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ssv: simplified the code

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This commit is contained in:
Roberto Zandona 2011-01-15 16:19:08 +00:00
parent 26926438bc
commit 7a261e4514
1 changed files with 4 additions and 7 deletions
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11
src/mame/video/ssv.c
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@ -898,12 +898,9 @@ static void draw_sprites(running_machine *machine, bitmap_t *bitmap, const recta
sx = (sx & 0x1ff) - (sx & 0x200);
sy = (sy & 0x1ff) - (sy & 0x200);
sprites_offsx = ((ssv_scroll[0x74/2] & 0x7f) - (ssv_scroll[0x74/2] & 0x80)) +
(((ssv_scroll[0x74/2] & 0x1000) && ((ssv_scroll[0x74/2] & 0x2000) == 0))
? ((ssv_scroll[0x7a/2] & 0x0800) >> 8) : -((ssv_scroll[0x7a/2] & 0x0800) >> 8)) - 0;
sprites_offsx = ((ssv_scroll[0x74/2] & 0x7f) - (ssv_scroll[0x74/2] & 0x80)) - 0;
sprites_offsy = (-1)*((ssv_scroll[0x70/2] & 0x1ff) - (ssv_scroll[0x70/2] & 0x200) + ssv_scroll[0x6a/2] + 1) -
(((ssv_scroll[0x7a/2] ^ 0x0800) & 0x0800) >> 8) - 0;
sprites_offsy = -((ssv_scroll[0x70/2] & 0x1ff) - (ssv_scroll[0x70/2] & 0x200) + ssv_scroll[0x6a/2] + 1);
if (ssv_scroll[0x74/2] & 0x4000) // flipscreen y
{
@ -925,14 +922,14 @@ static void draw_sprites(running_machine *machine, bitmap_t *bitmap, const recta
{
// dynagear, drifto94, eaglshot, keithlcy, mslider, srmp4, stmblade, twineag2, ultrax
sx = sprites_offsx + sx - (xnum - 1) * 8;
sx = sprites_offsx + sx - (xnum * 8) ;
sy = sprites_offsy - sy - (ynum * 8) / 2;
}
else
{
// hypreact, hypreac2, janjans1, meosism, ryorioh, survarts, sxyreact, sxyreac2, vasara, vasara2
sx = sprites_offsx + sx; // not necessary for meosism
sy = sprites_offsy - sy - (ynum - 1) * 8;
sy = sprites_offsy - sy - (ynum * 8);
}
// srmp7