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changed to obvious loop

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hap 2015-07-08 22:57:03 +02:00
parent 61bfc52d71
commit 07b11906f6
1 changed files with 6 additions and 17 deletions
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23
src/mess/drivers/m20.c
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@ -119,29 +119,18 @@ MC6845_UPDATE_ROW( m20_state::update_row )
{
UINT32 *p = &bitmap.pix32(y);
const rgb_t *palette = m_palette->palette()->entry_list_raw();
int i;
int i, j;
for ( i = 0; i < x_count; i++ )
{
UINT16 offset = ((ma | (ra << 1)) << 4) + i;
UINT16 data = m_p_videoram[ offset ];
*p = palette[( data & 0x8000 ) ? 1 : 0]; p++;
*p = palette[( data & 0x4000 ) ? 1 : 0]; p++;
*p = palette[( data & 0x2000 ) ? 1 : 0]; p++;
*p = palette[( data & 0x1000 ) ? 1 : 0]; p++;
*p = palette[( data & 0x0800 ) ? 1 : 0]; p++;
*p = palette[( data & 0x0400 ) ? 1 : 0]; p++;
*p = palette[( data & 0x0200 ) ? 1 : 0]; p++;
*p = palette[( data & 0x0100 ) ? 1 : 0]; p++;
*p = palette[( data & 0x0080 ) ? 1 : 0]; p++;
*p = palette[( data & 0x0040 ) ? 1 : 0]; p++;
*p = palette[( data & 0x0020 ) ? 1 : 0]; p++;
*p = palette[( data & 0x0010 ) ? 1 : 0]; p++;
*p = palette[( data & 0x0008 ) ? 1 : 0]; p++;
*p = palette[( data & 0x0004 ) ? 1 : 0]; p++;
*p = palette[( data & 0x0002 ) ? 1 : 0]; p++;
*p = palette[( data & 0x0001 ) ? 1 : 0]; p++;
for ( j = 15; j >= 0; j-- )
{
*p = palette[( data & 1 << j ) ? 1 : 0];
p++;
}
}
}