Index: trunk/util/boxsym-rnd/generator.awk
===================================================================
--- trunk/util/boxsym-rnd/generator.awk	(revision 2859)
+++ trunk/util/boxsym-rnd/generator.awk	(revision 2860)
@@ -66,16 +66,8 @@
 # draw pins of a given slot:loc, with first pin touching the box at x0;y0
 # px and py are x and y dir for the pin line, stx and sty are stepping to
 # the next coord. State is stored in ST
-function draw_pins(slot, ALIGN, loc, x0, y0, stx, sty   ,ST,n,v,i,siden)
+function draw_pins_(slot, ALIGN, loc, stx, sty, ST, currslot   ,n,v,i,siden)
 {
-	if (slot == "") { # all slots
-		for(n = 0; n < nslots; n++)
-			draw_pins(SLOTS[n], ALIGN, loc, x0, y0, stx, sty, ST)
-	}
-
-	ST["x"] = x0 + ALIGN[loc, "x0"]
-	ST["y"] = y0 + ALIGN[loc, "y0"]
-
 	ST["pdir"] = loc
 	siden = 0
 	for(n = 0; n < SLOT[slot, "npins"]; n++) {
@@ -83,16 +75,16 @@
 		if (PIN[pin, "loc"] ==  loc) {
 			if (ALIGN["cfg", "expand_slot"]) {
 				v = split(PIN[pin, "num"], A, "[:]")
-				for(i = 1; i <= v; i++) {
-					draw_pin(pin, ST, i, A)
+				i = currslot
+				if (i > v) continue
+				draw_pin(pin, ST, i, A)
+				ST["x"] += stx
+				ST["y"] += sty
+				if ((ALIGN["midgap", loc] != "") && (siden == ALIGN["midgap", loc])) {
 					ST["x"] += stx
 					ST["y"] += sty
-					if ((ALIGN["midgap", loc] != "") && (siden == ALIGN["midgap", loc])) {
-						ST["x"] += stx
-						ST["y"] += sty
-					}
-					siden++
 				}
+				siden++
 			}
 			else {
 				draw_pin(pin, ST, "", A)
@@ -106,8 +98,31 @@
 			}
 		}
 	}
+	return siden
 }
 
+function draw_pins(slot, ALIGN, loc, x0, y0, stx, sty,    ST,n,currslot)
+{
+	if (slot == "") { # all slots
+		for(n = 0; n < nslots; n++)
+			draw_pins(SLOTS[n], ALIGN, loc, x0, y0, stx, sty, ST)
+	}
+
+	ST["x"] = x0 + ALIGN[loc, "x0"]
+	ST["y"] = y0 + ALIGN[loc, "y0"]
+
+	if (ALIGN["cfg", "expand_slot"]) {
+# generate pins in a per slot fashion until slots run out (or at most 256 of them to avoid infinite loop)
+		for(currslot = 1; currslot <= 256; currslot++) {
+			if (draw_pins_(slot, ALIGN, loc, stx, sty, ST, currslot) == 0)
+				break
+		}
+	}
+	else
+		draw_pins_(slot, ALIGN, loc, stx, sty, ST, "")
+}
+
+
 function draw_all_pin(sn, ALIGN,     bw, bh)
 {
 	bw = ALIGN["box","width"]