exo3
Programme assembleur

Instruction             ; IP     ; AX    ; BX    ; FlagZ ; SP     ; STACK
Etat initial            ;   01 00;  00 00;  00 00;      0;   FF FE; 00 00 00 00 00 00
MOV AX, 0100h (B8 00 01);   01 03;  01 00;  00 00;      0;   FF FE; 00 00 00 00 00 00
MOV BX, 0304h (BB 04 03);   01 06;  01 00;  03 04;      0;   FF FE; 00 00 00 00 00 00
ADD AL, 1        (04 01);   01 08;  01 01;  03 04;      0;   FF FE; 00 00 00 00 00 00
CMP AL, 2        (3C 02);   01 0A;  01 01;  03 04;      0;   FF FE; 00 00 00 00 00 00
JNE Boucle       (75 FA);   01 06;  01 01;  03 04;      0;   FF FE; 00 00 00 00 00 00
ADD AL, 1        (04 01);   01 08;  01 02;  03 04;      0;   FF FE; 00 00 00 00 00 00
CMP AL, 2        (3C 02);   01 0A;  01 02;  03 04;      1;   FF FE; 00 00 00 00 00 00
JNE Boucle       (75 FA);   01 0C;  01 02;  03 04;      1;   FF FE; 00 00 00 00 00 00
PUSH AX             (50);   01 0D;  01 02;  03 04;      1;   FF FC; 00 00 01 02 00 00 
PUSH BX             (53);   01 0E;  01 02;  03 04;      1;   FF FA; 00 00 01 02 03 04


dans emu 8086
#fasm#
org  100h
    MOV AX,0100h
    MOV BX,0304h
Boucle: ADD AL,1
    CMP AL,2
JNE Boucle
    PUSH AX
    PUSH BX
ret

EXO3/2

@Instruction; Instruction ASM       ; IP   ; AX   ; BX   
            ;Etat initial           ; 01 00; 00 00; 00 00
01 00       ;MOV AX,3     (B8 03 00); 01 03; 00 03; 00 00
01 03		;DEC AX             (48); 01 04; 00 02; 00 00
01 04       ;MOV BX,AX       (8B D8); 01 06; 00 02; 00 02
01 06       ;DEC AX             (48); 01 07; 00 01; 00 02
01 07       ;ADD BX,AX       (03 D8); 01 09; 00 01; 00 03
01 09       ;CMP AX,0     (3D 00 00); 01 0C; 00 01; 00 03
01 0C       ;JNE Boucle      (75 F8); 01 06; 00 01; 00 03
01 06       ;DEC AX             (48); 01 07; 00 00; 00 03
01 07       ;ADD BX,AX       (03 D8); 01 09; 00 00; 00 03
01 09       ;CMP AX,0     (3D 00 00); 01 0C; 00 00; 00 03
01 0C       ;JNE Boucle      (75 F8); 01 0E; 00 00; 00 03
01 0E       ;RET                (C3); 01 0F; 00 00; 00 03

Dans emu8086:
#fasm#
org  0100h
    MOV AX,3
    DEC AX
    MOV BX,AX
Boucle: DEC AX
    ADD BX,AX
    CMP AX,0
JNE Boucle
ret

Exo supplémentaire:
Additionner 36 et 15
->D'abord placer 40 dans AX
->Décrementer jusqu'a 36
->Placer 10 dans BX
->Incrementer jusqua 15
->Ajouter BX a AX
->Push AX

Resultat:

#fasm#
org  0100h
	MOV AX,40
	decA: DEC AX
		CMP AX,36
	JNE decA
	MOV BX,10
	incB:INC BX
		CMP BX,15
	JNE incB
	PUSH AX
	PUSH BX
	POP AX
	POP BX
	ADD AX,BX
	PUSH AX
ret