libx48ng/README.md

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# x48ng -- HP48 CPU emulator
(I'm not very good at writing, see ./README_0.6.4 for the original README)
This is my fork of x48-0.6.4 where I deviate from the original code and do my own thing.
## What have I done:
0. renamed it to x48ng to avoid confusion
1. merged in a SDL1 version I found @ https://code.google.com/archive/p/x48-sdl/source/default/source
2. removed the code supporting Solaris, HP-UX, etc.
3. removed the autotools-based build system and wrote a simple Makefile instead
4. added a x48ng.desktop file and an icon
5. refactoring as a way to explore/understand the codebase
## Bugs to fix
See https://github.com/gwenhael-le-moine/x48ng/issues
## What more I would like to do:
### short term
- make different gui switchable at runtime
- port from sdl1.2 to sdl2
- add an text UI (ncurses & drawille)
### long(er) term
- GUI in gtk(4)?
- support the HP49g ROM?
## Compilation
### Dependencies (see .github/workflows/c-cpp.yml for debian packages names)
- readline
for SDL version:
- SDL_gfx1
- SDL 1.2
for x11 version:
- x11
## Installation
1. Run `sudo make install PREFIX=/usr DOCDIR=/usr/doc/x48ng MANDIR=/usr/man DESTDIR=/tmp/package` filling in your own values for PREFIX, DOCDIR, MANDIR and DESTDIR.
2. once installed run `/usr/share/x48ng/setup-x48ng-home.sh` to setup your ~/.x48ng/. It sets up a HP 48GX with a 128KB card in port 1 and a 4MB card in port 2
3. run `x48ng` and enjoy
## Development
- `make FULL_WARNINGS=yes` to compile with all warnings
- `make clean` and `make mrproper` to clean between compilation runs
- `make pretty-code` to format the code using `clang-format` and the provided `.clang-format`
## Friends and inspiration
- https://github.com/gwenhael-le-moine/x48 (original x48 slightly touched but not too much)
- https://github.com/shagr4th/droid48 (x48 ported to Android)
- https://hp.giesselink.com/emu48.htm (The Emu48)
- https://github.com/dgis/emu48android (Emu48 ported to Android)
- https://github.com/gwenhael-le-moine/jsEmu48 (another HP 48 emulator)