Zum Inhalt springen

Jan-Arendt Klingel

Risk Management, Information Security, Retro Computing

home
  • Startseite
  • Security
    • The dissection of a transaction with a fraudulent web shop
    • Finally secure: A book to store all your passwords in
    • Dear Unknown Cyber Hacker,
    • Unglaubliche Smartwatch mit EKG Funktion erobert Deutschland im Sturm!
    • DIRNDL SPIDER
    • Wells Fargo Phishing-Email
    • Security Information Overload
  • Retro Computing
    • Programming C on the C64 using POWER C
      • A POWER C Benchmark
      • POWER C does not do struct padding
      • Using POWER C On An Emulated C64
      • Peek and poke in POWER C on the C64
      • Peculiarities of POWER C
    • Replacing Commodore C128D Fan
    • Shooting Stars 2.1 published
    • Arbeiten mit Programmen auf dem C64
    • C64 Programm aus Basic heraus starten
    • The C64 Maxi – hier nicht kaufen!
    • IBM System /360 und /370
  • Risk Management
    • Is Quantitative Risk Management Dead?
    • Es klafft eine Lücke im Bauplan für das Risikomanagement der Informationssicherheit
    • Risikomanagement für die Supply Chain
    • Drei Ausprägungen des Risikomanagements
    • Buch: „Risikomanagement für KMUs“
  • About me
  • Contact
  • Startseite
  • Security
    • The dissection of a transaction with a fraudulent web shop
    • Finally secure: A book to store all your passwords in
    • Dear Unknown Cyber Hacker,
    • Unglaubliche Smartwatch mit EKG Funktion erobert Deutschland im Sturm!
    • DIRNDL SPIDER
    • Wells Fargo Phishing-Email
    • Security Information Overload
  • Retro Computing
    • Programming C on the C64 using POWER C
      • A POWER C Benchmark
      • POWER C does not do struct padding
      • Using POWER C On An Emulated C64
      • Peek and poke in POWER C on the C64
      • Peculiarities of POWER C
    • Replacing Commodore C128D Fan
    • Shooting Stars 2.1 published
    • Arbeiten mit Programmen auf dem C64
    • C64 Programm aus Basic heraus starten
    • The C64 Maxi – hier nicht kaufen!
    • IBM System /360 und /370
  • Risk Management
    • Is Quantitative Risk Management Dead?
    • Es klafft eine Lücke im Bauplan für das Risikomanagement der Informationssicherheit
    • Risikomanagement für die Supply Chain
    • Drei Ausprägungen des Risikomanagements
    • Buch: „Risikomanagement für KMUs“
  • About me
  • Contact
Retro Computing

Starting a memory monitor from within a POWER C program

Wouldn’t it be nice if we could start a memory monitor from within our C program? For example if we want to see where the …

Von Jan-Arendt Klingel
Veröffentlicht amApril 30, 2026April 30, 2026
Retro Computing

A POWER C Benchmark

Veröffentlicht amApril 20, 2026April 21, 2026

@NoelsRetroLab published an interesting video on YouTube called „TI-99/4A BASIC Performance, Games and Comparison to Other 8 Bit Systems“. In the video, he benchmarks a …

Retro Computing

POWER C does not do struct padding

Veröffentlicht amApril 17, 2026April 20, 2026

A modern C compiler takes a struct data type and pads its elements to i.e. 4 or 8 bytes in order to improve CPU access …

Retro Computing

Peculiarities of POWER C

Veröffentlicht amFebruar 1, 2026April 23, 2026

When writing software in POWER C, there are some peculiarities that must be accounted for. POWER C is a programming language from 1986, meaning that …

Retro Computing

Using POWER C On An Emulated C64

Veröffentlicht amJanuar 17, 2026Januar 31, 2026

If you know how, developing code in POWER C using an emulated C64 is not that hard. In contrast to real hardware it even has …

Retro Computing

Peek and poke in POWER C on the C64

Veröffentlicht amJanuar 12, 2026Januar 12, 2026

In my last article I wrote that the POWER C distribution for the C64 does not contain all functions the C128 distribution has. Today I …

Retro Computing

Programming C on the C64 using POWER C

Veröffentlicht amJanuar 9, 2026Mai 8, 2026

POWER C is a UNIX-like shell, an editor, C compiler, and object linker for both the Commodore C64 and C128 platforms. It creates rather tight …

Security

Finally secure: A book to store all your passwords in

Veröffentlicht amNovember 29, 2025November 29, 2025

You thought you have seen everything in information security? What about this notebook from Staples for US$ 28.69 to write down all your passwords? It …

Security

The dissection of a transaction with a fraudulent web shop

Veröffentlicht amNovember 11, 2025November 12, 2025

The following analysis shows the transaction with a fraudulent web shop – in this case pompmex.com – and what was necessary to take it down. …

Security

Two tips for the new Smith & Wesson M&P Shield X

Veröffentlicht amOktober 9, 2025Oktober 9, 2025

No matter if you are duty carry, open carry, or concealed carry, go to gun shooting competitions or use the handgun for self-defense, the new …

Seitennummerierung der Beiträge

1 2 3 … 7 ›
© 2026 Jan-Arendt Klingel Präsentiert von WordPress Theme von Design Lab