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Diffstat (limited to 'src/mame/drivers/okean240.cpp')
-rw-r--r--src/mame/drivers/okean240.cpp13
1 files changed, 5 insertions, 8 deletions
diff --git a/src/mame/drivers/okean240.cpp b/src/mame/drivers/okean240.cpp
index 6ea860f4762..f024415038a 100644
--- a/src/mame/drivers/okean240.cpp
+++ b/src/mame/drivers/okean240.cpp
@@ -421,17 +421,14 @@ void okean240_state::machine_reset()
u32 okean240_state::screen_update_okean240(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
- u8 gfx,ma; // ma must be 8bit
- u16 x,y;
-
- for (y = 0; y < 256; y++)
+ for (u16 y = 0; y < 256; y++)
{
- ma = y + m_scroll;
- u16 *p = &bitmap.pix16(y);
+ u8 const ma = y + m_scroll; // ma must be 8-bit
+ u16 *p = &bitmap.pix(y);
- for (x = 0; x < 0x4000; x+=0x200)
+ for (u16 x = 0; x < 0x4000; x+=0x200)
{
- gfx = m_p_videoram[x|ma] | m_p_videoram[x|ma|0x100];
+ u8 const gfx = m_p_videoram[x|ma] | m_p_videoram[x|ma|0x100];
/* Display a scanline of a character */
*p++ = BIT(gfx, 0);