IDA is the most powerful disassembler available for the 6803 microcontroller family.
Assembler code
RAM:0098 fcb 3
RAM:0099 fcb $E8 ; è
RAM:009A fcb $C8 ; È
RAM:009B fcb 0
RAM:009C ; ---------------------------------------------------------------------------
RAM:009C eorb #$FF
RAM:009E eorb byte_64
RAM:00A1 eorb 0,x
RAM:00A3 eorb $FF,x
RAM:00A5 eorb byte_3E8
RAM:00A8 ldaa #0
RAM:00AA ldaa #$FF
RAM:00AC ldaa byte_64
RAM:00AF ldaa 0,x
RAM:00B1 ldaa $FF,x
RAM:00B3 ldaa byte_3E8
RAM:00B6 ldab #0
RAM:00B8 ldab #$FF
RAM:00BA ldab byte_64
RAM:00BD ldab 0,x
RAM:00BF ldab $FF,x
RAM:00C1 ldab byte_3E8
RAM:00C4 oraa #0
RAM:00C6 oraa #$FF
RAM:00C8 oraa byte_64
RAM:00CB oraa 0,x
RAM:00CD oraa $FF,x
RAM:00CF oraa byte_3E8
RAM:00D2 orab #0
RAM:00D4 orab #$FF
RAM:00D6 orab byte_64
RAM:00D9 orab 0,x
RAM:00DB orab $FF,x
RAM:00DD orab byte_3E8
RAM:00E0 staa byte_64