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Diffstat (limited to 'src/mame/video/amspdwy.cpp')
-rw-r--r--src/mame/video/amspdwy.cpp142
1 files changed, 0 insertions, 142 deletions
diff --git a/src/mame/video/amspdwy.cpp b/src/mame/video/amspdwy.cpp
deleted file mode 100644
index 612d3703bd3..00000000000
--- a/src/mame/video/amspdwy.cpp
+++ /dev/null
@@ -1,142 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:Luca Elia
-/***************************************************************************
-
- -= American Speedway =-
-
- driver by Luca Elia (l.elia@tin.it)
-
-
-- 8x8 4 Color Tiles (with 8 palettes) used for both:
-
- - 1 256x256 non scrolling layer
- - 64 (32?) Sprites
-
-***************************************************************************/
-
-#include "emu.h"
-#include "includes/amspdwy.h"
-
-
-void amspdwy_state::amspdwy_flipscreen_w(uint8_t data)
-{
- m_flipscreen ^= 1;
- flip_screen_set(m_flipscreen);
-}
-
-/***************************************************************************
-
- Callbacks for the TileMap code
-
- [ Tiles Format ]
-
- Videoram: 76543210 Code Low Bits
- Colorram: 765-----
- ---43--- Code High Bits
- -----210 Color
-
-***************************************************************************/
-
-TILE_GET_INFO_MEMBER(amspdwy_state::get_tile_info)
-{
- uint8_t code = m_videoram[tile_index];
- uint8_t color = m_colorram[tile_index];
- tileinfo.set(0,
- code + ((color & 0x18)<<5),
- color & 0x07,
- 0);
-}
-
-void amspdwy_state::amspdwy_videoram_w(offs_t offset, uint8_t data)
-{
- m_videoram[offset] = data;
- m_bg_tilemap->mark_tile_dirty(offset);
-}
-
-void amspdwy_state::amspdwy_colorram_w(offs_t offset, uint8_t data)
-{
- m_colorram[offset] = data;
- m_bg_tilemap->mark_tile_dirty(offset);
-}
-
-
-/* logical (col,row) -> memory offset */
-TILEMAP_MAPPER_MEMBER(amspdwy_state::tilemap_scan_cols_back)
-{
- return col * num_rows + (num_rows - row - 1);
-}
-
-
-void amspdwy_state::video_start()
-{
- m_bg_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(*this, FUNC(amspdwy_state::get_tile_info)), tilemap_mapper_delegate(*this, FUNC(amspdwy_state::tilemap_scan_cols_back)), 8, 8, 0x20, 0x20);
-}
-
-
-
-/***************************************************************************
-
- Sprites Drawing
-
-Offset: Format: Value:
-
-0 Y
-1 X
-2 Code Low Bits
-3 7------- Flip X
- -6------ Flip Y
- --5-----
- ---4---- ?
- ----3--- Code High Bit?
- -----210 Color
-
-***************************************************************************/
-
-void amspdwy_state::draw_sprites( bitmap_ind16 &bitmap, const rectangle &cliprect )
-{
- uint8_t *spriteram = m_spriteram;
- int i;
- int max_x = m_screen->width() - 1;
- int max_y = m_screen->height() - 1;
-
- for (i = 0; i < m_spriteram.bytes() ; i += 4)
- {
- int y = spriteram[i + 0];
- int x = spriteram[i + 1];
- int code = spriteram[i + 2];
- int attr = spriteram[i + 3];
- int flipx = attr & 0x80;
- int flipy = attr & 0x40;
-
- if (flip_screen())
- {
- x = max_x - x - 8;
- y = max_y - y - 8;
- flipx = !flipx;
- flipy = !flipy;
- }
-
- m_gfxdecode->gfx(0)->transpen(bitmap,cliprect,
-// code + ((attr & 0x18)<<5),
- code + ((attr & 0x08)<<5),
- attr,
- flipx, flipy,
- x,y,0 );
- }
-}
-
-
-
-
-/***************************************************************************
-
- Screen Drawing
-
-***************************************************************************/
-
-uint32_t amspdwy_state::screen_update_amspdwy(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
-{
- m_bg_tilemap->draw(screen, bitmap, cliprect, 0, 0);
- draw_sprites(bitmap, cliprect);
- return 0;
-}