用汇编语言编写10个任意数相加求和的程序：
CODE SEGMENT
ASSUME CS:CODE
ORG 100H
START: PUSH CS
POP DS
PUSH CS
POP ES
CALL INPUTNUM
MOV AH,2
MOV DL,13
INT 21H
MOV DL,10
INT 21H
LEA SI,@ARRAY
MOV CX,@NUM
CLD
@1:
LODSW
add word ptr sum,ax
CALL DISPAXS
LOOP @1
MOV AH,2
MOV DL,13
INT 21H
MOV DL,10
INT 21H
mov ax,sum
call dispaxs
MOV AH,4CH
INT 21H
sum dw 0
;===============================================
; 键盘输入数值数组子程序（数组名为@array，元素个数存放在@num中）
; 可以是负数
INPUTNUM PROC NEAR
PUSH AX
PUSH BX
PUSH CX
PUSH DX
PUSH SI
PUSH DI
PUSHF
; 对数组@array清零
MOV CX,100
MOV AX,0
LEA DI,@ARRAY
REP STOSW
MOV WORD PTR @NUM,0
; 输入的数据以一个空格分隔，以回车符结束输入
LEA DX,@STRA
MOV AH,10
INT 21H
MOV CL,@STRN
MOV CH,0
MOV WORD PTR @STRM,CX
LEA SI,@STR
CLD
LEA DI,@ARRAY
MOV WORD PTR @NUM,0
@STIN:
MOV AX,0
PUSH AX
MOV BYTE PTR @SIGNN,0
@AGAIN1:
;MOV AH,1
;INT 21H
CMP WORD PTR @STRM,0
JE @LINE0
LODSB
DEC WORD PTR @STRM
; MOV BYTE PTR @CHAR,AL
; CMP AL,13
; JE @LINE0
CMP AL,' '
JE @LINE0
CMP AL,'-'
JNE @INPUT1
MOV BYTE PTR @SIGNN,1
JMP @AGAIN1
@INPUT1:
SUB AL,30H
MOV AH,0
MOV BX,AX
POP AX
MOV CL,10
MOV CH,0
MUL CX
ADD AX,BX
PUSH AX
JMP @AGAIN1
@LINE0:
POP AX
CMP BYTE PTR @SIGNN,1
JNE @INPUT2
NEG AX
@INPUT2:
MOV WORD PTR[DI],AX
INC WORD PTR @NUM
; CMP BYTE PTR @CHAR,13
CMP WORD PTR @STRM,0
JE @STINEND
INC DI
INC DI
JMP @STIN
@STINEND:
POPF
POP DI
POP SI
POP DX
POP CX
POP BX
POP AX
RET
@STRA DB 255
@STRN DB ?
@STR DB 255 DUP(?)
@STRM DW 0
@ARRAY DW 100 DUP(0)
@NUM DW 0
@CHAR DB ?
@SIGNN DB 0
INPUTNUM ENDP
;=========================================
; 将要显示的有符号数置于 ax 中
DISPAXS PROC NEAR
PUSH AX
PUSH BX
PUSH CX
PUSH DX
PUSH SI
PUSH DI
PUSH BP
PUSH DS
PUSH ES
PUSHF
PUSH CS
POP DS
PUSH CS
POP ES
MOV CX,6
LEA DI,DISPAXSS
@DISPAXS:
MOV BYTE PTR [DI],32
INC DI
LOOP @DISPAXS
PUSH AX
MOV DL,32
MOV AH,2
INT 21H
POP AX
MOV BYTE PTR NZS,0
MOV BYTE PTR SIGNS,0
CMP AX,0
JGE @DISPAXS0
MOV BYTE PTR SIGNS,1
NEG AX
@DISPAXS0:
PUSH AX
LEA SI,DIVARRS
LEA DI,DISPAXSS
INC DI
MOV CX,5
@DISPAXS1:
POP AX
MOV DX,0
MOV BX,[SI]
DIV BX
PUSH DX
CMP AL,0
JNE @DISPAXS2
CMP BYTE PTR NZS,1
JE @DISPAXS2
CMP CX,1
JE @DISPAXS2
MOV DL,20H
JMP @DISPAXS3
@DISPAXS2:
ADD AL,30H
MOV DL,AL
MOV BYTE PTR NZS,1
@DISPAXS3:
MOV BYTE PTR[DI],DL
INC SI
INC SI
INC DI
LOOP @DISPAXS1
POP DX
CMP BYTE PTR SIGNS,1
JNE @DISPAXS6
LEA SI,DISPAXSS
ADD SI,5
@DISPAXS4:
CMP BYTE PTR [SI],32
JE @DISPAXS5
DEC SI
JMP @DISPAXS4
@DISPAXS5:
MOV BYTE PTR [SI],'-'
@DISPAXS6:
LEA DX,DISPAXSS
MOV AH,9
INT 21H
POPF
POP ES
POP DS
POP BP
POP DI
POP SI
POP DX
POP CX
POP BX
POP AX
RET
DIVARRS DW 10000,1000,100,10,1
NZS DB 0
SIGNS DB 0
DISPAXSS DB 32,32,32,32,32,32,'$'
DISPAXS ENDP
;==================================
CODE ENDS
END START
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