Moved illegal square test out of for loop. Saves 3 bytes.

Daniel White · Daniel White · commit e4a61c86e7c9 · 2015-02-08T20:40:17.000Z
diff --git a/iota.c b/iota.c
@@ -15,9 +15,9 @@ D(x, y, p, e) {
 	int f=0,t, i, d, m, v, b;
 	F ;f<128;f=f+9&~8) { // Loop over squares looking for pieces.
 		F i=T[(m=B[f])&7]-35,d=0;d<0 || (d=T[i++]-35);d=-d) { // Loop over move steps for this piece.
-			F t=f;!((t+=d)&(b=136)) && m&S;) { // Loop over destination squares in this direction.
-				// Friendly capture?
-				I (v=B[t])&S K
+			F t=f;m&S;) { // Loop over destination squares in this direction.
+				// Illegal square or friendly capture?
+				I (t+=d)&(b=136) || (v=B[t])&S K
 
 				// Special pawn logic.
 				I m%8==2)
