STREI START
       LD GR0,AD1
       LD GR1,AD2
       LD GR2,AD3
       LD GR3,AD4
       LD GR4,AD5
       LD GR5,AD6
       LD GR6,AD7
       LD GR7,AD8
       LD GR0,GR7
       LD GR1,GR6
       LD GR2,GR5
       LD GR4,GR4
       LD GR5,GR3
       LD GR6,GR2
       LD GR7,GR1
       LD GR1,AD8,GR1
       LD GR2,AD8,GR2
       LD GR3,AD8,GR3
       LD GR4,AD8,GR4
       RET
AD1    DC 3
AD2    DC 2
AD3    DC 1
AD4    DC 0
AD5    DC -1
AD6    DC -2
AD7    DC 7
AD8    DC 8
       DC 1
       DC 2
       DC 3
       DC 4
       DC 5
       DC 6
       DC 7
       DC 8
       DC 9
       DC 10
       DC 12
       END