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reverted previous changes regarding '2-cell' vertical scroll mode when column is partially scrolled horizontally (fixes Formula One Championship)

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ekeeke31 2010-02-24 22:28:08 +00:00
parent 0c3e9c601c
commit 55a8c5a7ac
1 changed files with 8 additions and 28 deletions
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36
source/render.c
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@ -1084,13 +1084,8 @@ static void render_bg_vs(uint32 line, uint32 width)
{
dst = (uint32 *)&buf[0x10 + shift];
#ifdef LSB_FIRST
v_line = (line + ((vs[0] >> 16) & 0x3FF)) & pf_row_mask;
#else
v_line = (line + (vs[0] & 0x3FF)) & pf_row_mask;
#endif
nt = (uint32 *)&vram[ntbb + (((v_line >> 3) << pf_shift) & 0x1FC0)];
v_line = (v_line & 7) << 3;
nt = (uint32 *)&vram[ntbb + (((line >> 3) << pf_shift) & 0x1FC0)];
v_line = (line & 7) << 3;
atbuf = nt[(index-1) & pf_col_mask];
DRAW_COLUMN(atbuf, v_line)
@ -1152,13 +1147,8 @@ static void render_bg_vs(uint32 line, uint32 width)
{
dst = (uint32 *)&buf[0x10 + shift + (start<<4)];
#ifdef LSB_FIRST
v_line = (line + (vs[start] & 0x3FF)) & pf_row_mask;
#else
v_line = (line + ((vs[start] >> 16) & 0x3FF)) & pf_row_mask;
#endif
nt = (uint32 *)&vram[ntab + (((v_line >> 3) << pf_shift) & 0x1FC0)];
v_line = (v_line & 7) << 3;
nt = (uint32 *)&vram[ntab + (((line >> 3) << pf_shift) & 0x1FC0)];
v_line = (line & 7) << 3;
/* Window bug */
if (start) atbuf = nt[index & pf_col_mask];
@ -1356,13 +1346,8 @@ static void render_bg_im2_vs(uint32 line, uint32 width, uint32 odd)
{
dst = (uint32 *)&buf[0x10 + shift];
#ifdef LSB_FIRST
v_line = (line + ((vs[0] >> 17) & 0x3FF)) & pf_row_mask;
#else
v_line = (line + ((vs[0] >> 1) & 0x3FF)) & pf_row_mask;
#endif
nt = (uint32 *)&vram[ntbb + (((v_line >> 3) << pf_shift) & 0x1FC0)];
v_line = (((v_line & 7) << 1) | odd) << 3;
nt = (uint32 *)&vram[ntbb + (((line >> 3) << pf_shift) & 0x1FC0)];
v_line = (((line & 7) << 1) | odd) << 3;
atbuf = nt[(index-1) & pf_col_mask];
DRAW_COLUMN_IM2(atbuf, v_line)
@ -1422,13 +1407,8 @@ static void render_bg_im2_vs(uint32 line, uint32 width, uint32 odd)
{
dst = (uint32 *)&buf[0x10 + shift + (start<<4)];
#ifdef LSB_FIRST
v_line = (line + ((vs[start] >> 1) & 0x3FF)) & pf_row_mask;
#else
v_line = (line + ((vs[start] >> 17) & 0x3FF)) & pf_row_mask;
#endif
nt = (uint32 *)&vram[ntab + (((v_line >> 3) << pf_shift) & 0x1FC0)];
v_line = (((v_line & 7) << 1) | odd) << 3;
nt = (uint32 *)&vram[ntab + (((line >> 3) << pf_shift) & 0x1FC0)];
v_line = (((line & 7) << 1) | odd) << 3;
/* Window bug */
if (start) atbuf = nt[index & pf_col_mask];