「8086」組合語言基本-ADD、ADC

MODEL SMALL .STACK 100h .DATA .CODE .386 START:mov ax,@DATA mov ds,ax mov eax 800000001 mov ebx 123000001 mov ecx 210000002 mov edx 100000003 add eax,ebx adc ecx,edx mov ah,4ch int 21h .STACK 4ch END START

部落格全站分類：數位生活

Jun 05 Fri 2009 17:50
VHDL

library ieee;
use IEEE.STD_LOGIC_1164.all;

entity table is
port (X:in STD_LOGIC_VECTOR(3 downto 0);
Y:out STD_LOGIC);
end table;

architecture a of table is
begin
Y <= '1' when X="0010" else
'1' when X="0011" else
'1' when X="0101" else
'1' when X="0111" else
'0';
end a;