Category Archives: apple ii

Applesoft Disassembly

I went looking for a disassembly of Applesoft. The best one I found was the S-C DocuMentor Applesoft listing which has meaningful labels and comments, but was a little cumbersome to peruse as it was spread over multiple files and lacked … Continue reading

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Future retro challenge – resurrect the Senior PROM?

About 2 years ago I got interested in “copy cards” for the Apple 2. These are cards that have a button that when it is pressed while make a snapshot of RAM on disk. This lets an executing program be ‘frozen’ … Continue reading

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retro challenge roundup

In at least some parts of the world, it’s still July 31, so I’ll claim this Apple 2 gopher client as being a 1.0 release within the Retro Challenge timeframe. A last minute change of platform, to be sure, mainly because … Continue reading

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notes on an apple iie front panel

I’m working on some ideas that may eventually evolve into a ‘front panel’ for my //e.The proposed feature list (in descending order of likelyhood that I will have the time & skill to implement): A toggle to flip between a ‘standard’ … Continue reading

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dsktool 0.4.2

I’ve just released version 0.4.2 of dsktool.rb, a command line tool and library for working with DSK images, written in ruby. The major changes in this version are: * DOS 3.3 support now read/write * NADOL support (read/write) * ProDOS … Continue reading

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two apple 2 related items

Item the first:  I’ve turned the ‘Hardcore Computist‘ article index into a web page so you can navigate from each article directly to the page containing the article. In the process, I’ve created a mirror of the scans from http://www.computist-project.net/, … Continue reading

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using dsktool.rb on ubuntu

first install the dsktool gem with sudo gem install dsktool now try to run dsktool.rb with dsktool.rb -v If you get an error message like "-bash: dsktool.rb: command not found" then you will need to put the gem bin directory into … Continue reading

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dsktool.rb

dsktool.rb dsktool.rb is a command line tool + libraries (all in ruby) for manipulating DSK format images used by Apple 2 emulators. Currently only DOS 3.3 format is supported. Usage—–dsktool.rb [switches] -c | –catalog               display catalog-l | –list FILENAME         monitor style listing … Continue reading

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Apple //e Soft Switch, Status, and other I/O locations

MEMORY MANAGEMENT SOFT SWITCHES $C000 W 80STOREOFF Allow page2 to switch video page1 page2 $C001 W 80STOREON Allow page2 to switch main & aux video memory $C002 W RAMRDOFF Read enable main memory from $0200-$BFFF $C003 W RAMDRON Read enable … Continue reading

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Apple //e links

Apple //e reference manual (PDF – from 1000bit) Beneath Apple DOS ( PDF – from 1000bit) Apple II : The DOS manual (PDF – from the Nitrozone Five apple // collection) Apple II Monitors Peeled (PDF – from the Nitrozone Five apple // collection) … Continue reading

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