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PROGRAM TO EXCHANGE THE CONTENT OF AL AND AH REGISTERS WITHOUT USING XCHG INSTRUCTION

Posted By: Griselda Miller     Category: Assembly Language     Views: 5922

WRITE A PROGRAM TO EXCHANGE THE CONTENT OF AL AND AH REGISTERS WITHOUT USING XCHG INSTRUCTION.

Code for PROGRAM TO EXCHANGE THE CONTENT OF AL AND AH REGISTERS WITHOUT USING XCHG INSTRUCTION in Assembly Language

DATA SEGMENT
DATA ENDS
CODE SEGMENT
         ASSUME DS:DATA,CS:CODE
START:
      MOV AX,DATA
      MOV DS,AX
      MOV AL,02
      MOV AH,09
      MOV BL,AL
      MOV AL,AH
      MOV AH,BL
      MOV AH,4CH
      INT 21
CODE ENDS
END START

;OUTPUT:->
;-R
;AX=0000  BX=0000  CX=0013  DX=0000  SP=0000  BP=0000  SI=0000  DI=0000
;DS=0B98  ES=0B98  SS=0BA8  CS=0BA8  IP=0000   NV UP EI PL NZ NA PO NC
;0BA8:0000 B8A80B        MOV     AX,0BA8
;-T
;
;AX=0BA8  BX=0000  CX=0013  DX=0000  SP=0000  BP=0000  SI=0000  DI=0000
;DS=0B98  ES=0B98  SS=0BA8  CS=0BA8  IP=0003   NV UP EI PL NZ NA PO NC
;0BA8:0003 8ED8          MOV     DS,AX
;-T
;
;AX=0BA8  BX=0000  CX=0013  DX=0000  SP=0000  BP=0000  SI=0000  DI=0000
;DS=0BA8  ES=0B98  SS=0BA8  CS=0BA8  IP=0005   NV UP EI PL NZ NA PO NC
;0BA8:0005 B002          MOV     AL,02
;-T
;
;AX=0B02  BX=0000  CX=0013  DX=0000  SP=0000  BP=0000  SI=0000  DI=0000
;DS=0BA8  ES=0B98  SS=0BA8  CS=0BA8  IP=0007   NV UP EI PL NZ NA PO NC
;0BA8:0007 B409          MOV     AH,09
;-T
;
;AX=0902  BX=0000  CX=0013  DX=0000  SP=0000  BP=0000  SI=0000  DI=0000
;DS=0BA8  ES=0B98  SS=0BA8  CS=0BA8  IP=0009   NV UP EI PL NZ NA PO NC
;0BA8:0009 8AD8          MOV     BL,AL
;-T
;
;AX=0902  BX=0002  CX=0013  DX=0000  SP=0000  BP=0000  SI=0000  DI=0000
;DS=0BA8  ES=0B98  SS=0BA8  CS=0BA8  IP=000B   NV UP EI PL NZ NA PO NC
;0BA8:000B 8AC4          MOV     AL,AH
;-T
;
;AX=0909  BX=0002  CX=0013  DX=0000  SP=0000  BP=0000  SI=0000  DI=0000
;DS=0BA8  ES=0B98  SS=0BA8  CS=0BA8  IP=000D   NV UP EI PL NZ NA PO NC
;0BA8:000D 8AE3          MOV     AH,BL
;-T
;
;AX=0209  BX=0002  CX=0013  DX=0000  SP=0000  BP=0000  SI=0000  DI=0000
;DS=0BA8  ES=0B98  SS=0BA8  CS=0BA8  IP=000F   NV UP EI PL NZ NA PO NC
;0BA8:000F B44C          MOV     AH,4C
;-T
;
;AX=4C09  BX=0002  CX=0013  DX=0000  SP=0000  BP=0000  SI=0000  DI=0000
;DS=0BA8  ES=0B98  SS=0BA8  CS=0BA8  IP=0011   NV UP EI PL NZ NA PO NC
;0BA8:0011 CD15          INT     15

  
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Griselda Miller
Griselda Miller author of PROGRAM TO EXCHANGE THE CONTENT OF AL AND AH REGISTERS WITHOUT USING XCHG INSTRUCTION is from Frankfurt, Germany.
 
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