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author | 2015-11-08 12:56:12 +0100 | |
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committer | 2015-11-08 12:56:12 +0100 | |
commit | 7c19aac60e12d6f5ea301bdb34d7826a01e0b06f (patch) | |
tree | f310d86aa2c6bfc19d115307dedde4eb0cd52dad /src/mame/video/tigeroad.cpp | |
parent | a57b46ae933badd7441ce1644711dbb851e2b504 (diff) |
Rename *.c -> *.cpp in our source (nw)
Diffstat (limited to 'src/mame/video/tigeroad.cpp')
-rw-r--r-- | src/mame/video/tigeroad.cpp | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/src/mame/video/tigeroad.cpp b/src/mame/video/tigeroad.cpp new file mode 100644 index 00000000000..0b7f36c66d7 --- /dev/null +++ b/src/mame/video/tigeroad.cpp @@ -0,0 +1,126 @@ +// license:BSD-3-Clause +// copyright-holders:Phil Stroffolino +#include "emu.h" +#include "includes/tigeroad.h" + + +WRITE16_MEMBER(tigeroad_state::tigeroad_videoram_w) +{ + UINT16 *videoram = m_videoram; + COMBINE_DATA(&videoram[offset]); + m_fg_tilemap->mark_tile_dirty(offset); +} + +WRITE16_MEMBER(tigeroad_state::tigeroad_videoctrl_w) +{ + int bank; + + if (ACCESSING_BITS_8_15) + { + data = (data >> 8) & 0xff; + + /* bit 1 flips screen */ + + if (flip_screen() != (data & 0x02)) + { + flip_screen_set(data & 0x02); + machine().tilemap().mark_all_dirty(); + } + + /* bit 2 selects bg char bank */ + + bank = (data & 0x04) >> 2; + + if (m_bgcharbank != bank) + { + m_bgcharbank = bank; + m_bg_tilemap->mark_all_dirty(); + } + + /* bits 4-5 are coin lockouts */ + if (m_has_coinlock) + { + coin_lockout_w(machine(), 0, !(data & 0x10)); + coin_lockout_w(machine(), 1, !(data & 0x20)); + } + + /* bits 6-7 are coin counters */ + + coin_counter_w(machine(), 0, data & 0x40); + coin_counter_w(machine(), 1, data & 0x80); + } +} + +WRITE16_MEMBER(tigeroad_state::tigeroad_scroll_w) +{ + int scroll = 0; + + COMBINE_DATA(&scroll); + + switch (offset) + { + case 0: + m_bg_tilemap->set_scrollx(0, scroll); + break; + case 1: + m_bg_tilemap->set_scrolly(0, -scroll - 32 * 8); + break; + } +} + + + +TILE_GET_INFO_MEMBER(tigeroad_state::get_bg_tile_info) +{ + UINT8 *tilerom = memregion("bgmap")->base(); + + int data = tilerom[tile_index]; + int attr = tilerom[tile_index + 1]; + int code = data + ((attr & 0xc0) << 2) + (m_bgcharbank << 10); + int color = attr & 0x0f; + int flags = (attr & 0x20) ? TILE_FLIPX : 0; + + SET_TILE_INFO_MEMBER(1, code, color, flags); + tileinfo.group = (attr & 0x10) ? 1 : 0; +} + +TILE_GET_INFO_MEMBER(tigeroad_state::get_fg_tile_info) +{ + UINT16 *videoram = m_videoram; + int data = videoram[tile_index]; + int attr = data >> 8; + int code = (data & 0xff) + ((attr & 0xc0) << 2) + ((attr & 0x20) << 5); + int color = attr & 0x0f; + int flags = (attr & 0x10) ? TILE_FLIPY : 0; + + SET_TILE_INFO_MEMBER(0, code, color, flags); +} + +TILEMAP_MAPPER_MEMBER(tigeroad_state::tigeroad_tilemap_scan) +{ + /* logical (col,row) -> memory offset */ + return 2 * (col % 8) + 16 * ((127 - row) % 8) + 128 * (col / 8) + 2048 * ((127 - row) / 8); +} + +void tigeroad_state::video_start() +{ + m_bg_tilemap = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(tigeroad_state::get_bg_tile_info),this), tilemap_mapper_delegate(FUNC(tigeroad_state::tigeroad_tilemap_scan),this), + 32, 32, 128, 128); + + m_fg_tilemap = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(tigeroad_state::get_fg_tile_info),this), TILEMAP_SCAN_ROWS, + 8, 8, 32, 32); + + m_bg_tilemap->set_transmask(0, 0xffff, 0); + m_bg_tilemap->set_transmask(1, 0x1ff, 0xfe00); + + m_fg_tilemap->set_transparent_pen(3); +} + +UINT32 tigeroad_state::screen_update_tigeroad(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) +{ + m_bg_tilemap->draw(screen, bitmap, cliprect, TILEMAP_DRAW_LAYER1, 0); + m_spritegen->draw_sprites(bitmap, cliprect, m_gfxdecode, 2, m_spriteram->buffer(), m_spriteram->bytes(), flip_screen(), 1 ); + m_bg_tilemap->draw(screen, bitmap, cliprect, TILEMAP_DRAW_LAYER0, 1); + m_fg_tilemap->draw(screen, bitmap, cliprect, 0, 2); + return 0; +} |