Daniele Lanzillo, introduction to 8-bit assembly programming, 65XX, ValorosoIT, MOS 6510, assembler, MOS 6502

Assembly for MOS 65XX Processors

The book Introduction to 8-bit Assembly Programming – Volume I: MCS 65XX is a fundamental guide for those who want to learn Assembly programming for MOS 65XX processors. Written by Daniele Lanzillo, also known as M.A.W. 1968 (András [...]

Atari 800XL vintage retro computer collection ValorosoIT, Home Computer, 80s, CPU MOS 6502C, GTIA (video), POKEY (sound, I/O), ANTIC (video)

Atari 800XL

The Atari 800XL is an 8-bit home computer manufactured by Atari, a US company, between 1982 and 1985. The computer was competing with the Commodore 64, but failed to beat the dreaded opponent. To expand the [...]

Atari 1050 floppy disk drive, transformer power supply repair

Atari 1050 floppy disk drive: power supply repair and test!

Let's repair the power supply of the Atari 1050 floppy disk drive, which, in the previous video, had blown the power! Even if it's just a transformer, the repair made me sweat! I recommend, always unplug when working on electrical circuits: [...]

Vintage Atari 800XL computer, unboxing test and repair

Atari 800XL and Atari 1050 with shorted power supply!

I recently purchased an Atari 800XL, complete with Atari 1050 floppy disk drive. Here is the unboxing and first boot... with short circuit! Before turning on a computer that has not been used for years, remember to follow the steps in this video article. Advice […]