12000
12000
-2
2  main: ldy #0
4 psync: bit tapein
2        bmi psync
2 ploop: iny
4        bit tapein
3        bpl ploop
2 ploop: iny
4        bit tapein
3        bpl ploop
2 ploop: iny
4        bit tapein
3        bpl ploop
2 ploop: iny
4        bit tapein
3        bpl ploop
2 ploop: iny
4        bit tapein
2        bpl ploop
2        cpy #$40 
2        bpl endcode
2        cpy #$15
2        bpl main
2        cpy #$07
7 store: rol nnnn,x
2        asl
2        bne main
2        lda #1
2        inx
2        bne main
6        inc store+2
3        jmp main