76 lines
1.9 KiB
Markdown
76 lines
1.9 KiB
Markdown
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# Linux
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## Structure
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There are 3 projects
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* libapple: the core emulator files
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* applen: a frontend based on ncurses
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* qapple: Qt frontend
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The libapple interface is a *link time* interface: some functions are not defined and must be provided in order to properly link
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the application. These functions are listed in [interface.h](source/linux/interface.h).
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The main goal is to reuse the AppleWin source files without changes: only where really necessary the AppleWin source files have
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been modified, mostly for
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* header files issues
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* const char *
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* STL constructor issues (see Disk_t and HDD)
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* exclude some Windows heavy blocks (source/MouseInterface.cpp)
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## What works
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Some key files have been completely reimplemented or discarded:
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* AppleWin.cpp
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* Video.cpp
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* Frame.cpp
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* NTSC.cpp
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Some features totally ignored:
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* NSTC colors
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* ethernet
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* serial port
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* sound
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* debugger
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* speech
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The rest is in a usable state.
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### applen
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Frontend based on ncurses, with a ASCII art graphic mode.
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Keyboard shortcuts
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* F2: terminate emulator
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* F12: Load Snapshot
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* ALT-LEFT: 2x narrower hi res graphics
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* ALT-RIGHT: 2x wider hi res graphis
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* ALT-UP: 2x vertical
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* ALT-DOWN: 2x vertical
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The joystick uses evdev.
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### qapple
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This is based on Qt, currently tested with 5.10
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* keyboard shortcuts are listed in the menu entries
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* graphics: code borrowed from linapple, no NTSC color
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* lo res in color
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* hi res in BW
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* joystick: it uses QtGamepad (correct names will only be displayed with 5.11)
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* emulator runs in the main UI thread
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* Qt timers are very coarse: the emulator needs to dynamically adapt the cycles to execute
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* full speed when disk spins execute up to 5 ms real wall clock of emulator code (then returns to Qt)
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## Build
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The project can be built using cmake.
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qapple can be managed from Qt Creator as well and the 2 have coexisted so far, but YMMV.
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The file version.hpp is generated by cmake.
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