DATA SEGMENT
A DB 10
B DB 10
DATA ENDS
CODE SEGMENT
         ASSUME DS:DATA,CS:CODE
START:
        MOV AX,DATA
        MOV DS,AX
        MOV BL,B
        CMP BL,A
        JNZ L1
        MOV AH,00
        MOV AL,A
        JMP L2
   L1:  MOV AH,A
        MOV AL,B
   L2:  MOV AH,4CH
        INT 21
CODE ENDS
END START

;OUTPUT:->
; R
;AX=0000  BX=0000  CX=0032  DX=0000  SP=0000  BP=0000  SI=0000  DI=0000
;DS=0BE4  ES=0BE4  SS=0BF4  CS=0BF5  IP=0000   NV UP EI PL NZ NA PO NC
;0BF5:0000 B8F40B        MOV     AX,0BF4
;-T
;
;AX=0BF4  BX=0000  CX=0032  DX=0000  SP=0000  BP=0000  SI=0000  DI=0000
;DS=0BE4  ES=0BE4  SS=0BF4  CS=0BF5  IP=0003   NV UP EI PL NZ NA PO NC
;0BF5:0003 8ED8          MOV     DS,AX
;-T
;
;AX=0BF4  BX=0000  CX=0032  DX=0000  SP=0000  BP=0000  SI=0000  DI=0000
;DS=0BF4  ES=0BE4  SS=0BF4  CS=0BF5  IP=0005   NV UP EI PL NZ NA PO NC
;0BF5:0005 8A1E0100      MOV     BL,[0001]                          DS:0001=0A
;-T
;
;AX=0BF4  BX=000A  CX=0032  DX=0000  SP=0000  BP=0000  SI=0000  DI=0000
;DS=0BF4  ES=0BE4  SS=0BF4  CS=0BF5  IP=0009   NV UP EI PL NZ NA PO NC
;0BF5:0009 3A1E0000      CMP     BL,[0000]                          DS:0000=0A
;-T
;
;AX=0BF4  BX=000A  CX=0032  DX=0000  SP=0000  BP=0000  SI=0000  DI=0000
;DS=0BF4  ES=0BE4  SS=0BF4  CS=0BF5  IP=000D   NV UP EI PL ZR NA PE NC
;0BF5:000D 7508          JNZ     0017
;-T
;
;AX=0BF4  BX=000A  CX=0032  DX=0000  SP=0000  BP=0000  SI=0000  DI=0000
;DS=0BF4  ES=0BE4  SS=0BF4  CS=0BF5  IP=000F   NV UP EI PL ZR NA PE NC
;0BF5:000F B400          MOV     AH,00
;-T
;
;AX=00F4  BX=000A  CX=0032  DX=0000  SP=0000  BP=0000  SI=0000  DI=0000
;DS=0BF4  ES=0BE4  SS=0BF4  CS=0BF5  IP=0011   NV UP EI PL ZR NA PE NC
;0BF5:0011 A00000        MOV     AL,[0000]                          DS:0000=0A
;-T
;
;AX=000A  BX=000A  CX=0032  DX=0000  SP=0000  BP=0000  SI=0000  DI=0000
;DS=0BF4  ES=0BE4  SS=0BF4  CS=0BF5  IP=0014   NV UP EI PL ZR NA PE NC
;0BF5:0014 EB08          JMP     001E
;-T
;
;AX=000A  BX=000A  CX=0032  DX=0000  SP=0000  BP=0000  SI=0000  DI=0000
;DS=0BF4  ES=0BE4  SS=0BF4  CS=0BF5  IP=001E   NV UP EI PL ZR NA PE NC
;0BF5:001E B44C          MOV     AH,4C
;-T
;
;AX=4C0A  BX=000A  CX=0032  DX=0000  SP=0000  BP=0000  SI=0000  DI=0000
;DS=0BF4  ES=0BE4  SS=0BF4  CS=0BF5  IP=0020   NV UP EI PL ZR NA PE NC
;0BF5:0020 CD15          INT     15