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1/* SPDX-License-Identifier: GPL-3.0
2 * Virtual hardware
3 *
4 * gates.c
5 * 
6 * COPYRIGHT NOTICE
7 * Copyright (C) 2024-2025 0x4248 and contributors
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the license is not changed.
10 * 
11 * This software is free and open source. Licensed under the GNU general
12 * public license version 3.0 as published by the Free Software Foundation.
13*/
14
15#include "lib/libbit.h"
16#include "mod/gates.h"
17
18bit NOT(bit a){
19    return !(a);
20}
21
22bit NAND(bit a, bit b){
23    return NOT(a & b);
24}
25
26bit AND(bit a, bit b){
27    bit ret = NAND(a,b);
28    return NAND(ret, ret);
29}
30
31bit OR(bit a, bit b){
32    return NAND(NAND(a,a), NAND(b,b));
33}
34
35bit NOR(bit a, bit b){
36    return NOT(OR(a, b));
37}
38
39bit XOR(bit a, bit b){
40    bit nand1 = NAND(a, b);
41    bit nand2 = NAND(a, nand1);
42    bit nand3 = NAND(b, nand1);
43    return NAND(nand2, nand3);
44}
45
46bit XNOR(bit a, bit b){
47    return NOT(XOR(a, b));
48}
49
[FILE END]
(C) 2025 0x4248
(C) 2025 4248 Media and 4248 Systems, All part of 0x4248
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