Questions tagged [apple-iigs]
For questions related to the Apple IIgs computer.
39 questions
0 votes
0 answers
157 views
Spy format expert part 2 (Apple IIgs)
Recently I asked a question about an error in the Spy format expert program when starting. Then they helped me fix this program, but there are still some mysteries and questions related to it. The ...
4 votes
1 answer
2k views
How to get code of a program that decrypts itself?
How does one decompile to source code a program that decrypts itself? This particular program runs on an Apple IIgs.
10 votes
1 answer
954 views
Apple IIgs program SHGR problem
I encountered a problem on the GSPlus emulator. When I want to run a program, the message appears on the screen: SHGR buffer already allocated. After that, the GS reboots and the program does not ...
4 votes
1 answer
479 views
Has anyone run the Dhrystone MIPS 2.1 benchmark on a stock, 2.8MHz, Apple IIgs?
I can't find any Dhrystone MIPS figures for the Apple IIgs, be it the stock 2.8 MHZ WDC 65C816 variant, or any of the overclocked or accelerator card packing variants. Has anyone tried the benchmark ...
4 votes
0 answers
457 views
How does the Apple IIgs color compare to the Apple Macintosh color?
There has been an interesting discussion of how to convert Classic Macintosh Color to sRGB, which begs a second question. How does color on the IIgs compare to that of Classic Macintosh? I'm asking ...
2 votes
1 answer
2k views
How to write Apple IIgs .po disk images to Floppy Disks with an older Mac
I recently acquired an Apple IIgs with two 3.5" floppy drives and no hard disk. I'm very seasoned with older Macs, but I have no experience within the Apple II world. I search for a way to create ...
8 votes
2 answers
796 views
Could the Apple IIGS play any and all Amiga MOD files?
The Apple IIGS has a wavetable synthesis sound chip with dedicated 64 kilobytes of RAM. I assume the sound architecture dictates that samples have to be loaded into that dedicated RAM to be able to be ...
2 votes
1 answer
404 views
How to load into FAST RAM on Apple IIgs?
The Apple IIgs (last, ROM03 version) came with 128K of standard RAM and 1M of FAST RAM. The distinguishing characteristic of the FAST RAM is that code running from there can run at 2.8 MHz instead of ...