--- /dev/null
+MAIN START
+ LD GR1,XMIN
+LOOPX CPL GR1,XMAX
+ JPL FIN
+ OUT SEP,SLEN
+ CALL OUTL
+ OUT SEP,SLEN
+ LD GR2,YMIN
+LOOPY CPL GR2,YMAX
+ JPL XNEXT
+ CALL MULL
+ PUSH 0,GR1
+ LD GR1,GR0
+ CALL OUTL
+ POP GR1
+ LAD GR2,1,GR2
+ JUMP LOOPY
+XNEXT LAD GR1,1,GR1
+ JUMP LOOPX
+FIN RET
+XMIN DC 0
+XMAX DC 19
+YMIN DC 0
+YMAX DC 19
+SEP DC '--------------------'
+SLEN DC 20
+ END