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项目描述

Alpaca is a multitasking operating system for Z-80 based arcade hardware. It has been designed to run on both Pac-Man and Pengo based arcade machines, but can easily be ported to other machines with similar architectures. It supports four concurrently running processes, task switching, simple inter-process messaging, semaphores, and a basic window-based graphical interface.

系统要求

System requirement is not defined
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.

2003-08-22 23:13
0.8

文本输出程序已实施了屏幕的所有三个地区。这些工作包括于XY，以抵消转换例程和文本的理由。初始屏幕已经实施，随着常规，以填补墙纸屏幕。一个更好的兰特（）例程也已到位投入使用R登记。任务切换仍是未经测试，但实施。
标签: Minor feature enhancements
Text output routines have been implemented for all three regions of the screen. These routines include the XY to offset conversions and text justification routines. The splash screen has been implemented, along with the routine to fill the screen with the wallpaper. A better rand() routine has also been put into place using the R register. Task switching is still untested, but implemented.

2003-07-28 22:27
0.7

CPU和硬件的基本设置完成。如memset，clearscreen了一些实用功能，睡眠的贯彻落实。任务切换仍然没有得到执行，但设计的。
标签: Initial freshmeat announcement
Basic setup of the cpu and hardware are done. Some utility functions such as memset, clearscreen, and sleep are implemented. Task switching is still unimplemented, but designed.

Project Resources

Project Page 下载: zip 首页 下载: TGZ