if(*(a+j)>*(a+j+1)) { temp=*a(a+j); *(a+j)=*(a+j+1); *(a+j+1)=temp; }//fill in p

Question

if(*(a+j)>*(a+j+1)) { temp=*a(a+j); *(a+j)=*(a+j+1); *(a+j+1)=temp; }//fill in pep 8 code below that will implement this swap

    br   main

n: .equate 14 ;counte limit fo the nested limit

a: .word 5    ;begin array storage

   .word 4   

   .word 6

   .word 7

   .word 8

   .word 2

   .word 4

   .word 3

i: .block 2   ;counter index variable 'i'

j: .block 2   ;counter index variable 'j'

temp: .block 2 ;tempory storage for swap

;main stats here

;start by outputting original array

main: stro  str1,d

      ldx   0x0000,i

outlp1: deco a,x

        charo " ",i

        addx  0x0002,i

       cpx    n,i

      brle    outlp1

;bubble sort nested loop

       lda 0x0000,i

       sta i,d       ;initialize 'i'

ag1:   lda 0x0000,i

       sta j,d        ;initialize 'j'

ag2:   ldx j,d       ;use inner loop to compare a[j] with a[j+1]

       lda a,x       ;using indexed addressing, a-reg contains a[j]

       addx 2,i

       cpa a,x       ;compares a-reg with a[j+1]

       brle noswap   ;if a[j]<=a[j+1], noswap

;fill in code to swap a[j] and a[j+1]

;update the loop counter variables

noswap: ldx j,d       ;inner loop count check

        addx 0x0002,i ;j++

        stx  j,d

        cpx  n,i

        brlt ag2

        ldx  i,d   ;outer loop count check

        addx 0x0000,i ;i++

        stx  i,d

        cpx  n,i

        brlt ag1

;now output the sorted array

       stro str2,d

       ldx  0x0000,i

outlp2: deco a,x

       charo " ",i

       addx  0x0002,i

       cpx   n,i

       brle  outlp2

       stop

str1:  .ascii "original array: "

str2:  .ascii "sorted array: "

.end

Explanation / Answer

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