Just like the title says...
The 'font' stays in eeprom (need a PIC with a minimum of 512 bytes, otherwise characters will get dropped) and minimal ram is needed (37 bytes).
If you're tacking this program onto something else, pay attention to the variable names. Maybe go back and pre-pend them all with CGLCD or something to keep them from getting overwritten or overwriting something important to you...
Next up...the font goes into program memory instead of ram or eeprom. Should open up the code to practically every PIC out there with at 2K of program memory and more than 37 bytes of ram (most PICs except for the 10Fxxx and some of the 12F series)...
After that, the shape drawing routines, and maybe some 3D functions I've been playing with...
EDIT: Found a bug...pulled the code for now...will have new stuff up later tonight...
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