)t+=flag&4; /* fake capt. for nonsliding*/\r
else if(flag&64)t=flag&128?0:t,flag&=63;else F=y; /* enable e.p. */\r
if(s&&flag&8&&!(y=rg&1?y-r:y,t=0) /* hoppers go to next phase */\r
- ||!(flag&S)&&--rg<0) /* zig-zag piece? (w. delay)*/\r
+ ||!(flag&S)&&!rg--) /* zig-zag piece? (w. delay)*/\r
r=v,flag^=flag>>4&15; /* alternate vector & mode */\r
}W(!t); /* if not capt. continue ray*/\r
}}\r
GT = (Side == WHITE ? piecetype : blacktype)[line[4]&31];\r
if(GT) PromPiece = (Side == WHITE ? 7 : 7+pm) - GT, GT |= 32 + Side;\r
{char *c=line; K=c[0]-16*c[1]+799;L=c[2]-16*c[3]+799; }\r
- if(w[GT&15] == -1) L = S; // spoil move for promotion to King\r
+ if(w[GT&15] == -1 || w[GT&15]%10 == 3) L = S; // spoil move for promotion to King (or when marked non-promoting)\r
if (m & line[1] != '@')\r
/* doesn't have move syntax */\r
printf("Error (unknown command): %s\n", command);\r