BASIC, that simple language that was an integral part of the Apple II experience for so many fans, turns 50 this month and to help celebrate, Woz has contributed a nice little memoir about how he wrote Integer BASIC from scratch.
Programming
Posted inHardware, It's a Hack!, Programming
How MOS 6502 Illegal Opcodes really work
An extensive article detailing the illegal opcodes present in the original MOS 6502 has been posted over at pagetable.com. Ă‚ Check it out here. Note: this article is rather old (2008) (age being a relative thing on the interwebs), and as the author states, much has been written to document the opcodes already. Ă‚ The difference here […]
Posted inHowto, Programming
Easy 6502 assembly language ebook
Still haven’t learned how to program your Apple II in its native language?Ă‚ Maybe this “tiny ebook” is just what you need to get started.Ă‚ Author Nick Morgan writes: In this tiny ebook I’m going to show you how to get started writing 6502 assembly language. The 6502 processor was massive in the seventies and […]
Posted inGames, General
Apple Games Disassembly Project – Ultima 1
Over at comp.sys.apple2, an extensive message detailing the disassembly of Richard Garriott’s Ultima 1 has been posted. Ă‚ It’s a great read and definitely worth checking out if you’re at all interested in Ultima, game programming or just Apple II programming in general. Ă‚ Check it outĂ‚ here.
Posted inGeneral, Hardware, It's a Hack!
Project WALTR Update
Back in January, Australian Apple II user and blogger Lukazi introducedĂ‚ Project WALTR, a hardware hack designed to create a robot that could be controlled with Logo commands. Ă‚ This week, he(?)Ă‚ updatedĂ‚ us with a progress report and the final product looks really cool! Ă‚ In Lukazi’s words: “WALTR is a Parallax Scribbler 2 (S2) robot that takes in […]
Posted inGeneral, People, Programming
John Romero discusses the Apple II memory map
Jason Scott has been hard at work filming his next set ofĂ‚ documentaries. Ă‚ As part of the process, Scott has been posting to his YouTubeĂ‚ channel “teaser” clips and “test footage” from some of the interviews he’s been conducting. Ă‚ Here’s one that might be of particular interest to Apple II users, in whichĂ‚ John Romero describes committing the […]
Posted inProduct News, Programming, Software
PLASMA – Proto Language Assembler for Apple
David Schmenk today introduced PLASMA. Ă‚ According to David’s write-up, “PLASMA is a combination of virtual machine and assembler/compiler matched closely to the 6502 architecture.Ă‚ It is an attempt to satisfy a few challenges surrounding code size, efficient execution, small runtime and fast just-in-time compilation.Ă‚ By architecting a unique bytecode that maps nearly one-to-one to the […]
Posted inGeneral
Lim Thye Chean’s VirtualGS book now on iTunes
Lim Thye Chean’s IIGS programming book, “Virtual GS” is nowĂ‚ available from the iTunes store. Ă‚ This free iBook was created with Apple’s free iBooks Author app and requires an iPad with iBooks 2 running iOS 5 or later. Ă‚ Lim’s book covers several popular IIGS programming topics, including Pascal and GSoft BASIC.
Posted inProgramming, Publications
IIGS Programming for Kids multi-touch iBook released
Taking advantage of Apple’s recent release of the iBooks Author app in conjunction with iBooks 2 and its new textbook intiative, Lim Thye Chean has uploaded an early draft of a new book he’s writing on Apple IIGS Programming for kids to his Dropbox. If you have an iPad or iPad 2 with the new […]
Posted inGeneral
Apple Disk Server reaches beta v5
Egan Ford’s Apple Disk Server, which is an off-shoot of his Apple Game Server ONLINE! has been in development for a while now and has reached beta v5. Here’s a list of all the changes since the project first came online earlier this month. Jan 8, 2012 * Beta v5 released. * Extra second of […]