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