INICIALIZANDO A MEMÓRIA

MOV AL,30
MOV SI,800
MOV CX,A
MOV [SI],AL	108
INC SI
LOOP 108
MOV SI,810
MOV CX,A
MOV [SI],AL	113
INC SI
LOOP 113

LIMPANDO A TELA

MOV AH,0F
INT 10
MOV AH,2
MOV DX,0
INT 10
MOV AH,0E
MOV AL,0
MOV CX,7D0
INT 10		12A
LOOP 12A

PREPARANDO A TELA, LINHA 1

MOV AH,2
MOV DH,C
MOV DL,23
INT 10
MOV SI,800
MOV CX,A
MOV AH,0E
MOV AL,[SI]	13E
INT 10
INC SI
LOOP 13E

PREPARANDO A TELA, LINHA 2

MOV AH,2
MOV DH,D
MOV DL,23
INT 10
MOV SI,810
MOV CX,A
MOV AH,0E
MOV AL,[SI]	155
INT 10
INC SI
LOOP 155

PREPARANDO A TELA, LINHA 3

MOV AH,2
MOV DH,E
MOV DL,23
INT 10
MOV CX,A
MOV AH,0E
MOV AL,3D
INT 10		16B
LOOP 16B

LER NÚMEROS DA LINHA 1

MOV AH,2	16F
MOV DH,C
MOV DL,2C
INT 10
MOV AH,0
INT 16

CMP AL,2B
JZ 1B4		17D
CMP AL,2D
JZ 1B4		181
CMP AL,30
JC 16F
CMP AL,3A
JNC 16F

MOV SI,800	18B
MOV CX,9
MOV DL,[SI+1]	191
MOV [SI],DL
INC SI
LOOP 191
MOV [SI],AL
MOV AH,2
MOV DH,C
MOV DL,23
INT 10
MOV SI,800
MOV CX,A
MOV AH,0E
MOV AL,[SI]	1AB
INT 10
INC SI
LOOP 1AB
JMP 16F

LER NÚMEROS DA LINHA 2

MOV SI,830
MOV [SI],AL
MOV AH,2
MOV DH,D
MOV DL,21
INT 10
MOV AH,0E
INT 10

MOV AH,2	1C5
MOV DH,D
MOV DL,2C
INT 10
MOV AH,0
INT 16

CMP AL,3D
JZ 206		1D3
CMP AL,30
JC 1C5
CMP AL,3A
JNC 1C5

MOV SI,810
MOV CX,9
MOV DL,[SI+1]	1E3
MOV [SI],DL
INC SI
LOOP 1E3
MOV [SI],AL
MOV AH,2
MOV DH,D
MOV DL,23
INT 10
MOV SI,810
MOV CX,A
MOV AH,0E
MOV AL,[SI]	1FD
INT 10
INC SI
LOOP 1FD
JMP 1C5

TESTAR OPERAÇÃO

MOV AL,[830]
CMP AL,2D
JZ 226		20B

SOMA

MOV CX,A
MOV SI,809
MOV AL,[SI]
MOV AH,[SI-1]	215
ADD AL,[SI+10]
AAA
MOV [SI+20],AL
MOV AL,AH
DEC SI
LOOP 215
JMP 23D		224

SUBTRAÇÃO

MOV CX,A
MOV SI,809
MOV AL,[SI]
MOV AH,[SI-1]	22E
SUB AL,[SI+10]
AAS
MOV [SI+20],AL
MOV AL,AH
DEC SI
LOOP 22E

IMPRIMINDO O RESULTADO

MOV CX,A
MOV SI,820
MOV DL,30
ADD [SI],DL
INC SI
LOOP 245
MOV AH,2
MOV DH,F
MOV DL,22
INT 10
CMP AL,1
JNZ 25C		254
MOV AH,0E
ADD AL,30
INT 10
MOV AH,2	25C
MOV DH,F
MOV DL,23
INT 10
MOV SI,820
MOV CX,A
MOV AH,0E
MOV AL,[SI]	26C
INT 10
INC SI
LOOP 26C
MOV AH,2
MOV DH,19
MOV DL,0
INT 10
INT 20		27B