%macro	get_arg 0
		add esi, 4
		mov edi, [esi]
%endmacro
%macro	write_value 0
		mov edx, eax		; count
		mov eax, 4		; syscall write
		mov ebx, [f_discr]
		mov ecx, buffer
		int 80h
%endmacro
%macro	new_line 0
		mov eax, 4
		mov ebx, [f_discr]
		mov ecx, nlstr
		mov edx, 1
		int 80h
%endmacro
%macro	vertical 0
		mov eax, 4
		mov ebx, [f_discr]
		mov ecx, vert_sep
		mov edx, 3
		int 80h
%endmacro
%macro	border 0
		mov eax, 4
		mov ebx, [f_discr]
		mov ecx, some_spaces
		mov edx, 2
		int 80h
		mov eax, 4
		mov ebx, [f_discr]
		mov ecx, border_sep
		mov edx, 53
		int 80h
		mov eax, 4
		mov ebx, [f_discr]
		mov ecx, some_spaces
		mov edx, 2
		int 80h
%endmacro
%macro	horizontal 0
		mov eax, 4
		mov ebx, [f_discr]
		mov ecx, beg_sep
		mov edx, 2
		int 80h
		mov eax, 4
		mov ebx, [f_discr]
		mov ecx, hor_sep
		mov edx, hor_length
		int 80h
		mov eax, 4
		mov ebx, [f_discr]
		mov ecx, end_sep
		mov edx, 2
		int 80h
%endmacro
%macro	placeholder 0
		mov eax, 4
		mov ebx, [f_discr]
		mov ecx, some_spaces
		int 80h
%endmacro
%macro	undefined 0
		mov eax, 4
		mov ebx, [f_discr]
		mov ecx, undef_value
		mov edx, 1
		int 80h
%endmacro