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Kernel version 0.8 : Docs
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README.md
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README.md
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# A2osX
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# A2osX
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Multi-Tasking OS for Apple II
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Multi-Tasking OS for Apple II
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## Introduction...
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A2osX is a cooperative, event-driven multitasking kernel (meaning it is applications that are responsible to give back control to kernel)
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Its principal goal is to collect all "genius" pieces of 65c02 code in the same environment that were written here and there but never put all together
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(IP Stack, GUI, hardware support....)
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A2osX is designed to work on any "stock" 128k Apple //e with no hardware modification. As VBL signal is NOT available as an IRQ on //e (it is on //c & IIgs)
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it makes preemptive multitasking impossible.
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(Well, GSosX, 16 bits equivalent for IIgs, another project which is "cooking" in my mind, could do it!)
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Kernel, loading in Aux LC on top of ProDOS provide API inspired from Linux/Unix World to allow writing applications & command line tools o top of it.
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This kernel provides an advanced memory manager able to relocate 65c02 code,
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event manager makes TCPIP stack able to listen on several ports, manage ARP,DNS...cache expiration,
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task manager is responsible to "distribute" CPU time to several loaded processes.
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Device manager handles event collected from builtin devices as well as devices added by loadable drivers.
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If you're 65c02 code writer, how to contribute ?
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Several subprojects are now indentified :
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+ Hardware Support : adding drivers to support more & more hardware (RAM cards, storage....)
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+ TCPIP stack : TCP still missing!
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+ AppleTalk Support
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+ GUI & Printing
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+ Disk Image transfer tools (ADT client!)
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+ Pascal or C Compiler?
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+ ...sure there is some more!
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## Screenshots
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![](https://github.com/burniouf/A2osX/blob/master/ScreenShot.LS.bmp)
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![](https://github.com/burniouf/A2osX/blob/master/ScreenShot.LS.bmp)
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![](https://github.com/burniouf/A2osX/blob/master/ScreenShot.EDIT.bmp)
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![](https://github.com/burniouf/A2osX/blob/master/ScreenShot.EDIT.bmp)
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## Requires :
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## Requires :
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Enhanced IIe (65c02 cpu) with 128k, //c, IIgs
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Enhanced IIe (65c02 cpu) with 128k, //c, IIgs
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@ -12,16 +42,16 @@ It is confined in Aux LC Bank 1 & 2 to leave enough room at $EOOO for Drivers.
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Network drivers, Mouse, DHGR.DRV can load and fit in Aux LC.
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Network drivers, Mouse, DHGR.DRV can load and fit in Aux LC.
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Now it's time to make all external BINs use new API, then GUI development will resume.
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Now it's time to make all external BINs use new API, then GUI development will resume.
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**A2OSX.BOOT.po** : 140k A2osX boot disk with all binaries
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**A2OSX.BOOT.po** : 140k BOOT disk image with all binaries
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**A2OSX.DEV.po** : 140k A2osX disk with ASM binaries, Debug Tools & INClude files
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**A2OSX.DEV.po** : 140k disk image with ASM binaries, Debug Tools & INClude files
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**A2OSX.SRC.po** : 800k S-C MASM boot disk with all sources
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**A2OSX.SRC.po** : 800k S-C MASM boot disk image with all sources
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OApple+1,OApple+2,OApple+3 to switch between screens : Kernel Log, text, DHGR.
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OApple+1,OApple+2,OApple+3 to switch between screens : Kernel Log, text, DHGR.
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(OApple+shift+1,OApple+shift+2,OApple+shift+3 on FR keyboard)
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(OApple+shift+1,OApple+shift+2,OApple+shift+3 on FR keyboard)
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### **** Documentation WANTED ****
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### **** Documentation WANTED ****
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Is there anybody who could provide "appletalk programmer's guide for the apple ii" ?
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Is there anybody who could provide "appletalk programmer's guide for the apple II" ?
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(Needed for KM.ATLK and AT commands development)
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(Needed for KM.ATLK and AT commands development)
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### **** Developers WANTED ****
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### **** Developers WANTED ****
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