2^x bits on Imapenguin
The Wallis Product for Pi on the C64
Enigma Ring Settings on the Commodore 64
Breaking Enigma on the Commodore 64
Enigma Emulator on the Commodore 64
10 PRINT on the Apple II
The Math Behind Enigma
Sorting Algorithms Visualized on the Commodore 64
First Principles: Why You Must Learn Before You Prompt
Dorothy Vaughan: Adapt or Become Obsolete
Three Maze Generators on the Commodore 64
16-bit Unsigned AND on Commodore 64
The Best Book Cover of All Time
10 PRINT for the KIM-1
10PRINT and 100 Doors on the PicoCalc from Clockwork Pi
PICO-8 100 Doors Problem
10 Print on PICO-8
Dragon Curves
10 PRINT in Rust vs C
wAx the VIC-20
10 PRINT on the HP-42s
The McNuggets Problem
Back to the basics with BASIC (and Python): Binary Search
Machine Language: Count Faster on 6502
Visualize and verify the reverse engineered Commodore 64 SID LFSR
A Gentle Introduction to LFSRs
Quick Post: Printing binary numbers in Commodore BASIC 2.0
10 Print on the TI-92
A gentle introduction to two's complement
N-Queens problem
Rail Fence Cipher on Commoodore 64 and TI 99/4A
A grid drawing rabbit hole
10 PRINT on the Rockwell AIM 65
Building a software serial bridge
Blinkenlights
40 years on, this is still the best maze algorithm
Validating Pilish
My mostly retro writing platform contenders in National Novel Writing Month for 2022 NaNoWriMo
Adding very large integers in 8 Bit BASIC
MOS paper tape format
A little more speed from the 6502
How fast can a 6502 transfer memory
Almost primes with TinyBASIC on the KIM-1 clone: PAL-1
VIC’s Revenge, the drop-in replacement for the VIC-20 VIC chip Part 1: Introduction, design goals, and FAQs
64 Bit Addition and Products on Commodore: The Wheat and Chessboard problem
Vicky-20 S Video Mod Results
Yet another version of the 100 door problem; this time, let's extend Commodore BASIC to add PRINT @, shall we?
Simple exponents on an HP-16c
Fibonacci 1-10 on the KIM-1 (and clones)
The terrible random number generation in the Commodore 64 (and 128)
Getting green and amber screens from a MiniPET 40/80
Simple splitting the screen with two colors on the Commodore 64
A visual 100 Door Problem solution in Python
Permutations of 1 to 9 in Python, BASIC, and 6502 Assembly
Making and breaking codes Part 14- VIC Cipher on the Commodore VIC-20
Can you do Advent of Code on 8-Bit Machines?
Quick Tower of Hanoi with Sound on the Commodore 64
Dice frequency
A week of diving a little deeper into my Atari 800XL
Two weeks with a Coco 2 in September
Slot Game On Tandy TRS-80 Pocket Computer PC-4
Calculating Pi via the Gregory-Leibniz series in BASIC on the Tandy Color Computer 2
Just for fun, the 100 door problem on several different systems
Recreational Math Challenge: Border Crossings - but on 40 year old computers
Running Commodore 64 BASIC Programs on a PET
The CERBERUS 2080
Making and Breaking Ciphers with Commodore 64 - The Vigenère Cipher
Making and breaking Ciphers on the Commodore 64, er VIC-20 - Lagged Fibonacci Sequence and a little Monte Carlo while embracing contraints
Quick Post: XOR in Commodore BASIC 2
Running the 8 Bit Show and Tell VIC-20 Super Expander Programming Challenge on the Commodore 64
The retro pinout project
Quick Post: Modulus in BASIC 2 without a cartridge
Making and breaking Ciphers on the Commodore 64 Part 12 - Pontifex - Solitaire from Cryptonomicon
Making and breaking Ciphers on the Commodore 64 Part 11 - One time pads on a Commodore 64, probably a bad idea
Making and breaking Ciphers on the Commodore 64 Part 10 - Finding hash collisions with a type in game from 1984
Making and Breaking Ciphers with Commodore 64 Part 9 - Finding Smallish Primes
Quick Post: Slow text on the Commodore
The Commodore 64 N.O.O.C.U.L.A.R. futbal project
Making and breaking Ciphers on the Commodore 64 Part 8 - RC4
The Nostalgia Files: My all time favorite book
Repairing a Commodore 128 and DIY Chris's RAM tester review
Making and breaking Ciphers on the Commodore 64 Part 7 - Pseudo Random with Linear Congruential Generators
Making and Breaking Ciphers with a Commodore 64 - Part 6: XOR is Magical - Data recovery
Finding the Prodigal Easter Egg inside the Easter Egg on a Commodore 64
Quick post: Determining length in Commodore Assembly
Benchmarking Retro Computers (mostly Commodore) with marginal methods
Jiffies in Assembly
Making and Breaking Ciphers with a Commodore 64 - Part 5: Wargames
Calculating Pi via the Gregory-Leibniz series in BASIC on the VIC-20
Quick Post: Commodore 64 Simple Addition Efficiency
c0pperdragon verdict
Making and Breaking Ciphers with a Commodore 64 - Part 4: The PIN Program from Terminator 2
Making and Breaking Ciphers with a Commodore 64 - Part 3: The Caesar Cipher
Making and Breaking Ciphers with Python, er Commodore- Part 2: The Shift Cipher
Replacing an RF Modulator on a Commodore 64C
Making and Breaking Ciphers with Python, er, a Commodore- Part 1: The Reverse Cipher
Simple, 'unbreakable' encryption with a pencil
Getting started with Native Commodore 64 Assembly
Friday fun: Games I'm playing in Jan 2021
Switching to 64 bit Raspbian Linux is a snap
Did you do that on real hardware?
Merry Christmas
My DOScember pick for the best DOS Software
Why does there have to be a why?
Imapenguin, reborn
Vic6560
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