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Apple IIa
Custom ROM for the Apple IIe. Looks mostly like a real Apple IIe, but
when you type RUN, the code is compiled instead of interpreted.
Runs between 5 and 30 times faster.
Supported features: The classic way to enter programs with
line numbers, 16-bit integer variables, HOME, PRINT, IF/THEN,
FOR/NEXT, GOTO, low-res graphics (GR, PLOT, COLOR=, TEXT),
DIM (single-dimensional arrays), POKE, and integer and boolean arithmetic.
Not supported: Floating point, strings,
high-res graphics, DATA/READ/RESUME, GOSUB/RETURN/POP,
REM, multi-dimensional arrays, keyboard input, exponentiation (A^B), and cassette I/O.
Dependencies
Running
TREES=$HOME/path/to/github/trees make run