8086汇编常用子程序集(未完)

输出回车换行
CRLF PROC 
MOV DL, 0DH
MOV AH, 2
INT 21H 
MOV DL, 0AH 
MOV AH, 2
INT 21H 
RET 
CRLF ENDP

输出空格
WHITESPACE PROC
MOV DL, 20H 
MOV AH, 2
INT 21H 
RET 
WHITESPACE ENDP

显示字符串（字符串的首地址ds:dx）
PROMPT PROC 
MOV AH, 9 
INT 21H 
RET 
PROMPT ENDP

十进制的输出（把要输出的十进制数字放到BX，定义一个临时变量NOZERO）(可显示0~65535)
PUTOUTDEC PROC
PUSH CX
MOV NOZERO, 0
MOV CX, 10000
CALL MAIN 
MOV CX, 1000
CALL MAIN 
MOV CX, 100 
CALL MAIN 
MOV CX, 10 
CALL MAIN 
MOV CX, 1 
CALL MAIN 
CMP NOZERO, 0 
JNE LL
MOV DL, 30H 
MOV AH, 2 
INT 21H 
LL: POP CX 
RET

MAIN PROC 
MOV AX, BX 
MOV DX, 0 
DIV CX
MOV BX, DX
MOV DL, AL 
CMP DL, 0 
JNE LL1 
CMP NOZERO, 0
JNE LL1 
JMP LL2 
LL1：MOV NOZEO, 1 
ADD DL, 30H 
MOV AH, 2
INT 21H 
LL2：RET 
MAIN ENDP
PUTOUTDEC ENDP

十六进制的输出, 把要显示的数字放到BX中（0~FFFF）(定义来那个临时变量TEMP, TEMP1)
PUTOUTHEX PROC 
PUSH CX 
MOV TEMP, BX 
MOV TEMP1， BX
MOV CL, 8 
SHR TEMP, CL 
MOV BX, TEMP
CALL MAIN1 
AND TEMP1， 00FFH 
MOV BX, TEMP1 
POP CX 
RET 

MAIN1 PROC 
MOV AL, BL 
MOV CL, 4 
SHR AL, CL 
CMP AL, 10 
JB KK
ADD AL, 7 
KK: MOV DL, AL 
CMP DL, 0 
JE KK2 
ADD DL, 30H 
MOV AH, 2 
INT 21H 
AND BL, 0FH 
KK2：CMP BL, 10 
JB KK1 
ADD BL, 7 
KK1： MOV DL, BL 
ADD DL, 30H 
MOV AH, 2 
RET 
MAIN1 ENDP 
PUTOUTHEX ENDP