A paper/imp launches imps rings from a paper to create a defensive warrior which can be difficult to beat. They tend to tie against most opponents but only claim a small number of wins. The first paper/imp was created by Paul Kline in August 1995.

Paper with Embedded Launch

Diehard-style paper/imp contains a simple imp launcher and is the earliest example of a paper/imp, created by Paul Kline in August 1995. The paper spawns off new copies leaving behind a trail of continuous imp launchers.

``````        step1  equ 4072
step2  equ 3144
istep  equ 2667           ; (CORESIZE+1)/3

spl    1                  ; 8 parallel processes
spl    1
spl    1

papera  spl    @0,         {step1
mov    }papera,    >papera
paperb  spl    step2,      {papera
mov    }papera,    }paperb

spl    0                  ; launcher
spl    imp+istep
spl    imp+istep*2
imp     mov.i  #1,         istep
``````

Jedimp-style paper/imps embed a standard vortex imp launcher in a paper. The paper spawns new copies leaving a trail of vortex launchers. The first example was created by John K Wilkinson in July 1996.

``````        step1  equ 1848
step2  equ 3024
istep  equ 1143           ; (CORESIZE+1)/7

spl    1                  ; 8 parallel processes
spl    1
spl    1

papera  spl    step1
mov    >papera,    }papera
paperb  spl    @0,         >step2
mov    }paperb,    >paperb

spl    0                  ; vortex launcher
launch  djn.f  imp-istep*8,<7723

imp     mov.i  #3,         istep
``````

Binary Launched Paper/Imp

A binary paper/imp launches a number of papers spaced evenly in memory. These work together to form imp rings. The first example of a binary launched paper/imp was demonstrated by Magnus Paulsson in October 1995.

``````        step1  equ 3205
step2  equ 375
istep  equ 2667           ; (CORESIZE+1)/3

spl    2                  ; 6 parallel processes
spl    1
spl    1
spl    boot

mov    {boot,    {ptr1
ptr1    jmp    papera-istep+6

boot    mov    papera+6, {ptr2
ptr2    spl    papera+istep+6

papera  spl    @0,       }step1
mov    }papera,  >papera
paperb  spl    step2,    {papera
mov    }papera,  }paperb
mov.i  #1,       {1       ; anti a-field imp bomb
imp     mov.i  #863,     istep
``````

Spiral Forming Steps

A paper with spiral forming steps spawns new copies at distances calculated to form imp rings by spacing some of the copies evenly in memory. An example of spiral forming steps was first published by Paul Kline in February 1996.

``````        step1  equ 435
step2  equ 845
step3  equ istep+1        ; (alternative step3 equ step2-istep)
istep  equ 2667           ; (CORESIZE+1)/3

spl    1                  ; 8 parallel processes
spl    1
spl    1

papera  spl    @0,       }step1
mov    }papera,  >papera
paperb  spl    @0,       }step2
mov    }paperb,  >paperb
paperc  spl    @0,       }step3
mov    }paperc,  >paperc
mov.i  #1,       {1       ; anti a-field imp bomb
imp     mov.i  #2502,    istep
``````

Silk-Imps

A paper with silk-imps passes imp-like instructions of the form `mov.i #-step*2,}step` to other copies of the paper spaced `step` cells apart. Paul Kline posted the first example of silk-imps in June 1996.

``````        step1  equ -888
step2  equ -1136
step3  equ 1488

spl    1                  ; 8 parallel processes
spl    1
spl    1

papera  spl    step1
mov    >papera,  }papera
paperb  spl    step2
mov    >paperb,  }paperb
paperc  spl    step3
mov    >paperc,  }paperc

mov.i  #-step1*2,}step1
mov.i  #-step2*2,}step2
mov.i  #-step3*2,}step3
``````

Example Paper/Imps

Firestorm, Maelstrom, For John, Dawn, Dawn 2, Devilstick, Mascafe and Burning Metal pair a paper/imp with an embedded vortex launch and a standard paper.

Return of the Jedimp and Chainlock v02a are paper/imps with an embedded vortex launch.

theMystery1.5, Night Train, Safety in Numbers, Blowrag, Silkworm and tiny Blowrag are examples of a binary launched paper/imp.

The Fugitive, Return of the Fugitive and Decoy Signal use spiral forming steps.

unheard-of and SilKing pair a paper/imp with spiral forming steps and a standard paper.

Die Hard is a paper/imp with a simple embedded imp launcher.

Defensive pairs a paper/imp with an embedded vortex launch and a paper/imp with silk-imps and spiral forming steps.

Cinammon is a binary launched paper/imp which also has silk-imps and spiral forming steps.

Golden Eye is a paper with a satellite launched stone and vortex launch.

Kosmos is a paper which alternates between two satellites: a stone and an imp launcher with spiral forming steps.

RetroQ, Fixed, Stylized Euphoria, pdQscan and Simplicity are examples of paper with silk-imps.