Question

Translate the following C++ program to Pep/9 assembly language.

const char chConst = '+';
char ch1;
char ch2;

int main() {
cin.get(ch1);
cin.get(ch2);
   cout << ch1 << chConst << ch2;
   return 0;
}

Answer 1

Hello. Here is your required code in assembly language. Also, please "DROP" A LIKE ON THE POST. I REALLY NEED IT.

//THIS IS THE EXACT CODE OF YOUR GIVEN SNIPPET. PLS DROP A LIKE ON IT. IF YOU NEED ANY CLARIFICATION, FEEL FREE TO COMMENT DOWN, I'LL REVERT YOU ASAP

ch1:

        .zero   1

ch2:

        .zero   1

main:

        push    rbp

        mov     rbp, rsp

        mov     esi, OFFSET FLAT:ch1

        mov     edi, OFFSET FLAT:_ZSt3cin

        call    std::basic_istream<char, std::char_traits<char> >::get(char&)

        mov     esi, OFFSET FLAT:ch2

        mov     edi, OFFSET FLAT:_ZSt3cin

        call    std::basic_istream<char, std::char_traits<char> >::get(char&)

        movzx   eax, BYTE PTR ch1[rip]

        movsx   eax, al

        mov     esi, eax

        mov     edi, OFFSET FLAT:_ZSt4cout

        call    std::basic_ostream<char, std::char_traits<char> >& std::operator<< <std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&, char)

        mov     esi, 43

        mov     rdi, rax

        call    std::basic_ostream<char, std::char_traits<char> >& std::operator<< <std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&, char)

        mov     rdx, rax

        movzx   eax, BYTE PTR ch2[rip]

        movsx   eax, al

        mov     esi, eax

        mov     rdi, rdx

        call    std::basic_ostream<char, std::char_traits<char> >& std::operator<< <std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&, char)

        mov     eax, 0

        pop     rbp

        ret

__static_initialization_and_destruction_0(int, int):

        push    rbp

        mov     rbp, rsp

        sub     rsp, 16

        mov     DWORD PTR [rbp-4], edi

        mov     DWORD PTR [rbp-8], esi

        cmp     DWORD PTR [rbp-4], 1

        jne     .L5

        cmp     DWORD PTR [rbp-8], 65535

        jne     .L5

        mov     edi, OFFSET FLAT:_ZStL8__ioinit

        call    std::ios_base::Init::Init() [complete object constructor]

        mov     edx, OFFSET FLAT:__dso_handle

        mov     esi, OFFSET FLAT:_ZStL8__ioinit

        mov     edi, OFFSET FLAT:_ZNSt8ios_base4InitD1Ev

        call    __cxa_atexit

.L5:

        nop

        leave

        ret

_GLOBAL__sub_I_ch1:

        push    rbp

        mov     rbp, rsp

        mov     esi, 65535

        mov     edi, 1

        call    __static_initialization_and_destruction_0(int, int)

        pop     rbp

        ret