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renegade.cpp : Fix bit manipulations

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This commit is contained in:
cam900 2018-04-23 22:41:32 +09:00 committed by Vas Crabb
parent 2146df0c35
commit 5ec49fc340
1 changed files with 4 additions and 7 deletions
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11
src/mame/video/renegade.cpp
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@ -13,15 +13,13 @@
WRITE8_MEMBER(renegade_state::bg_videoram_w) WRITE8_MEMBER(renegade_state::bg_videoram_w)
{ {
m_bg_videoram[offset] = data; m_bg_videoram[offset] = data;
offset = offset % (64 * 16); m_bg_tilemap->mark_tile_dirty(offset & 0x3ff);
m_bg_tilemap->mark_tile_dirty(offset);
} }
WRITE8_MEMBER(renegade_state::fg_videoram_w) WRITE8_MEMBER(renegade_state::fg_videoram_w)
{ {
m_fg_videoram[offset] = data; m_fg_videoram[offset] = data;
offset = offset % (32 * 32); m_fg_tilemap->mark_tile_dirty(offset & 0x3ff);
m_fg_tilemap->mark_tile_dirty(offset);
} }
WRITE8_MEMBER(renegade_state::flipscreen_w) WRITE8_MEMBER(renegade_state::flipscreen_w)
@ -54,7 +52,7 @@ TILE_GET_INFO_MEMBER(renegade_state::get_fg_tilemap_info)
const uint8_t *source = &m_fg_videoram[tile_index]; const uint8_t *source = &m_fg_videoram[tile_index];
uint8_t attributes = source[0x400]; uint8_t attributes = source[0x400];
SET_TILE_INFO_MEMBER(0, SET_TILE_INFO_MEMBER(0,
(attributes & 3) * 256 + source[0], ((attributes & 3) << 8) | source[0],
attributes >> 6, attributes >> 6,
0); 0);
} }
@ -100,9 +98,8 @@ void renegade_state::draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprec
if (attributes & 0x80) /* big sprite */ if (attributes & 0x80) /* big sprite */
{ {
sprite_number &= ~1;
m_gfxdecode->gfx(sprite_bank)->transpen(bitmap,cliprect, m_gfxdecode->gfx(sprite_bank)->transpen(bitmap,cliprect,
sprite_number + 1, sprite_number | 1,
color, color,
xflip, flip_screen(), xflip, flip_screen(),
sx, sy + (flip_screen() ? -16 : 16), 0); sx, sy + (flip_screen() ? -16 : 16), 0);