ((m_spriteram[offs + 1] & 0x20) << 3); sx = m_spriteram[offs + 3]; sy = m_spriteram[offs + 0]; flipx = ((m_spriteram[offs + 1] & 0x40) >> 6); flipy = ((m_spriteram[offs + 1] & 0x80) >> 7); if (flip) { sx = (240 - sx + 1) & 0xff ; sy = sy + 1 ; flipx = !flipx; flipy = !flipy; } else sy = 240 - sy + 1 ; m_gfxdecode->gfx(1)->transpen(bitmap,cliprect, code, m_spriteram[offs + 1] & 0x0f, flipx,flipy, sx,sy,15); /* wrap around */ if (sx > 240) m_gfxdecode->gfx(1)->transpen(bitmap,cliprect, code, m_spriteram[offs + 1] & 0x0f, flipx,flipy, sx-256,sy,15); } } } uint32_t flstory_state::screen_update_victnine(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { m_bg_tilemap->draw(screen, bitmap, cliprect, 0, 0); victnine_draw_sprites(bitmap, cliprect); return 0; } uint32_t flstory_state::screen_update_rumba(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { m_bg_tilemap->draw(screen, bitmap, cliprect, 0 | TILEMAP_DRAW_LAYER1, 0); m_bg_tilemap->draw(screen, bitmap, cliprect, 1 | TILEMAP_DRAW_LAYER1, 0); victnine_draw_sprites(bitmap, cliprect); m_bg_tilemap->draw(screen, bitmap, cliprect, 0 | TILEMAP_DRAW_LAYER0, 0); victnine_draw_sprites(bitmap, cliprect); m_bg_tilemap->draw(screen, bitmap, cliprect, 1 | TILEMAP_DRAW_LAYER0, 0); return 0; }