Category: Code

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 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)

February 28, 2022

Simple splitting the screen with two colors on the Commodore 64

January 11, 2022

A visual 100 Door Problem solution in Python

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

October 6, 2021

Two weeks with a Coco 2 in September

September 9, 2021

Slot Game On Tandy TRS-80 Pocket Computer PC-4

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

July 9, 2021

The CERBERUS 2080

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 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 19, 2021

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

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 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 24, 2021

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

January 26, 2021

Getting started with Native Commodore 64 Assembly

January 21, 2021

Switching to 64 bit Raspbian Linux is a snap

November 25, 2020

Why does there have to be a why?

Category: Commodore

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?

Category: Crypto

July 15, 2022

Adding very large integers in 8 Bit BASIC

July 7, 2022

MOS paper tape format

March 21, 2022

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

October 28, 2021

Dice frequency

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 19, 2021

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

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

Quick post: Determining length in Commodore Assembly

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 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

Category: How-To

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

January 11, 2022

A visual 100 Door Problem solution in Python

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

Dice frequency

October 8, 2021

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

October 6, 2021

Two weeks with a Coco 2 in September

September 9, 2021

Slot Game On Tandy TRS-80 Pocket Computer PC-4

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

July 9, 2021

The CERBERUS 2080

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 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 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 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 21, 2021

Switching to 64 bit Raspbian Linux is a snap

Category: PET

July 15, 2022

Adding very large integers in 8 Bit BASIC

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

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

Category: Retro

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 27, 2022

Simple exponents on an HP-16c

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

January 11, 2022

A visual 100 Door Problem solution in Python

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

October 6, 2021

Two weeks with a Coco 2 in September

September 9, 2021

Slot Game On Tandy TRS-80 Pocket Computer PC-4

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

July 9, 2021

The CERBERUS 2080

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 16, 2021

The Nostalgia Files: My all time favorite book

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?

November 25, 2020

Why does there have to be a why?

Category: VIC-20

July 15, 2022

Adding very large integers in 8 Bit BASIC

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 21, 2022

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

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?

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 15, 2021

Quick Post: Modulus in BASIC 2 without a cartridge

Category: Getting Started

July 7, 2022

MOS paper tape format

December 14, 2021

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

October 8, 2021

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

May 18, 2021

The retro pinout project

April 22, 2021

Quick Post: Slow text on the Commodore

January 26, 2021

Getting started with Native Commodore 64 Assembly

December 31, 2020

Did you do that on real hardware?

November 25, 2020

Why does there have to be a why?

Category: KIM-1

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

March 24, 2022

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

Category: Python

July 7, 2022

MOS paper tape format

January 11, 2022

A visual 100 Door Problem solution in Python

December 20, 2021

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

Category: C64

June 22, 2022

A little more speed from the 6502

June 14, 2022

How fast can a 6502 transfer memory

May 4, 2022

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

March 21, 2022

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

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

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?

Category: Hardware

June 22, 2022

A little more speed from the 6502

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

March 27, 2022

Simple exponents on an HP-16c

March 24, 2022

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

March 16, 2022

Getting green and amber screens from a MiniPET 40/80

October 8, 2021

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

October 6, 2021

Two weeks with a Coco 2 in September

September 9, 2021

Slot Game On Tandy TRS-80 Pocket Computer PC-4

July 9, 2021

The CERBERUS 2080

May 18, 2021

The retro pinout project

April 21, 2021

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

April 14, 2021

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

March 29, 2021

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

March 18, 2021

Benchmarking Retro Computers (mostly Commodore) with marginal methods

March 10, 2021

c0pperdragon verdict

February 26, 2021

Replacing an RF Modulator on a Commodore 64C

Category: Cerberus

June 14, 2022

How fast can a 6502 transfer memory

Category: Vicsrevenge

May 15, 2022

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

Category: Review

May 5, 2022

Vicky-20 S Video Mod Results

October 8, 2021

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

October 6, 2021

Two weeks with a Coco 2 in September

July 9, 2021

The CERBERUS 2080

April 14, 2021

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

March 10, 2021

c0pperdragon verdict

Category: Calculator

March 27, 2022

Simple exponents on an HP-16c

Category: Security

March 21, 2022

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

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 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 19, 2021

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

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

Quick post: Determining length in Commodore Assembly

March 16, 2021

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

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 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

Category: Atari

October 8, 2021

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

August 5, 2021

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

Category: Coco

October 6, 2021

Two weeks with a Coco 2 in September

September 9, 2021

Slot Game On Tandy TRS-80 Pocket Computer PC-4

September 3, 2021

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

Category: Tandy

October 6, 2021

Two weeks with a Coco 2 in September

September 9, 2021

Slot Game On Tandy TRS-80 Pocket Computer PC-4

September 3, 2021

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

Category: TRS-80

October 6, 2021

Two weeks with a Coco 2 in September

September 9, 2021

Slot Game On Tandy TRS-80 Pocket Computer PC-4

September 3, 2021

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

Category: 100 Doors

August 5, 2021

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

Category: Linux

January 21, 2021

Switching to 64 bit Raspbian Linux is a snap

November 25, 2020

Why does there have to be a why?

Category: DOS

December 22, 2020

My DOScember pick for the best DOS Software

November 25, 2020

Why does there have to be a why?