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December 28, 2015 00:19
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Enuntul problemei: Sa se citeasca de la tastatura o tasta, si in functie de ce tasta e, sa afiseze un mesaj distinct (daca e 0 - sa afiseze ca e 0, daca e 1, idem; dar daca e orice alta tasta sa mai ceara o data introducerea unei taste si sa repete procedura).
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.model small | |
.stack | |
.data | |
m0 db 10, "ati apasat 0", "$" | |
m1 db 10, "ati apasat 1", "$" | |
mgeneral db 10, "nu ati apasat nici 0 nici 1, mai incercati o data", "$" | |
.code | |
main proc | |
citire: | |
mov ah,08h ; citeste fara echo si return pe al | |
int 21h | |
CMP al,48 | |
JNE Nu0 ; daca nu e zero, sare la bucata de cod Nu0, altfel continua neintrerupt | |
mov ax, seg m0 ; afiseaza mesajul m0, adica compararea de mai sus a rezultat 0 si scriem asta | |
mov ds, ax | |
mov ah, 09h | |
lea dx, m0 | |
int 21h | |
JMP exit | |
Nu0: | |
CMP al, 49 ; nefiind 0, ne mai intereseaza daca nu e nici 1 | |
JNE Nu ; daca e 1, continua neintrerupt, daca nu e nici unu, sare la mesajul general | |
mov ax, seg m1 | |
mov ds, ax | |
mov ah, 09h | |
lea dx, m1 | |
int 21h | |
JMP exit ; putem sari la exit, pentru ca a fost ori 1 ori 0 | |
Nu: | |
mov ax, seg mgeneral ; afiseaza mesajul ca nu e nici 1 nici 0 | |
mov ds, ax | |
mov ah, 09h | |
lea dx, mgeneral | |
int 21h | |
JMP citire ; nu sarim la exit, dar sarim la citire sa reluam tot codul, pana e ori 1 ori 0 | |
exit: | |
mov ax,4c00h | |
int 21h | |
main endp | |
end main |
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