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ssv: implemented y offset for tilemaps 2-8 (removed kludge for all games axcept eaglshot)

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This commit is contained in:
Roberto Zandona 2010-09-11 20:42:29 +00:00
parent bb7657c8d3
commit b5dd4c8a76
1 changed files with 21 additions and 16 deletions
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37
src/mame/video/ssv.c
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@ -291,10 +291,12 @@ VIDEO_START( gdfs )
---- ba98 ---- ---- ? 0101 for all games
---- ---- -6-- ---- y tilemap inversion?
---- ---- ---4 ---- x tilemap inversion?
1c0076-77 -e-- ---- ---- ---- global/local spites coordinates
1c0076-77 -e-- ---- ---- ---- global/local sprites coordinates
---- ---- -6-- ---- shadow (2bits - 4bits)
1c0078-79 ---- ---- ---- ---- ?
1c007a-7b ---- ---- ---- ---- ?
---- -a-- ---- ---- left-right up-down inversion
1c0060-7f:
drifto94: 0000 0025 00cd 01c6 - 0001 0013 0101 0106
@ -759,19 +761,20 @@ static void draw_sprites(running_machine *machine, bitmap_t *bitmap, const recta
{
int attr, code, color, num, sprite;
int sx, x, xoffs, flipx, xnum, xstart, xend, xinc, sprites_offsx;
int sy, y, yoffs, flipy, ynum, ystart, yend, yinc, sprites_offsy;
int sy, y, yoffs, flipy, ynum, ystart, yend, yinc, sprites_offsy, tilemaps_offsy;
int mode,global_depth,global_xnum,global_ynum;
mode = s1[ 0 ];
sprite = s1[ 1 ];
xoffs = s1[ 2 ];
yoffs = s1[ 3 ];
mode = s1[ 0 ];
sprite = s1[ 1 ];
xoffs = s1[ 2 ];
yoffs = s1[ 3 ];
/* Last sprite */
if (sprite & 0x8000) break;
/* Single-sprite address */
s2 = &spriteram16[ (sprite & 0x7fff) * 4 ];
s2 = &spriteram16[ (sprite & 0x7fff) * 4 ];
tilemaps_offsy = ((s2[3] & 0x1ff) - (s2[3] & 0x200));
/* Every single sprite is offset by x & yoffs, and additionally
by one of the 8 x & y offsets in the 1c0040-1c005f area */
@ -818,17 +821,19 @@ static void draw_sprites(running_machine *machine, bitmap_t *bitmap, const recta
scroll = s2[ 0 ]; // scroll index
switch( ssv_scroll[0x7a/2] )
if (ssv_scroll[0x76/2] & 0x1000)
sy -= 0x20; // kludge for eaglshot
else
{
case 0x4940: sy += 0x60; break; // srmp4
case 0x5940: sy -= 0x20; break; // drifto94, dynagear, eaglshot, keithlcy, mslider, stmblade
case 0x5950: sy += 0xdf; break; // gdfs
case 0x7940: sy -= 0x10; break; // ultrax, twineag2
if (ssv_scroll[0x7a/2] & 0x0800)
{
if (ssv_scroll[0x7a/2] & 0x1000) // drifto94, dynagear, keithlcy, mslider, stmblade, gdfs, ultrax, twineag2
sy -= tilemaps_offsy;
else // srmp4
sy += tilemaps_offsy;
}
}
// sx += xoffs;
// sy += yoffs;
if ((mode & 0x001f) != 0)
draw_row(machine, bitmap, cliprect, sx, sy, scroll);
}