int x,y,x1,y1,x2,y2;
main () {
 y2 = 5;
 /* Lasketaan y:=y1+(y2-y1)/(x2-x1)*(x-x1)                               */
 asm MOV  AX,y2     /*                                                   */
 asm MOV  BX,y1     /*                                                   */
 asm SUB  AX,BX   ; /* AX:=(y2-y1)                                       */
 asm MOV  DX,x      /*                                                   */
 asm MOV  DI,x1     /*                                                   */
 asm SUB  DX,DI   ; /* DX:=(x-x1)                                        */
 asm MOV  CX,x2     /*                                                   */
 asm SUB  CX,DI   ; /* CX:=(x2-x1)                                       */
 asm IMUL DX      ; /* DX AX := (y2-y1)*(x-x1)                           */
 asm IDIV CX      ; /* AX    := (y2-y1)*(x-x1)/(x2-x1)                   */
 asm ADD  AX,BX   ; /* AX    := (y2-y1)*(x-x1)/(x2-x1) + y1              */
 asm MOV  y,AX    ; /* Janan y-koordinaatti paikalleen                   */
}