Sputnik is a paper with satellite clear which entered the KOTH.org 94nop hill on 25th November 2015 and survived 59 challenges before being pushed off on 26th January 2016.

;name Sputnik
;author John Metcalf
;strategy qscan -> paper with satellite
;assert CORESIZE==8000

        org    qscan

        step   equ 3416
        dist   equ 1234
        bpos   equ satel+4-dist+1

sputnik spl    1,        <1000    ; 4 parallel processes
        spl    1,        <2000

        mov    <boot,    {boot
boot    jmp    bpos,     paper+4

paper   spl    step
        mov    >paper,   }paper
        mov    <launch,  {launch
launch  djn.f  step+dist,{dist

satel   spl    #100,     <2
        mov.i  #1,       <1
        djn    satel,    #1000

        for    59
        dat    0,        0

        qfac   equ 369
        qdec   equ 3730 ; qdec = (1+qfac^-1) mod 8000

        qa     equ (qfac*(qtab0-1-qptr)+1)
        qb     equ (qfac*(qtab0-qptr)+1)
        qc     equ (qfac*(qtab1-1-qptr)+1)
        qd     equ (qfac*(qtab1-qptr)+1)
        qe     equ (qfac*(qtab1+1-qptr)+1)
        qf     equ (qfac*(qtab2-qptr)+1)

        qtime  equ 18
        qstep  equ -7
        qgap   equ 87

qdecode mul.b  *q1,          qptr
q0      sne    <qtab0,       @qptr
q1      add.b  qtab1,        qptr
q2      mov    qtab2,        @qptr
qptr    mov    qtab2,        *qdec
        add    #qstep,       qptr
        djn    q2,           #qtime
        jmp    sputnik,      qc
qtab1   dat    4000,         qd
        dat    4000,         qe

qscan   sne    qptr+qdec*qe, qptr+qdec*qe+qe
        seq    <qtab1+1,     qptr+qdec*(qe-1)+qe-1
        jmp    qdecode,      }q1
        sne    qptr+qdec*qb, qptr+qdec*qb+qd
        seq    <qtab0,       qptr+qdec*(qb-1)+qd
        jmp    qdecode,      {qdecode
        sne    qptr+qdec*qa, qptr+qdec*qa+qd
        seq    <qtab0-1,     qptr+qdec*(qa-1)+qd
        djn.a  qdecode,      {qdecode
        sne    qptr+qdec*qf, qptr+qdec*qf+qd
        seq    <qtab2,       qptr+qdec*(qf-1)+qd
        jmp    qdecode,      }qdecode
        sne    qptr+qdec*qc, qptr+qdec*qc+qc
        seq    <qtab1-1,     qptr+qdec*(qc-1)+qc-1
        jmp    qdecode,      {q1
        sne    qptr+qdec*qd, qptr+qdec*qd+qd
        seq    <qtab1,       qptr+qdec*(qd-1)+qd-1
        jmp    qdecode,      qa
qtab0   jmp    sputnik,      qb
qtab2   dat    qgap,         qf