org   $1000
         clc
         xce
         sep   #$ff
         jsr   L1100
         jsr   L1107
         jmp   L2000

         org   $1100
L1100    bit   L1100
L1103    lda   #$11
         ldx   #$11
L1107    ldy   #$11
         per   L1103
         bra   L1103

         org   $1100
:L1100_0 bit   :L1100_0
         lda   #$22
:L1105   ldx   #$22
         ldy   #$22
         per   :L1105
         jmp   :L1105

         org   $1100
:L1100_1 bit   :L1100_1
         lda   #$33
         ldx   #$33
:L1107_0 ldy   #$33
         per   :L1107_0
         bra   :L1107_0

         org   $2000
L2000    bit   L2000
         beq   $2018
         bra   :L2020

         org   $2020
:L2020   bit   :L2020
         beq   $2029
         brl   :L2080

:offend  nop
         org   $2080
:L2080   bit   :L2080
         lda   :offend
         jsr   :offend
         lda   $2029
         jsr   $2029
         lda   :L2080-1
         jsr   :L2080-1
         lda   :L2080
         jsr   :L2080
         lda   $00
         beq   :L2100
         dfb   $ad

         org   $2100
:L2100   nop
         nop
         jmp   :L3000

         org   $2800
         dfb   $00
         dfb   $28
         ds    14
         org   $2820
         ds    18

         org   $3000
:L3000   bit   :L3000
         lda   #$44
         ldx   #$44
         ldy   #$44
         brl   :fwd

:ulabel  dfb   $00
         dfb   $01
         org   $3100
         dfb   $02

:fwd     bit   :fwd
         lda   :ulabel
         lda   :ulabel+1
         lda   $300e
         lda   $300f
         lda   :fwd-1
         beq   :L3182
         dfb   $ea
         dfb   $ea
         org   $3180
         dfb   $00
         dfb   $01

:L3182   bit   :L3182
         lda   :label1
         lda   :label1+1
         lda   :label1+112
         bra   :L3200

:label1  dfb   $ea
         dfb   $ea

         org   $3200
:L3200   bit   :L3200
         dfb   $00
         dfb   $01