Category Archives: Retro Computing

HP 42s the BEST calculator and its FAST MODE

Posted on November 11, 2020 by Giovanni Giorgi
The HP 42S accompanied me throughout my university career, secretly designed for me some function graphs and with its 7KB alphanumeric also managed to make me keep some secret notes. I bought it on December 5, 1992, paying it 229,000 … Continue reading →
Posted in English Content, Retro Computing | Tagged | Comments Off on HP 42s the BEST calculator and its FAST MODE

Commodore 4194304 is here: Rasperry Pi 400

Posted on November 2, 2020 by Giovanni Giorgi
Rasperry Pi Trading announced the RasperryPi 400, a whoppy 1.8 Ghz x 4Gb RAM (about 4096Mb or 4.194.304 Kb) Rasperry in a plastic keyboard case. We just read a teardown, and only the lack of a good mechanical keyboard leave … Continue reading →
Posted in Retro Computing | Tagged , , , , | Comments Off on Commodore 4194304 is here: Rasperry Pi 400

Tic80

Posted on September 29, 2020 by Giovanni Giorgi
TIC-80 is a fantasy computer for making, playing and sharing tiny games. https://github.com/nesbox/TIC-80 374 forks. 3,938 stars. 213 open issues. Recent commits: Merge pull request #2149 from Madadog/clamp-anim-ticks-1Clamp input to animEffect(), GitHub Clamp input to animEffect()Fixes https://github.com/nesbox/TIC-80/issues/1913.animEffect() seems to expect … Continue reading →
Posted in Retro Computing | Comments Off on Tic80

Commodore Retro Magic Dream: Pyc64 supports I/O on real emulation

Posted on May 19, 2020 by Giovanni Giorgi
I am happy to announce pyc64 now supports save and load programs on top of real emulation. Irmen point me to the right code to look, and I implemented the fix in the weekend; happy hacking!   Commodore-64 simulator in … Continue reading →
Posted in English Content, Retro Computing | Tagged , , | Comments Off on Commodore Retro Magic Dream: Pyc64 supports I/O on real emulation

Memory Madness 2020

Posted on May 8, 2020 by Giovanni Giorgi
In 1985, all my work started with a VIC-20 with 5Kb of RAM, and only 3583 bytes free for the BASIC. With 3 more kilobytes, VIC-20 would be able to unveil its more versatile graphic capabilities, but we have no … Continue reading →
Posted in English Content, Retro Computing | Tagged , , | Comments Off on Memory Madness 2020

MacBookPro 2009 & macOS 10.8 save diary

Posted on February 24, 2020 by Giovanni Giorgi
Nove anni fa, e nove mesi prima della nascita di mio figlio comperai un MacBook Pro mid-2009, da 2.53Ghz con Intel Core 2 Duo (“Penryn” da 2.53 GHz  codice P8700) Oltre a funzionare ancora adesso, ha subito un upgrade con … Continue reading →
Posted in Italian Content, Retro Computing | Tagged , | Comments Off on MacBookPro 2009 & macOS 10.8 save diary

About 6502 emulator

Posted on December 16, 2019 by Giovanni Giorgi
I’d like to point you to this blog article about “cycle stepped” 6502 emulator. It is well described and can be a neat read for xmas vacation. Also author’s main project is all about A toolbox of 8-bit chip-emulators, helper … Continue reading →
Posted in Knowledgebase, Retro Computing | Tagged , , , | Comments Off on About 6502 emulator