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Diffstat (limited to 'src/mame/video/mrjong.cpp')
-rw-r--r-- | src/mame/video/mrjong.cpp | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/src/mame/video/mrjong.cpp b/src/mame/video/mrjong.cpp deleted file mode 100644 index 800758a9218..00000000000 --- a/src/mame/video/mrjong.cpp +++ /dev/null @@ -1,146 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Takahiro Nogi -/*************************************************************************** - - video.c - - Functions to emulate the video hardware of the machine. - -***************************************************************************/ - -#include "emu.h" -#include "includes/mrjong.h" - - -/*************************************************************************** - - Convert the color PROMs. (from video/pengo.c) - -***************************************************************************/ - -void mrjong_state::mrjong_palette(palette_device &palette) const -{ - uint8_t const *color_prom = memregion("proms")->base(); - - // create a lookup table for the palette - for (int i = 0; i < 0x10; i++) - { - int bit0, bit1, bit2; - - // red component - bit0 = BIT(color_prom[i], 0); - bit1 = BIT(color_prom[i], 1); - bit2 = BIT(color_prom[i], 2); - int const r = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2; - - // green component - bit0 = BIT(color_prom[i], 3); - bit1 = BIT(color_prom[i], 4); - bit2 = BIT(color_prom[i], 5); - int const g = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2; - - // blue component - bit0 = 0; - bit1 = BIT(color_prom[i], 6); - bit2 = BIT(color_prom[i], 7); - 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/sprites - for (int i = 0; i < 0x80; i++) - { - uint8_t const ctabentry = color_prom[i] & 0x0f; - palette.set_pen_indirect(i, ctabentry); - } -} - - -/*************************************************************************** - - Display control parameter. - -***************************************************************************/ - -WRITE8_MEMBER(mrjong_state::mrjong_videoram_w) -{ - m_videoram[offset] = data; - m_bg_tilemap->mark_tile_dirty(offset); -} - -WRITE8_MEMBER(mrjong_state::mrjong_colorram_w) -{ - m_colorram[offset] = data; - m_bg_tilemap->mark_tile_dirty(offset); -} - -WRITE8_MEMBER(mrjong_state::mrjong_flipscreen_w) -{ - if (flip_screen() != BIT(data, 2)) - { - flip_screen_set(BIT(data, 2)); - machine().tilemap().mark_all_dirty(); - } -} - -TILE_GET_INFO_MEMBER(mrjong_state::get_bg_tile_info) -{ - int code = m_videoram[tile_index] | ((m_colorram[tile_index] & 0x20) << 3); - int color = m_colorram[tile_index] & 0x1f; - int flags = ((m_colorram[tile_index] & 0x40) ? TILE_FLIPX : 0) | ((m_colorram[tile_index] & 0x80) ? TILE_FLIPY : 0); - - SET_TILE_INFO_MEMBER(0, code, color, flags); -} - -void mrjong_state::video_start() -{ - m_bg_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(FUNC(mrjong_state::get_bg_tile_info),this), TILEMAP_SCAN_ROWS_FLIP_XY, 8, 8, 32, 32); -} - -/* -Note: First 0x40 entries in the videoram are actually spriteram -*/ -void mrjong_state::draw_sprites( bitmap_ind16 &bitmap, const rectangle &cliprect ) -{ - int offs; - - for (offs = (0x40 - 4); offs >= 0; offs -= 4) - { - int sprt; - int color; - int sx, sy; - int flipx, flipy; - - sprt = (((m_videoram[offs + 1] >> 2) & 0x3f) | ((m_videoram[offs + 3] & 0x20) << 1)); - flipx = (m_videoram[offs + 1] & 0x01) >> 0; - flipy = (m_videoram[offs + 1] & 0x02) >> 1; - color = (m_videoram[offs + 3] & 0x1f); - - sx = 224 - m_videoram[offs + 2]; - sy = m_videoram[offs + 0]; - if (flip_screen()) - { - sx = 208 - sx; - sy = 240 - sy; - flipx = !flipx; - flipy = !flipy; - } - - m_gfxdecode->gfx(1)->transpen(bitmap,cliprect, - sprt, - color, - flipx, flipy, - sx, sy, 0); - } -} - -uint32_t mrjong_state::screen_update_mrjong(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) -{ - m_bg_tilemap->draw(screen, bitmap, cliprect, 0, 0); - draw_sprites(bitmap, cliprect); - return 0; -} |