DATAS SEGMENT
w dw 0
keybuf db 255
db 0
db 255 dup(0) ;定義鍵盤輸入需要的緩沖區(qū)
DATAS ENDS
STACKS SEGMENT
db 200 dup(?)
STACKS ENDS
CODES SEGMENT
ASSUME CS:CODES,DS:DATAS,SS:STACKS
START:
MOV AX,DATAS
MOV DS,AX
mov dx,offset keybuf ;用0a號(hào)功能，輸入一個(gè)字符串
mov ah,0ah ;用回車結(jié)束
int 21h
mov dl,0ah ;再進(jìn)行換行，以便在下一行顯示轉(zhuǎn)換后的字符串
mov ah,2
int 21h
; push ax
; push dx
; mov dl,cl
; mov ah,02
; int 21h
; pop dx
; pop ax
mov bx,offset keybuf+1 ;取出字符串的字符個(gè)數(shù)，作為循環(huán)的次數(shù)
mov cl,[bx]
mov ch,0
mov ax,0
again:
inc bx
mov ax,[w]
push bx
mov bx,16
mul bx
pop bx ;是小寫字母，則轉(zhuǎn)換為大寫字母
mov [w],ax
mov dl,[bx] ;取出一個(gè)字符，
cmp dl,'9'
jbe lab1
cmp dl,'F'
jbe lab2
sub dl,32
lab2: sub dl ,07h
lab1: sub dl,30h
add [w],dx
loop again
mov ax,[w]
mov bx,-1
push bx
mov bx,10
lab3 :mov dx,0
div bx
push dx
cmp ax,0
jnz lab3
lab5: pop dx
cmp dx,-1
jz lab4
add dl,30h
mov ah,02
int 21h
jmp lab5 ;循環(huán)，處理完整個(gè)字符串
lab4: MOV AH,4CH
INT 21H
CODES ENDS
END START
標(biāo)簽：
匯編
上傳時(shí)間：
2015-04-02
上傳用戶：wcc0310
有多徑信道、多普勒頻移，瑞利、RICE(萊斯)信道等仿真，QPSK調(diào)制和解調(diào)等，交織編碼。程序經(jīng)過本人測(cè)試，絕對(duì)可用，并附上本人測(cè)試說明和仿真圖像結(jié)果-I collected information on 2, how-path channel, Doppler frequency shift, Rayleigh, RICE (Rice) channel, such as simulation, QPSK modulation and demodulation, etc., Interleaved Coded. After I tested the procedure is absolutely available, along with my test images and simulation results indicate.
標(biāo)簽：
移動(dòng)通信
多普勒頻移
上傳時(shí)間：
2015-06-16
上傳用戶：whtiger
