July 15, 2022

Adding very large integers in 8 Bit BASIC

July 7, 2022

MOS paper tape format

June 22, 2022

A little more speed from the 6502

June 14, 2022

How fast can a 6502 transfer memory

May 25, 2022

Almost primes with TinyBASIC on the KIM-1 clone: PAL-1

May 15, 2022

VIC’s Revenge, the drop-in replacement for the VIC-20 VIC chip Part 1: Introduction, design goals, and FAQs

May 5, 2022

Vicky-20 S Video Mod Results

May 4, 2022

Yet another version of the 100 door problem; this time, let's extend Commodore BASIC to add PRINT @, shall we?

March 24, 2022

Fibonacci 1-10 on the KIM-1 (and clones)

March 21, 2022

The terrible random number generation in the Commodore 64 (and 128)

March 16, 2022

Getting green and amber screens from a MiniPET 40/80

February 28, 2022

Simple splitting the screen with two colors on the Commodore 64

December 20, 2021

Permutations of 1 to 9 in Python, BASIC, and 6502 Assembly

December 14, 2021

Can you do Advent of Code on 8-Bit Machines?

October 28, 2021

Quick Tower of Hanoi with Sound on the Commodore 64

October 28, 2021

Dice frequency

October 8, 2021

A week of diving a little deeper into my Atari 800XL

September 3, 2021

Calculating Pi via the Gregory-Leibniz series in BASIC on the Tandy Color Computer 2

August 5, 2021

Just for fun, the 100 door problem on several different systems

July 18, 2021

Running Commodore 64 BASIC Programs on a PET

June 9, 2021

Making and breaking Ciphers on the Commodore 64, er VIC-20 - Lagged Fibonacci Sequence and a little Monte Carlo while embracing contraints

May 18, 2021

The retro pinout project

May 15, 2021

Quick Post: Modulus in BASIC 2 without a cartridge

May 13, 2021

Making and breaking Ciphers on the Commodore 64 Part 12 - Pontifex - Solitaire from Cryptonomicon

May 10, 2021

Making and breaking Ciphers on the Commodore 64 Part 11 - One time pads on a Commodore 64, probably a bad idea

April 28, 2021

Making and breaking Ciphers on the Commodore 64 Part 10 - Finding hash collisions with a type in game from 1984

April 22, 2021

Quick Post: Slow text on the Commodore

April 21, 2021

The Commodore 64 N.O.O.C.U.L.A.R. futbal project

April 19, 2021

Making and breaking Ciphers on the Commodore 64 Part 8 - RC4

April 14, 2021

Repairing a Commodore 128 and DIY Chris's RAM tester review

April 6, 2021

Making and breaking Ciphers on the Commodore 64 Part 7 - Pseudo Random with Linear Congruential Generators

April 1, 2021

Making and Breaking Ciphers with a Commodore 64 - Part 6: XOR is Magical - Data recovery

March 29, 2021

Finding the Prodigal Easter Egg inside the Easter Egg on a Commodore 64

March 29, 2021

Quick post: Determining length in Commodore Assembly

March 18, 2021

Benchmarking Retro Computers (mostly Commodore) with marginal methods

March 18, 2021

Jiffies in Assembly

March 16, 2021

Making and Breaking Ciphers with a Commodore 64 - Part 5: Wargames

March 13, 2021

Calculating Pi via the Gregory-Leibniz series in BASIC on the VIC-20

March 13, 2021

Quick Post: Commodore 64 Simple Addition Efficiency

March 10, 2021

c0pperdragon verdict

March 8, 2021

Making and Breaking Ciphers with a Commodore 64 - Part 4: The PIN Program from Terminator 2

March 7, 2021

Making and Breaking Ciphers with a Commodore 64 - Part 3: The Caesar Cipher

March 1, 2021

Making and Breaking Ciphers with Python, er Commodore- Part 2: The Shift Cipher

February 26, 2021

Replacing an RF Modulator on a Commodore 64C

February 24, 2021

Making and Breaking Ciphers with Python, er, a Commodore- Part 1: The Reverse Cipher

February 10, 2021

Simple, 'unbreakable' encryption with a pencil

January 26, 2021

Getting started with Native Commodore 64 Assembly

January 22, 2021

Friday fun: Games I'm playing in Jan 2021

December 31, 2020

Did you do that on real hardware?

December 24, 2020

Merry Christmas

November 25, 2020

Why does there have to be a why?