YSIZE00
yblasted[yy[j] = (y+YSIZE00) % YSIZE] |= 1;
while (y<0) y += YSIZE00;
y = (obj->posy - sgn(obj->vely) + YSIZE00) % YSIZE;
y = (y + rand_mod(3) - 1 + YSIZE00) % YSIZE;
y = (y + curobj->vely + YSIZE00) % YSIZE;
to = occupant[(curobj->posy+curobj->vely+YSIZE00)%YSIZE]
y=(curkl->posy+curkl->vely+YSIZE00)%YSIZE; /* find prospective */
y = (y + dy + YSIZE00) % YSIZE;
y = (y - dy + YSIZE00) % YSIZE;
blast[y=(obj->posy+obj->vely+YSIZE00)%YSIZE]
(obj=occupant[(ent->posy+evely+YSIZE00)%YSIZE]
(obj=occupant[(base->posy+bvely+YSIZE00)%YSIZE]
cury = (cury + dy + YSIZE00) % YSIZE;
(obj->posy + obj->vely + YSIZE00)%YSIZE
blast[y=(obj->posy+obj->vely+YSIZE00)%YSIZE]
to = occupant[(from->posy+from->vely+ydir+YSIZE00)%YSIZE]
y = (obj->posy+(obj==base?dy*2:dy)+YSIZE00)%YSIZE,
y = (y+dy+YSIZE00) % YSIZE,
YSIZE00) % YSIZE;
y = (obj->posy+dy+YSIZE00)%YSIZE,
y = (y+dy+YSIZE00) % YSIZE, x = (x+dx+XSIZE00) % XSIZE, size--) {