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80 lines
3.9 KiB
Markdown
80 lines
3.9 KiB
Markdown
Apple //ix
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==========
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Apple2ix is an Apple //e emulator implemented primarily in C with x86, x86-64, and ARM assembly language for the 65c02 CPU emulation module. In addition you will find a smattering of interface code in Objective-C/Cocoa, Java/Android, and GLSL.
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Lineage
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-------
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Apple2ix derives from the apple2-emul-linux project originally coded by various developers in the mid 1990's and FTP-uploaded as source tarballs to the original `tsx-11.mit.edu` Linux archive.
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The original software was designed to work from the Linux console rendering via SVGAlib. It ran on par to the 1MHz Apple //e on an i386 (Pentium 100 class) or better machine. Later ports added X11 graphics support based on the original X11 DOOM source code drop, ty JC!
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As of November 2015, the resurrected Apple2ix runs on x64 MacOSX 10.9+, x64 Debian GNU/Linux, and ARM Android
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Project Goals
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-------------
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* Portability and code resilience across a wide range of modern platforms including MacOSX, desktop Linux/BSD, iOS, Android -- *But not Windows, just use the excellent [AppleWin](https://github.com/AppleWin/AppleWin) emulator if you're on Windows!*
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* Reasonable emulation fidelity to the original Apple //e machine (timing, video, audio, etc...)
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* Language minimalism for core emulation modules (prefer coding in POSIX C over all else), except for CPU module which should be in assembly
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* Good platform citizenship for menu system (prefer coding in language-of-choice promoted by platform--e.g.: Objective-C/Swift on Darwin, Java on Android, ...)
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Android
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[Available on Google Play](https://play.google.com/store/apps/details?id=org.deadc0de.apple2ix.basic).
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Running at 30FPS on Gingerbread (Android 2.3.3):
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Running at 60FPS on Nexus 6 running Lollipop (Android 5.1.1):
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Mac Package
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-----------
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A binary package for Macintosh is available at [deadc0de.org](http://deadc0de.org/Apple2Mac/Apple2Mac-0.9.dmg)
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Size : 10240000 (10MB)
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SHASUM : 81f2d55c2daaa0d3f9b33af9b50f69f6789738bf
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Alt Size : 76820480 (75MB)
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ALTSUM : 488a40d7f1187bcfd16d0045258f606a95f448cb
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Linux+ Package
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--------------
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For Linux and *BSD, I do not personally relish being a package/port maintainer, so you should `./configure --prefix=...`, `make`, `make install` like it's 1999 ;-)
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You will need GCC or Clang compiler and other tools as determined by the `configure` script. Use the source!
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Project Tech
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------------
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* C language for the majority of the project (still the most portable/reliable language after all these years ;-)
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* x86 and ARM assembly language for 65c02 CPU tightloop
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* Extensive tests for 65c02 CPU, Apple //e VM, disks, and display (expected framebuffer output)
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* OpenGLES 2.x graphics with GLSL shaders
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* OpenAL and OpenSLES audio (emulated speaker and emulated Mockingboard/Phasor soundcards)
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* Objective-C and Cocoa APIs (Mac/iOS variant)
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* Java and Android APIs (Android app)
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Semi-Ordered TODO
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-----------------
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* DHIRES graphics are ugly, fix 'em
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* iOS/iWatch ports
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* Proper VBL timing and vSync matching to the device (if available)
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* OpenGL shaders/tricks for style (various screen artifacts) and functionality (Disk ][ status overlays, etc)
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* Emulator save/restore and image compatibility with AppleWin
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* Other feature parity with AppleWin
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* Improved debugger routines (CLI/curses debugger?)
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* CPU module variants as-needed in aarch64, plain C, Clang IR, ...
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* Emscripten/web frontend?
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