ASSIGNMENT 10

.global hasAOne
  hasAOne:
  cpse r24, r1
  ldi r24, 1
  sbrs r24, 0
  ldi r24, 0
  ret

.global byteToAscii
  byteToAscii:
  ldi r22, 48
  add r24, r22
  ret


.global int8ToInt
  int8ToInt:
  ldi r25, 127  //pushing the byte all the way to max possible value
  sub r25, r24   //subtracting input from the max value
  sbc r25, r25 //now subtracting will back fill with zeros (essentially unduing the lbi r25, 127) but replacing with 0's
  ret


.global addInt8ToInt
  addInt8ToInt:
  call int8ToInt
  add r24, r22  //
  adc r25,r23   //signed value
  ret



.global add4Int8
add4Int8:
  call int8ToInt
  mov r00,r22
  mov r22,r24
  mov r23,r25
  mov r24,r00
  call addInt8ToInt
  mov r00,r20
  mov r22,r24
  mov r23,r25
  mov r24,r00
  call addInt8ToInt
  mov r00,r18
  mov r22,r24
  mov r23,r25
  mov r24,r00
  call addInt8ToInt
  ret



.global average
  average:
  add r24, r22
  ror r24
  ret