;redcode-94nop
;name Bottomless Pit
;author Roy/Fizmo
;strategy The pit was found after a leap in the dark
;assert 1

zero    equ     qbomb

qtab3   equ     qbomb
qbomb   dat     >qoff           , >qc2
        dat     0               , 0

        dat     0               , <qb1
qtab2   dat     0               , <qb2
        dat     0               , <qb3

sOff    equ  2351
sStep   equ  1605


pGo     add.f  sTab,     @p
        sne    *sLook,   @sLook
        add.f  sTab,     @p
sLook   sne    sOff+10,  sOff
        djn.f  pGo,      <6431
        add.ab #-25,     sLook
p       mov    <burger,  <sLook
        djn    -1,       #9
        add.ab #5,       sLook
        jmp    @sLook,   <sLook
sTab    dat    #sStep,   <sStep

        dat     0               , 0
        dat    zero-1           , qa1
qtab1   dat    zero-1           , qa2

for     35
        dat     0               , 0
rof

gate    dat    4009,     18
jumper  jmp    4009,     18
        dat    0,        0
        dat    0,        0
        jmp    -400,     <2667
clear   spl    #4600,    18
        mov    @switch,  >gate
        mov    jumper,   }gate
switch  djn    clear+1,  {clear

burger  dat    0,        0
        dat    0,        0

qc2     equ ((1+(qtab3-qptr)*qy)%CORESIZE)
qb1     equ ((1+(qtab2-1-qptr)*qy)%CORESIZE)
qb2     equ ((1+(qtab2-qptr)*qy)%CORESIZE)
qb3     equ ((1+(qtab2+1-qptr)*qy)%CORESIZE)
qa1     equ ((1+(qtab1-1-qptr)*qy)%CORESIZE)
qa2     equ ((1+(qtab1-qptr)*qy)%CORESIZE)
qz      equ 2108
qy      equ 243         ;qy*(qz-1)=1


;q0 mutation
qgo     sne     qptr+qz*qc2     , qptr+qz*qc2+qb2
        seq     <qtab3          , qptr+qz*(qc2-1)+qb2
        jmp     q0              , }q0
        sne     qptr+qz*qa2     , qptr+qz*qa2+qb2
        seq     <qtab1          , qptr+qz*(qa2-1)+qb2
        jmp     q0              , {q0
        sne     qptr+qz*qa1     , qptr+qz*qa1+qb2
        seq     <(qtab1-1)      , qptr+qz*(qa1-1)+qb2
        djn.a   q0              , {q0
                                        ;q1 mutation
        sne     qptr+qz*qb3     , qptr+qz*qb3+qb3
        seq     <(qtab2+1)      , qptr+qz*(qb3-1)+(qb3-1)
        jmp     q0              , }q1
        sne     qptr+qz*qb1     , qptr+qz*qb1+qb1
        seq     <(qtab2-1)      , qptr+qz*(qb1-1)+(qb1-1)
        jmp     q0              , {q1

        sne     qptr+qz*qb2     , qptr+qz*qb2+qb2
        seq     <qtab2          , qptr+qz*(qb2-1)+(qb2-1)
        jmp     q0
                                        ;qz mutation
        seq     >qptr           , qptr+qz+(qb2-1)
        jmp     q2              , <qptr
                                        ;q0 mutation
        seq     qptr+(qz+1)*(qc2-1),qptr+(qz+1)*(qc2-1)+(qb2-1)
        jmp     q0              , }q0
        seq     qptr+(qz+1)*(qa2-1),qptr+(qz+1)*(qa2-1)+(qb2-1)
        jmp     q0              , {q0
        seq     qptr+(qz+1)*(qa1-1),qptr+(qz+1)*(qa1-1)+(qb2-1)
        djn.a   q0              , {q0
        jmz.f   pGo             , qptr+(qz+1)*(qb2-1)+(qb2-1)

qoff    equ     -86
qstep   equ     -7
qtime   equ     19

q0      mul.b   *2              , qptr
q2      sne     {qtab1          , @qptr
q1      add.b   qtab2           , qptr
        mov     qtab3           , @qptr
qptr    mov     qbomb           , }qz
        sub     #qstep          , qptr
        djn     -3              , #qtime
        djn.f   pGo             , #0
end qgo