Four bit adder: Difference between revisions
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(→{{header|C}}: xor operator will work correctly on two one-bit operands) |
(use of xor operator was forbidden for this task -- Undo revision 84068 by 169.232.246.15 (Talk)) |
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#define NOT(X) (~(X)&0x01) |
#define NOT(X) (~(X)&0x01) |
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#define XOR(X,Y) ((NOT(X)&(Y)) | ((X)&NOT(Y))) |
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void halfadder(IN a, IN b, OUT s, OUT c) |
void halfadder(IN a, IN b, OUT s, OUT c) |
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{ |
{ |
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V(s) = V(a) |
V(s) = XOR(V(a), V(b)); |
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V(c) = V(a) & V(b); |
V(c) = V(a) & V(b); |
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} |
} |
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