--- /dev/null
+/
+/ VERSION 5A 4-27-77 PT
+/
+ SECT DIM
+ ENTRY IDIM
+ JA #ST
+#XR, ORG .+10
+#BASE, ORG .+3
+A, ORG .+3
+B, ORG .+3
+ BASE #BASE
+IDIM,
+#ST, STARTD
+ 0210
+ FSTA #RTN,0
+ 0200
+ SETX #XR
+ SETB #BASE
+ LDX 0,1
+ FSTA #BASE
+ FLDA% #BASE,1+
+ FSTA A
+ FLDA% #BASE,1+
+ FSTA B
+ STARTF
+ FLDA% A
+ FSUB% B
+ JGE #RTN
+ FCLA
+#RTN, JA .
+ END
+\f