diff options
Diffstat (limited to 'src/mame/video/sderby.cpp')
-rw-r--r-- | src/mame/video/sderby.cpp | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/src/mame/video/sderby.cpp b/src/mame/video/sderby.cpp deleted file mode 100644 index 150cea7a7cf..00000000000 --- a/src/mame/video/sderby.cpp +++ /dev/null @@ -1,133 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:David Haywood, Roberto Fresca -#include "emu.h" -#include "includes/sderby.h" - -/* BG Layer */ - -TILE_GET_INFO_MEMBER(sderby_state::get_sderby_tile_info) -{ - int tileno,colour; - - tileno = m_videoram[tile_index*2]; - colour = m_videoram[tile_index*2+1] & 0x0f; - - tileinfo.set(1,tileno,colour,0); -} - -void sderby_state::sderby_videoram_w(offs_t offset, uint16_t data, uint16_t mem_mask) -{ - COMBINE_DATA(&m_videoram[offset]); - m_tilemap->mark_tile_dirty(offset/2); -} - -/* MD Layer */ - -TILE_GET_INFO_MEMBER(sderby_state::get_sderby_md_tile_info) -{ - int tileno,colour; - - tileno = m_md_videoram[tile_index*2]; - colour = m_md_videoram[tile_index*2+1] & 0x0f; - - tileinfo.set(1,tileno,colour+16,0); -} - -void sderby_state::sderby_md_videoram_w(offs_t offset, uint16_t data, uint16_t mem_mask) -{ - COMBINE_DATA(&m_md_videoram[offset]); - m_md_tilemap->mark_tile_dirty(offset/2); -} - -/* FG Layer */ - -TILE_GET_INFO_MEMBER(sderby_state::get_sderby_fg_tile_info) -{ - int tileno,colour; - - tileno = m_fg_videoram[tile_index*2]; - colour = m_fg_videoram[tile_index*2+1] & 0x0f; - - tileinfo.set(0,tileno,colour+32,0); -} - -void sderby_state::sderby_fg_videoram_w(offs_t offset, uint16_t data, uint16_t mem_mask) -{ - COMBINE_DATA(&m_fg_videoram[offset]); - m_fg_tilemap->mark_tile_dirty(offset/2); -} - - -void sderby_state::draw_sprites(bitmap_ind16 &bitmap,const rectangle &cliprect,int codeshift) -{ - uint16_t *spriteram16 = m_spriteram; - int offs; - int height = m_gfxdecode->gfx(0)->height(); - int colordiv = m_gfxdecode->gfx(0)->granularity() / 16; - - for (offs = 4;offs < m_spriteram.bytes()/2;offs += 4) - { - int sx,sy,code,color,flipx; - - sy = spriteram16[offs+3-4]; /* -4? what the... ??? */ - if (sy == 0x2000) return; /* end of list marker */ - - flipx = sy & 0x4000; - sx = (spriteram16[offs+1] & 0x01ff) - 16-7; - sy = (256-8-height - sy) & 0xff; - code = spriteram16[offs+2] >> codeshift; - color = (spriteram16[offs+1] & 0x3e00) >> 9; - - m_gfxdecode->gfx(1)->transpen(bitmap,cliprect, - code, - color/colordiv+48, - flipx,0, - sx,sy,0); - } -} - - -void sderby_state::video_start() -{ - m_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(*this, FUNC(sderby_state::get_sderby_tile_info)), TILEMAP_SCAN_ROWS, 16, 16, 32, 32); - m_md_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(*this, FUNC(sderby_state::get_sderby_md_tile_info)), TILEMAP_SCAN_ROWS, 16, 16, 32, 32); - - m_md_tilemap->set_transparent_pen(0); - - m_fg_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(*this, FUNC(sderby_state::get_sderby_fg_tile_info)), TILEMAP_SCAN_ROWS, 8, 8, 64, 32); - m_fg_tilemap->set_transparent_pen(0); -} - -uint32_t sderby_state::screen_update_sderby(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) -{ - m_tilemap->draw(screen, bitmap, cliprect, 0,0); - draw_sprites(bitmap,cliprect,0); - m_md_tilemap->draw(screen, bitmap, cliprect, 0,0); - m_fg_tilemap->draw(screen, bitmap, cliprect, 0,0); - return 0; -} - -uint32_t sderby_state::screen_update_pmroulet(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) -{ - m_tilemap->draw(screen, bitmap, cliprect, 0,0); - m_md_tilemap->draw(screen, bitmap, cliprect, 0,0); - draw_sprites(bitmap,cliprect,0); - m_fg_tilemap->draw(screen, bitmap, cliprect, 0,0); - return 0; -} - - -void sderby_state::sderby_scroll_w(offs_t offset, uint16_t data, uint16_t mem_mask) -{ - data = COMBINE_DATA(&m_scroll[offset]); - - switch (offset) - { - case 0: m_fg_tilemap->set_scrollx(0,data+2);break; - case 1: m_fg_tilemap->set_scrolly(0,data-8);break; - case 2: m_md_tilemap->set_scrollx(0,data+4);break; - case 3: m_md_tilemap->set_scrolly(0,data-8);break; - case 4: m_tilemap->set_scrollx(0,data+6); break; - case 5: m_tilemap->set_scrolly(0,data-8); break; - } -} |