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Diffstat (limited to 'src/mame/video/nemesis.c')
-rw-r--r--src/mame/video/nemesis.c31
1 files changed, 15 insertions, 16 deletions
diff --git a/src/mame/video/nemesis.c b/src/mame/video/nemesis.c
index 34f7da7511e..db59b055c06 100644
--- a/src/mame/video/nemesis.c
+++ b/src/mame/video/nemesis.c
@@ -412,9 +412,8 @@ static void draw_sprites( running_machine &machine, bitmap_ind16 &bitmap, const
/******************************************************************************/
-SCREEN_UPDATE_IND16( nemesis )
+UINT32 nemesis_state::screen_update_nemesis(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
- nemesis_state *state = screen.machine().driver_data<nemesis_state>();
int offs;
rectangle clip;
@@ -424,20 +423,20 @@ SCREEN_UPDATE_IND16( nemesis )
clip.min_x = 0;
clip.max_x = 255;
- state->m_background->set_scroll_cols(64);
- state->m_foreground->set_scroll_cols(64);
- state->m_background->set_scroll_rows(1);
- state->m_foreground->set_scroll_rows(1);
+ m_background->set_scroll_cols(64);
+ m_foreground->set_scroll_cols(64);
+ m_background->set_scroll_rows(1);
+ m_foreground->set_scroll_rows(1);
for (offs = 0; offs < 64; offs++)
{
int offset_x = offs;
- if (state->m_flipscreen)
+ if (m_flipscreen)
offset_x = (offs + 0x20) & 0x3f;
- state->m_background->set_scrolly(offs, state->m_yscroll2[offset_x]);
- state->m_foreground->set_scrolly(offs, state->m_yscroll1[offset_x]);
+ m_background->set_scrolly(offs, m_yscroll2[offset_x]);
+ m_foreground->set_scrolly(offs, m_yscroll1[offset_x]);
}
for (offs = cliprect.min_y; offs <= cliprect.max_y; offs++)
@@ -448,18 +447,18 @@ SCREEN_UPDATE_IND16( nemesis )
clip.min_y = offs;
clip.max_y = offs;
- if (state->m_flipscreen)
+ if (m_flipscreen)
offset_y = 255 - offs;
- state->m_background->set_scrollx(0, (state->m_xscroll2[offset_y] & 0xff) + ((state->m_xscroll2[0x100 + offset_y] & 0x01) << 8) - (state->m_flipscreen ? 0x107 : 0));
- state->m_foreground->set_scrollx(0, (state->m_xscroll1[offset_y] & 0xff) + ((state->m_xscroll1[0x100 + offset_y] & 0x01) << 8) - (state->m_flipscreen ? 0x107 : 0));
+ m_background->set_scrollx(0, (m_xscroll2[offset_y] & 0xff) + ((m_xscroll2[0x100 + offset_y] & 0x01) << 8) - (m_flipscreen ? 0x107 : 0));
+ m_foreground->set_scrollx(0, (m_xscroll1[offset_y] & 0xff) + ((m_xscroll1[0x100 + offset_y] & 0x01) << 8) - (m_flipscreen ? 0x107 : 0));
for (i = 0; i < 4; i += 2)
{
- state->m_background->draw(bitmap, clip, TILEMAP_DRAW_CATEGORY(i + 0), 1);
- state->m_background->draw(bitmap, clip, TILEMAP_DRAW_CATEGORY(i + 1), 2);
- state->m_foreground->draw(bitmap, clip, TILEMAP_DRAW_CATEGORY(i + 0), 1);
- state->m_foreground->draw(bitmap, clip, TILEMAP_DRAW_CATEGORY(i + 1), 2);
+ m_background->draw(bitmap, clip, TILEMAP_DRAW_CATEGORY(i + 0), 1);
+ m_background->draw(bitmap, clip, TILEMAP_DRAW_CATEGORY(i + 1), 2);
+ m_foreground->draw(bitmap, clip, TILEMAP_DRAW_CATEGORY(i + 0), 1);
+ m_foreground->draw(bitmap, clip, TILEMAP_DRAW_CATEGORY(i + 1), 2);
}
}