gistfile1.txt

* = $6000
  LDA #0 
  LDX #0
 
zeropage_reset:
  STA *0,X
  INX
  CPX #$ff
  BEQ main:
  JMP zeropage_reset:

; clrX
  LDX #0

main:
  INC *0,X
  LDA *0,X
  CMP #$ff
  BEQ next:
  JMP main:

next:
  INX
  CPX #$ff
  BEQ end:
  JMP main:

end:
  NOP
  JMP end:
  
//Object code
A9 00 A2 00 95 00 E8 E0
FF F0 05 4C 04 60 A2 00
F6 00 B5 00 C9 FF F0 03
4C 10 60 E8 E0 FF F0 03
4C 10 60 EA 4C 23 60