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Diffstat (limited to 'src/mame/video/atarig42.cpp')
-rw-r--r--src/mame/video/atarig42.cpp23
1 files changed, 11 insertions, 12 deletions
diff --git a/src/mame/video/atarig42.cpp b/src/mame/video/atarig42.cpp
index b3b8b197ba5..67a50a0478b 100644
--- a/src/mame/video/atarig42.cpp
+++ b/src/mame/video/atarig42.cpp
@@ -174,23 +174,22 @@ uint32_t atarig42_state::screen_update_atarig42(screen_device &screen, bitmap_in
/* copy the motion objects on top */
{
bitmap_ind16 &mo_bitmap = m_rle->vram(0);
- int left = cliprect.left();
- int top = cliprect.top();
- int right = cliprect.right() + 1;
- int bottom = cliprect.bottom() + 1;
- int x, y;
+ int const left = cliprect.left();
+ int const top = cliprect.top();
+ int const right = cliprect.right() + 1;
+ int const bottom = cliprect.bottom() + 1;
/* now blend with the playfield */
- for (y = top; y < bottom; y++)
+ for (int y = top; y < bottom; y++)
{
- uint16_t *pf = &bitmap.pix16(y);
- uint16_t *mo = &mo_bitmap.pix16(y);
- uint8_t *pri = &priority_bitmap.pix8(y);
- for (x = left; x < right; x++)
+ uint16_t *const pf = &bitmap.pix(y);
+ uint16_t const *const mo = &mo_bitmap.pix(y);
+ uint8_t const *const pri = &priority_bitmap.pix(y);
+ for (int x = left; x < right; x++)
if (mo[x])
{
- int pfpri = pri[x];
- int mopri = mo[x] >> ATARIRLE_PRIORITY_SHIFT;
+ int const pfpri = pri[x];
+ int const mopri = mo[x] >> ATARIRLE_PRIORITY_SHIFT;
if (mopri >= pfpri)
pf[x] = mo[x] & ATARIRLE_DATA_MASK;
}