diff options
Diffstat (limited to 'src/mame/video/ladyfrog.cpp')
-rw-r--r-- | src/mame/video/ladyfrog.cpp | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/src/mame/video/ladyfrog.cpp b/src/mame/video/ladyfrog.cpp deleted file mode 100644 index 4ff916aaffd..00000000000 --- a/src/mame/video/ladyfrog.cpp +++ /dev/null @@ -1,164 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Tomasz Slanina -/*************************************************************************** - - ladyfrog.cpp - - Functions to emulate the video hardware of the machine. - -***************************************************************************/ -#include "emu.h" -#include "includes/ladyfrog.h" - - -void ladyfrog_state::ladyfrog_spriteram_w(offs_t offset, uint8_t data) -{ - m_spriteram[offset] = data; -} - -uint8_t ladyfrog_state::ladyfrog_spriteram_r(offs_t offset) -{ - return m_spriteram[offset]; -} - -TILE_GET_INFO_MEMBER(ladyfrog_state::get_tile_info) -{ - int pal = m_videoram[tile_index * 2 + 1] & 0x0f; - int tile = m_videoram[tile_index * 2] + ((m_videoram[tile_index * 2 + 1] & 0xc0) << 2)+ ((m_videoram[tile_index * 2 + 1] & 0x30) << 6); - tileinfo.set(0, - tile + 0x1000 * m_tilebank, - pal,TILE_FLIPY - ); -} - -void ladyfrog_state::ladyfrog_videoram_w(offs_t offset, uint8_t data) -{ - m_videoram[offset] = data; - m_bg_tilemap->mark_tile_dirty(offset >> 1); -} - -uint8_t ladyfrog_state::ladyfrog_videoram_r(offs_t offset) -{ - return m_videoram[offset]; -} - -void ladyfrog_state::ladyfrog_palette_w(offs_t offset, uint8_t data) -{ - if (offset & 0x100) - m_palette->write8_ext((offset & 0xff) + (m_palette_bank << 8), data); - else - m_palette->write8((offset & 0xff) + (m_palette_bank << 8), data); -} - -uint8_t ladyfrog_state::ladyfrog_palette_r(offs_t offset) -{ - if (offset & 0x100) - return m_paletteram_ext[(offset & 0xff) + (m_palette_bank << 8)]; - else - return m_paletteram[(offset & 0xff) + (m_palette_bank << 8)]; -} - -void ladyfrog_state::ladyfrog_gfxctrl_w(uint8_t data) -{ - m_palette_bank = (data & 0x20) >> 5; -} - -void ladyfrog_state::ladyfrog_gfxctrl2_w(uint8_t data) -{ - m_tilebank = ((data & 0x18) >> 3) ^ 3; - m_bg_tilemap->mark_all_dirty(); -} - - -#ifdef UNUSED_FUNCTION -int gfxctrl; - -uint8_t ladyfrog_state::ladyfrog_gfxctrl_r() -{ - return gfxctrl; -} -#endif - -uint8_t ladyfrog_state::ladyfrog_scrlram_r(offs_t offset) -{ - return m_scrlram[offset]; -} - -void ladyfrog_state::ladyfrog_scrlram_w(offs_t offset, uint8_t data) -{ - m_scrlram[offset] = data; - m_bg_tilemap->set_scrolly(offset, data); -} - -void ladyfrog_state::draw_sprites( bitmap_ind16 &bitmap, const rectangle &cliprect ) -{ - int i; - for (i = 0; i < 0x20; i++) - { - int pr = m_spriteram[0x9f - i]; - int offs = (pr & 0x1f) * 4; - { - int code, sx, sy, flipx, flipy, pal; - code = m_spriteram[offs + 2] + ((m_spriteram[offs + 1] & 0x10) << 4) + m_spritetilebase; - pal = m_spriteram[offs + 1] & 0x0f; - sx = m_spriteram[offs + 3]; - sy = 238 - m_spriteram[offs + 0]; - flipx = ((m_spriteram[offs + 1] & 0x40)>>6); - flipy = ((m_spriteram[offs + 1] & 0x80)>>7); - m_gfxdecode->gfx(1)->transpen(bitmap,cliprect, - code, - pal, - flipx,flipy, - sx,sy,15); - - if (m_spriteram[offs + 3] > 240) - { - sx = (m_spriteram[offs + 3] - 256); - m_gfxdecode->gfx(1)->transpen(bitmap,cliprect, - code, - pal, - flipx,flipy, - sx,sy,15); - } - } - } -} - -VIDEO_START_MEMBER(ladyfrog_state,ladyfrog_common) -{ - m_spriteram = std::make_unique<uint8_t[]>(160); - m_bg_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(*this, FUNC(ladyfrog_state::get_tile_info)), TILEMAP_SCAN_ROWS, 8, 8, 32, 32); - - m_paletteram.resize(0x200); - m_paletteram_ext.resize(0x200); - m_palette->basemem().set(m_paletteram, ENDIANNESS_LITTLE, 1); - m_palette->extmem().set(m_paletteram_ext, ENDIANNESS_LITTLE, 1); - - m_bg_tilemap->set_scroll_cols(32); - m_bg_tilemap->set_scrolldy(15, 15); - - save_pointer(NAME(m_spriteram), 160); - save_item(NAME(m_paletteram)); - save_item(NAME(m_paletteram_ext)); -} - -void ladyfrog_state::video_start() -{ - // weird, there are sprite tiles at 0x000 and 0x400, but they don't contain all the sprites! - m_spritetilebase = 0x800; - VIDEO_START_CALL_MEMBER(ladyfrog_common); -} - -VIDEO_START_MEMBER(ladyfrog_state,toucheme) -{ - m_spritetilebase = 0x000; - VIDEO_START_CALL_MEMBER(ladyfrog_common); -} - - -uint32_t ladyfrog_state::screen_update_ladyfrog(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) -{ - m_bg_tilemap->draw(screen, bitmap, cliprect, 0, 0); - draw_sprites(bitmap, cliprect); - return 0; -} |