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Task/Sorting-algorithms-Bubble-sort/X86-Assembly/sorting-algorithms-bubble-sort.x86

@@ -0,0 +1,30 @@
+        .model  tiny
+        .code
+        .486
+        org     100h
+start:  mov     si, offset array
+        mov     ax, 40          ;length of array (not including $)
+        call    bsort
+        mov     dx, si          ;point to array
+        mov     ah, 09h         ;display it as a string
+        int     21h
+        ret
+array   db      "Pack my box with five dozen liquor jugs.$"
+
+;Bubble sort: si = array addrsss, ax = number of bytes
+bsort:  pusha
+        xchg    cx, ax          ;get size of array N
+        dec     cx              ;for J:= N-1 downto 0
+bs10:   xor     bx, bx          ;for I:= 0 to J-1
+bs20:   mov     ax, [bx+si]
+        cmp     al, ah          ;if A(I) > A(I+1) then
+        jbe     bs30
+         xchg   al, ah          ; swap bytes
+         mov    [bx+si], ax
+bs30:   inc     bx              ;next I
+        cmp     bx, cx
+        jb      bs20
+        loop    bs10
+        popa
+        ret
+        end     start