LinApple
An Apple 2, 2e cross-platform emulator
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LinApple
An Apple 2, 2e cross-platform emulator
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The point is that I've been exploring the Internet looking for decent working emulator of my favorite 8bit computer - Apple][ - for my Linux desktop.
But I could not find the one! I could not believe it - Linux is the leading powerful operation system, and nowadays there is NO ONE working emulator for the greatest computer of the past - Apple][. But the truth is.
Yes, I know, there is KEGS -brilliant piece of code written by Kent Dickey for current most spread-wide OSes, including Linux. But KEGS is emulator of Apple2GS computers, which is although compatible is not as a real Apple][, agree.
There is also XAPPLE, but it is obsolete and does not want to run on my modern Linux desktop.
There are few others, including YAE - Yet Another Apple2 Emulator, but they also are obsolete and not usable, or expecting rather strange things.
So, what you think I had to do? Yes, to write my own emulator, which could be run easily on my modern Linux desktop.
AppleWin (https://github.com/AppleWin), in my opinion is the best emulator of Apple2 series computers. It is ever-growing, open-sourced, powerful, it emulates lots of things Apple2 can do, including such rare hardware as Mockingboard/Phasor, Hard Disks support and Mouse Interface. First started in far 1994-1996 by Michael O'Brien and later caught up by Thomas Charlesworth, who maintains it nowadays.
AppleWin is almost perfect, but it has one disadvantage - it can not be runned on Linux!
So, instead of inventing a wheel, I decided to port AppleWin to Linux, using SDL library (Simple DirectMedia Layer) and changing all Windows API functions to their POSIX equivalents.
And I rolled up my sleeves and started to work, and in about half-week of unceasing work I could compile changed sources and run it. The result was amazing to me, at least. IT WORKED! I could distinguish flashing cursor at the bottom of the filthy window, and that was my star hour! See this screen on one of the earliest screenshots of LinApple.
In a couple of weeks of debugging and testing emulator became what we can see it now - a real working powerful emulator of Apple][ series computers under Linux, working right out of the box! To be more precise, it is not just for Linux, but for any POSIX-compliant OS which supports SDL library.
First name I thought about was AppleLin - in analogue of AppleWin, its predessor. But later I changed my mind and decided to name it LinApple - LINux emulator of APPLE][, Apple][+, Apple//e, and Enhanced Apple//e computer. It works out of the box and emulates almost everything AppleWin can, but several things.
First of all, it needs a DEBUGGER. I just owe at 9300 lines of code in Debug.cpp of AppleWin written by Michael Pohoreski. And this is just main debugger source file, there are also Debugger_Assembler.cpp, Debugger_Console.cpp and others. I think may be we need some easier implementaion of debugger, which eariler AppleWin had, what do you think?
Ok, next great thing missing in LinApple is PHASOR support. Although there are few Apple][ programs and games using it, it'd be welcome in our emulator, in my humble opinion.