GeckOS

GeckOS
	GeckOS Shell
Developer	André Fachat
Working state	Historic
Source model	Open source
Latest release	2.0.9 / October 6, 2013
Latest preview	2.0.9 / October 6, 2013
Platforms	MOS Technology 6502
Kernel type	Microkernel
License	GPLv2
Official website	6502.org

GeckOS is an experimental operating system for MOS 6502 and compatible processors.

Overview

The system offers some Unix-like functionality including preemptive multitasking, multithreading, semaphores, signals, binary relocation, TCP/IP networking via SLIP and a 6502 standard library.

GeckOS includes native support for the Commodore PET (32 KB and 96 KB models), Commodore 64 and the CS/A65 homebrew system. Due to the platform independent nature of the kernel code, GeckOS is advertised as an extremely easy OS to port to alternative 6502 platforms.

Binary compatibility with the LUnix operating system can be attained when the lib6502 shared library is used.

Due to the lack of an MMU and the small fixed-location stack of the 6502, multitasking is somewhat limited. The OS supports a maximum of four tasks when a shared stack space is used. This can be increased to sixteen tasks when stack snapshotting is enabled, although this is done at the expense of some system speed.

gollark: I think you're doing the thing where your models of all the quirky somewhat unintuitive things programming languages do are so ingrained that you don't realise other people lack them.

gollark: I wonder if people would find Haskell etc. more intuitive if they started on it and were not exposed to Cish languages.

gollark: Bees aren't apioforms.

gollark: Hash it plus a random salt. Release the guesses and salt later.

gollark: https://arxiv.org/abs/1811.11041

External links

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