汇编语言小程序
- 1、下载文档前请自行甄别文档内容的完整性，平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益，请联系客服反馈,我们会尽快为您处理(人工客服工作时间：9:00-18:30)。
16进制转化为10进制STACK SEGMENT STACK'STACK'
DW100H DUP(?)
TOP LABEL WORD
STACK ENDS
DATA SEGMENT
KEYBUFFER DB100
;DB ?
;DB 100 DUP(?)
DECIMAL DB 5 DUP(?)
STRING1 DB'PLEASE INPUT DECIMAL DATA:$' DATA ENDS
CODE SEGMENT
ASSUME CS:CODE,DS:DATA,ES:DATA,CS:STACK START:
MOV AX,DATA
MOV DS,AX
MOV ES,AX
MOV SS,AX
LEA SP,TOP
LEA DX,STRING1
MOV AH,09H
INT 21H
MOV AH,0AH
LEA DX,KEYBUFFER
;MOV AX,23456
INT 21H
;LEA SI,KEYBUFFER
MOV AX,DX
LEA DI,DECIMAL
CALL DISPAX
MOV AH,4CH
MOV AL,0
INT 21H
DISPAX PROC NEAR
PUSH AX
PUSH BX
PUSH CX
PUSH DX
PUSH DI
LEA DI,DECIMAL
CALL TRANS16TO10
MOV CX,5
LEA DI,DECIMAL+4
MOV AH,2
DISPAXD:
MOV DL,[DI]
ADD DL,30H
DEC DI
INT 21H
LOOP DISPAXD
POP DI
POP DX
POP CX
POP BX
POP AX
RET
DISPAX ENDP
TRANS16TO10 PROC NEAR PUSH AX
PUSH BX
PUSH CX
PUSH DX
PUSH DI
MOV BX,10
MOV CX,5
LOOP1:
XOR DX,DX
DIV BX
MOV[DI],DX
INC DI
LOOP LOOP1
LEA DX,DECIMAL
MOV AH,09H
INT 21H
POP DI
POP DX
POP CX
POP BX
POP AX
RET
TRANS16TO10 ENDP
CODE ENDS
END START
10进制转化为16进制STACK SEGMENT STACK'STACK'
DW100H DUP(?)
TOP LABEL WORD
STACK ENDS
DATA SEGMENT
KEYBUFFER DB100
DB?
DB 100 DUP(?)
STRING1 DB'please input decimal data: $' DATA ENDS
CODE SEGMENT
ASSUME CS:CODE,DS:DATA,ES:DATA,SS:STACK START:
MOV AX,DATA
MOV DS,AX
MOV ES,AX
MOV AX,STACK
MOV SS,AX
LEA SP,TOP
LEA DX,STRING1
MOV AH,09H
INT 21H
MOV AH,0AH
LEA DX,KEYBUFFER
INT 21H
LEA SI,KEYBUFFER+1
CALL TRANS10TO16
CALL DISPCR
CALL DISPAX
CALL DISPCR
MOV AX,BX
CALL DISPAX
MOV AH,4CH
MOV AL,0
INT 21H
DISPAL PROC NEAR
PUSH AX
PUSH CX
PUSH DX
PUSH AX
MOV CL,4
SHR AL,CL
CALL CHANG
MOV AH,02
MOV DL,AL
INT 21H
POP AX
AND AL,0FH
CALL CHANG
MOV AH,02
MOV DL,AL
INT 21H
POP DX
POP CX
POP AX
RET
DISPAL ENDP CHANG PROC NEAR CMP AL,10
JNGE CHANG1
ADD AL,7 CHANG1:
ADD AL,30H
RET
CHANG ENDP DISPAX PROC NEAR XCHG AL,AH
CALL DISPAL
XCHG AH,AL
CALL DISPAL
RET
DISPAX ENDP DISPCR PROC NEAR PUSH AX
PUSH DX
MOV AH,2
MOV DL,0AH
INT 21H