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Data update

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Ingy döt Net 2026-02-01 16:33:20 -08:00
parent 5150844a7d
commit 4bb20c9b71
7735 changed files with 38060 additions and 199180 deletions
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52
Task/Four-bit-adder/PowerShell/four-bit-adder-1.psh
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function bxor2 ( [byte] $a, [byte] $b )
{
$out1 = $a -band ( -bnot $b )
$out2 = ( -bnot $a ) -band $b
$out1 -bor $out2
}
function hadder ( [byte] $a, [byte] $b )
{
@{
"S"=bxor2 $a $b
"C"=$a -band $b
}
}
function fadder ( [byte] $a, [byte] $b, [byte] $cd )
{
$out1 = hadder $cd $a
$out2 = hadder $out1["S"] $b
@{
"S"=$out2["S"]
"C"=$out1["C"] -bor $out2["C"]
}
}
function FourBitAdder ( [byte] $a, [byte] $b )
{
$a0 = $a -band 1
$a1 = ($a -band 2)/2
$a2 = ($a -band 4)/4
$a3 = ($a -band 8)/8
$b0 = $b -band 1
$b1 = ($b -band 2)/2
$b2 = ($b -band 4)/4
$b3 = ($b -band 8)/8
$out1 = fadder $a0 $b0 0
$out2 = fadder $a1 $b1 $out1["C"]
$out3 = fadder $a2 $b2 $out2["C"]
$out4 = fadder $a3 $b3 $out3["C"]
@{
"S"="{3}{2}{1}{0}" -f $out1["S"], $out2["S"], $out3["S"], $out4["S"]
"V"=$out4["C"]
}
}
FourBitAdder 3 5
FourBitAdder 0xA 5
FourBitAdder 0xC 0xB
[Convert]::ToByte((FourBitAdder 0xC 0xB)["S"],2)

131
Task/Four-bit-adder/PowerShell/four-bit-adder-2.psh
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$source = @'
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace RosettaCodeTasks.FourBitAdder
{
public struct BitAdderOutput
{
public bool S { get; set; }
public bool C { get; set; }
public override string ToString ( )
{
return "S" + ( S ? "1" : "0" ) + "C" + ( C ? "1" : "0" );
}
}
public struct Nibble
{
public bool _1 { get; set; }
public bool _2 { get; set; }
public bool _3 { get; set; }
public bool _4 { get; set; }
public override string ToString ( )
{
return ( _4 ? "1" : "0" )
+ ( _3 ? "1" : "0" )
+ ( _2 ? "1" : "0" )
+ ( _1 ? "1" : "0" );
}
}
public struct FourBitAdderOutput
{
public Nibble N { get; set; }
public bool C { get; set; }
public override string ToString ( )
{
return N.ToString ( ) + "c" + ( C ? "1" : "0" );
}
}
public static class LogicGates
{
// Basic Gates
public static bool Not ( bool A ) { return !A; }
public static bool And ( bool A, bool B ) { return A && B; }
public static bool Or ( bool A, bool B ) { return A || B; }
// Composite Gates
public static bool Xor ( bool A, bool B ) { return Or ( And ( A, Not ( B ) ), ( And ( Not ( A ), B ) ) ); }
}
public static class ConstructiveBlocks
{
public static BitAdderOutput HalfAdder ( bool A, bool B )
{
return new BitAdderOutput ( ) { S = LogicGates.Xor ( A, B ), C = LogicGates.And ( A, B ) };
}
public static BitAdderOutput FullAdder ( bool A, bool B, bool CI )
{
BitAdderOutput HA1 = HalfAdder ( CI, A );
BitAdderOutput HA2 = HalfAdder ( HA1.S, B );
return new BitAdderOutput ( ) { S = HA2.S, C = LogicGates.Or ( HA1.C, HA2.C ) };
}
public static FourBitAdderOutput FourBitAdder ( Nibble A, Nibble B, bool CI )
{
BitAdderOutput FA1 = FullAdder ( A._1, B._1, CI );
BitAdderOutput FA2 = FullAdder ( A._2, B._2, FA1.C );
BitAdderOutput FA3 = FullAdder ( A._3, B._3, FA2.C );
BitAdderOutput FA4 = FullAdder ( A._4, B._4, FA3.C );
return new FourBitAdderOutput ( ) { N = new Nibble ( ) { _1 = FA1.S, _2 = FA2.S, _3 = FA3.S, _4 = FA4.S }, C = FA4.C };
}
public static void Test ( )
{
Console.WriteLine ( "Four Bit Adder" );
for ( int i = 0; i < 256; i++ )
{
Nibble A = new Nibble ( ) { _1 = false, _2 = false, _3 = false, _4 = false };
Nibble B = new Nibble ( ) { _1 = false, _2 = false, _3 = false, _4 = false };
if ( (i & 1) == 1)
{
A._1 = true;
}
if ( ( i & 2 ) == 2 )
{
A._2 = true;
}
if ( ( i & 4 ) == 4 )
{
A._3 = true;
}
if ( ( i & 8 ) == 8 )
{
A._4 = true;
}
if ( ( i & 16 ) == 16 )
{
B._1 = true;
}
if ( ( i & 32 ) == 32)
{
B._2 = true;
}
if ( ( i & 64 ) == 64 )
{
B._3 = true;
}
if ( ( i & 128 ) == 128 )
{
B._4 = true;
}
Console.WriteLine ( "{0} + {1} = {2}", A.ToString ( ), B.ToString ( ), FourBitAdder( A, B, false ).ToString ( ) );
}
Console.WriteLine ( );
}
}
}
'@
Add-Type -TypeDefinition $source -Language CSharpVersion3

1
Task/Four-bit-adder/PowerShell/four-bit-adder-3.psh
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[RosettaCodeTasks.FourBitAdder.ConstructiveBlocks]::Test()