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base:6502_6510_maths [2020-02-02 22:14] – [Multiplication] djmipsbase:6502_6510_maths [2022-08-14 12:07] – [Packing/Crunching algos] martin_piper
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   * [[http://www.6502.org/tutorials/compare_beyond.html|Beyond 8-bit Unsigned Comparisons]] - A very interesting article by Bruce Clark at [[http://www.6502.org|www.6502.org]]   * [[http://www.6502.org/tutorials/compare_beyond.html|Beyond 8-bit Unsigned Comparisons]] - A very interesting article by Bruce Clark at [[http://www.6502.org|www.6502.org]]
   * [[8-Bit Ranged Comparison]] - By White Flame   * [[8-Bit Ranged Comparison]] - By White Flame
 +  * [[16-Bit Absolute Comparison]] - By Skate & Eins
 +  * [[16-Bit Comparison]] - TWW
 +
 ==== Addition/Subtraction ==== ==== Addition/Subtraction ====
  
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   * [[8bit divide (8bit product)]]   * [[8bit divide (8bit product)]]
 +  * [[8bit divide by constant (8bit result)]]
   * [[16bit division (16-bit result) ]]   * [[16bit division (16-bit result) ]]
   * [[24bit division (24-bit result) ]]   * [[24bit division (24-bit result) ]]
   * [[signed 8bit divide by 2 (arithmetic shift right)]] - by Bitbreaker/Oxyron/Nuance   * [[signed 8bit divide by 2 (arithmetic shift right)]] - by Bitbreaker/Oxyron/Nuance
 +
 +==== Exponentiation ====
 +  * [[Exponentiation]]
  
 ==== Square Root ==== ==== Square Root ====
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   * [[8bit atan2 (8-bit angle)]] - by doynax   * [[8bit atan2 (8-bit angle)]] - by doynax
 +  * [[8bit atan2 using the CORDIC algorithm]] - by Oswald
   * [[Generating Sines with BASIC]] - by Doynax   * [[Generating Sines with BASIC]] - by Doynax
   * [[Generating Approximate Sines in Assembly]] - by White Flame   * [[Generating Approximate Sines in Assembly]] - by White Flame
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 ===== Random Numbers ===== ===== Random Numbers =====
  
 +  * [[Comparison of 6502 random generators]]
 +    * [[16bit xorshift random generator]]
 +    * [[X ABC Random Number Generator (8/16 bit)]]
 +    * [[32bit Galois LFSR]]
 +    * [[Two very fast 16bit pseudo random generators as LFSR]] - with nearly 2^31 period - by Hanno Behrens
 +    * [[16bit pseudo random generator]]
 +    * [[another 16bit pseudo random generator]]
 +    * [[Small, fast 8-bit PRNG]] - with full 8-bit period - by White Flame
 +    * [[Small, fast 16-bit PRNG]] - with full 16-bit period - by White Flame
 +    * [[AX+ Tinyrand8]] - a fast 8-bit random generator with internal 16bit state - by Wil
   * [[BASIC RND routine]] - Stephen Judd   * [[BASIC RND routine]] - Stephen Judd
   * [[Fast 8bit ranged random numbers]] - by kerm1t   * [[Fast 8bit ranged random numbers]] - by kerm1t
-  * [[16bit pseudo random generator]] +  * [[Ranged Random Numbers with Even Distribution]] - by Kruthers
-  * [[another 16bit pseudo random generator]] +
-  * [[Two very fast 16bit pseudo random generators as LFSR]] - with nearly 2^31 period - by Hanno Behrens +
-  * [[32bit Galois LFSR]]+
   * [[Flexible Galois LFSR]] - by gregg   * [[Flexible Galois LFSR]] - by gregg
-  * [[Small, fast 8-bit PRNG]] - with full 8-bit period - by White Flame + 
-  * [[Small, fast 16-bit PRNG]] - with full 16-bit period - by White Flame +
-  * [[16bit xorshift random generator]]+
  
 ===== Number conversion ===== ===== Number conversion =====
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 ===== Packing/Crunching algos ===== ===== Packing/Crunching algos =====
 +For actual crunching software and usage of crunching software, see [[https://codebase64.org/doku.php?id=base:crossdev#crunching|the cross development section]] or [[https://codebase64.org/doku.php?id=tools:start#native_development|the tools for native development section]] instead.
  
   * [[Streaming 1/2/4/8-bit Numbers Without Spanning Bytes]] - by White Flame   * [[Streaming 1/2/4/8-bit Numbers Without Spanning Bytes]] - by White Flame
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   * [[base:LZMPi compression|LZMPi compressor and decompressor]]. Includes source and examples.   * [[base:LZMPi compression|LZMPi compressor and decompressor]]. Includes source and examples.
   * [[base:compression_benchmarks|Compression Benchmarks]]. A comparison of compression ratios and decompression speeds of various packers.   * [[base:compression_benchmarks|Compression Benchmarks]]. A comparison of compression ratios and decompression speeds of various packers.
- +  * [[base:Dictionary compression|Dictionary compression algorithm]]. Includes source and examples.
-==== EXOMIZER ===== +
-   * [[Exomizer level compress/decompression for beginners]] - by Richard / TND+
base/6502_6510_maths.txt · Last modified: 2023-08-21 00:49 by repose