New Apple //e ROM project
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2018-08-05 16:43:50 -07:00
.gitignore Break runtime into different C file. 2018-08-02 16:26:42 -07:00
apple2rom.cfg initial commit 2018-07-27 22:30:44 -07:00
crt0.s initial commit 2018-07-27 22:30:44 -07:00
exporter.h Add unary minus (negative). 2018-08-05 16:43:50 -07:00
exporter.s Add unary minus (negative). 2018-08-05 16:43:50 -07:00
interrupt.s initial commit 2018-07-27 22:30:44 -07:00
main.c Add unary minus (negative). 2018-08-05 16:43:50 -07:00
Makefile More efficient writing of machine code. 2018-08-05 12:00:59 -07:00
platform.c Scroll screen; remove volatile. 2018-08-02 18:59:31 -07:00
platform.h Scroll screen; remove volatile. 2018-08-02 18:59:31 -07:00
README.md Add unary minus (negative). 2018-08-05 16:43:50 -07:00
rom_usage.awk Make AWK script gawk-compatible. 2018-08-03 13:40:52 -07:00
runtime.c Add FOR/NEXT loops. 2018-08-04 23:38:44 -07:00
runtime.h Add FOR/NEXT loops. 2018-08-04 23:38:44 -07:00
supervision.lib use supervision.lib as lib source 2018-07-28 12:15:54 -07:00
vectors.s initial commit 2018-07-27 22:30:44 -07:00

Apple 2a

Custom ROM for the Apple 2e. Looks mostly like a real Apple 2e, 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), POKE, and integer and boolean arithmetic.

Not supported: Floating point, strings, high-res graphics, DATA/READ/RESUME, GOSUB/RETURN/POP, DIM (arrays), REM, keyboard input, exponentiation (A^B), and cassette I/O.

Dependencies

Running

TREES=$HOME/path/to/github/trees make run