diff options
Diffstat (limited to 'src/mame/capcom/higemaru_v.cpp')
-rw-r--r-- | src/mame/capcom/higemaru_v.cpp | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/src/mame/capcom/higemaru_v.cpp b/src/mame/capcom/higemaru_v.cpp deleted file mode 100644 index f9b91f70e37..00000000000 --- a/src/mame/capcom/higemaru_v.cpp +++ /dev/null @@ -1,142 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Mirko Buffoni -#include "emu.h" -#include "higemaru.h" - -void higemaru_state::higemaru_videoram_w(offs_t offset, uint8_t data) -{ - m_videoram[offset] = data; - m_bg_tilemap->mark_tile_dirty(offset); -} - -void higemaru_state::higemaru_colorram_w(offs_t offset, uint8_t data) -{ - m_colorram[offset] = data; - m_bg_tilemap->mark_tile_dirty(offset); -} - -/*************************************************************************** - - Convert the color PROMs into a more useable format. - -***************************************************************************/ - -void higemaru_state::higemaru_palette(palette_device &palette) const -{ - const uint8_t *color_prom = memregion("proms")->base(); - - // create a lookup table for the palette - for (int i = 0; i < 0x20; i++) - { - int bit0, bit1, bit2; - - // red component - bit0 = (color_prom[i] >> 0) & 0x01; - bit1 = (color_prom[i] >> 1) & 0x01; - bit2 = (color_prom[i] >> 2) & 0x01; - int const r = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2; - - // green component - bit0 = (color_prom[i] >> 3) & 0x01; - bit1 = (color_prom[i] >> 4) & 0x01; - bit2 = (color_prom[i] >> 5) & 0x01; - int const g = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2; - - // blue component - bit0 = 0; - bit1 = (color_prom[i] >> 6) & 0x01; - bit2 = (color_prom[i] >> 7) & 0x01; - int const b = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2; - - palette.set_indirect_color(i, rgb_t(r, g, b)); - } - - // color_prom now points to the beginning of the lookup table - color_prom += 0x20; - - // characters use colors 0-15 - for (int i = 0; i < 0x80; i++) - { - uint8_t const ctabentry = color_prom[i] & 0x0f; - palette.set_pen_indirect(i, ctabentry); - } - - // sprites use colors 16-31 - for (int i = 0x80; i < 0x180; i++) - { - uint8_t const ctabentry = (color_prom[i + 0x80] & 0x0f) | 0x10; - palette.set_pen_indirect(i, ctabentry); - } -} - -void higemaru_state::higemaru_c800_w(uint8_t data) -{ - if (data & 0x7c) - logerror("c800 = %02x\n",data); - - /* bits 0 and 1 are coin counters */ - machine().bookkeeping().coin_counter_w(0,data & 2); - machine().bookkeeping().coin_counter_w(1,data & 1); - - /* bit 7 flips screen */ - if (flip_screen() != (data & 0x80)) - { - flip_screen_set(data & 0x80); - m_bg_tilemap->mark_all_dirty(); - } -} - -TILE_GET_INFO_MEMBER(higemaru_state::get_bg_tile_info) -{ - int code = m_videoram[tile_index] + ((m_colorram[tile_index] & 0x80) << 1); - int color = m_colorram[tile_index] & 0x1f; - - tileinfo.set(0, code, color, 0); -} - -void higemaru_state::video_start() -{ - m_bg_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(*this, FUNC(higemaru_state::get_bg_tile_info)), TILEMAP_SCAN_ROWS, 8, 8, 32, 32); -} - -void higemaru_state::draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect) -{ - uint8_t *spriteram = m_spriteram; - - for (int offs = m_spriteram.bytes() - 16; offs >= 0; offs -= 16) - { - int const code = spriteram[offs] & 0x7f; - int col = spriteram[offs + 4] & 0x0f; - int sx = spriteram[offs + 12]; - int sy = spriteram[offs + 8]; - int flipx = spriteram[offs + 4] & 0x10; - int flipy = spriteram[offs + 4] & 0x20; - if (flip_screen()) - { - sx = 240 - sx; - sy = 240 - sy; - flipx = !flipx; - flipy = !flipy; - } - - m_gfxdecode->gfx(1)->transpen(bitmap,cliprect, - code, - col, - flipx,flipy, - sx,sy,15); - - /* draw again with wraparound */ - m_gfxdecode->gfx(1)->transpen(bitmap,cliprect, - code, - col, - flipx,flipy, - sx - 256,sy,15); - } -} - -uint32_t higemaru_state::screen_update_higemaru(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) -{ - m_bg_tilemap->draw(screen, bitmap, cliprect, 0, 0); - draw_sprites(bitmap, cliprect); - return 0; -} |