Yesterday, we highlighted one of the entries for the Apple II Software Enthusiasts (A2SE) programming contest, TXTRIS by Mario Patino. Today’s entry into the fray comes to us from Eric Sperano. His entry, Spetris! or as he calls it, “Yet Another Tetris Clone”, is a multi-themed version of the traditional game of Tetris. Originally created […]
The SpASM 6502 Spreadsheet Assembler has been updated. SpASM version 1.2.0 includes a new Linker as part of the Assembler and also includes Error Checking. According the the A2SE posting by Francois Vander Linden , SpASM’s author, “ You can now use the worksheets as code modules. All the assemblies are then automatically linked, ready […]
Francois Vander Linden has posted a proof of concept for his Excel Spreadsheet Assembler. As it is still in very rough form, Franco obviously has some hopes for it saying, ” I think it might be useful for some rapid 6502 test routines with an emulator for example.” Some of the features included in the […]
Thanks to the efforts of Antoine Vignau and John Morris, the Merlin 32 App is now available as a 64-bit app for both the x86 based and the M1 based Mac computers. The Merlin 32 App is available as a free download from the Brutal Deluxe software website at:http://www.brutaldeluxe.fr/products/crossdevtools/merlin/
Dagen Brock has updated his recently released 65xx Programmers Reference for iOS. This App is a great reference for programmers of the 65xx series CPU’s such as those found in the Apple II series computers. The latest version of the program has complete CPU separation allowing those who are programming a specific CPU to only […]
After a request by Willi Kuche, the Apple ][ community came together and managed to come up with two versions of the source code for Glen Bredon’s Mr. Fixit for Prosel 8. Being as no original source code was available, two people in particular disassembled the program and have posted their respective versions to the […]
Don Lancaster, Curator of the Guru’s Lair website and author of several Apple ][ releated books including A.P.P.L.E.’s Call-A.P.P.L.E. In Depth Books 4, All About Applewriter, has made a number of his Apple ][ books available in PDF for free download. The current books he has released are the Apple Assembly Cookbook, Book 1 and […]
The APPLE-II color graphics hardware will display a 40H by 48V grid, each position of which may be anyone of 16 colors. The actual screen data is stored in 1 K bytes of system memory, normally locations $400 to $7FF.(A dual page mode allows the user to alternatively display locations $800 to $BFF). Color displays […]
Dear Call-A.P.P.L.E. I am writing to say I am very impressed with the Call-A.P.P.L.E. newsletter. It is not only informative, it is also very useful, particularly the section dealing with the System Monitor and Mini-Assembler, since I am especially Interested in Assembly Language. How about making an Assembly Language Tutorial tape. Also, how would I […]
If you have a newer Apple with the silent keyboard, Don Williams has written a short and sweet machine language routine to solve your problem. 0300: 48 PHA 0301 : A9 20 LDA #$20 0303: 8D 30 CO STA $C030 0306: 20 A8 FC JSR $FCA8 0309: 8D 30 CO STA $C030 030C: 68 PLA […]
The Assembly Language classes are now scheduled to start June 1 at Empire Electronics. Cost $35 per persorn including Synertek manual. To sign up, call Tom Geer at (206)244-5200 or Don Williams at (206)242-6807. The course includes Number Systems, Boolean Algebra, 6502 Instruction set and Programming.
Don Williams will be our instructor for an 18 hour Assembly Language programming course. The cost is $35, which includes the Synertek 6502 Programming manual, and will be taught two nights per week at Empire Electronics, 616 SW 152nd St. , Burien, starting in the early part of May, so time is short. Contact Don […]
I would like to comment briefly on my. experience running Don’ s program the first time. Like most of you, I have had very little to do with low level programming. With Don’s program, I was able to see at a glance how a BASIC line like “500 PRINT” translated into Hex bytes 08 F4 […]