asm x86 convert to k-th system

;k
;n
convert:
    push ebp
    mov ebp, esp
    push esi
    push ebx
    xor ebx, ebx
    mov ecx, 1
    mov esi, [ebp + 12]
.loop:
    cmp dword [ebp + 8], 0
    je .loop_end
    mov eax, [ebp + 8]
    cdq
    idiv esi
    mov [ebp + 8], eax
    mov eax, edx
    mul ecx
    add ebx, eax
    mov eax, ecx
    mov ecx, 10
    mul ecx
    mov ecx, eax
    jmp .loop
.loop_end:
    mov eax, ebx
    pop ebx
    pop esi
    pop ebp
    ret