SPARCOM 2.5.1 Library / Split Lib / Extend HP50g Home port size

[acapde]

I found the problem that prevented the NavPac software to run properly on an emulated HP50G. It seems that the emulator fails to handle functions addressing port 3. For example, :3:var_name VTYPE should return -1 (of course, that variable does not exist), however, the emulator returns an "insufficient memory" error. I confirmed the problem with VTYPE and RCL but I assume it might affect other commands. Wildcard :&: triggers the problem as well.
The real machine, even without a SD card, works well.

I "compiled" a new NavPac version, attached to this message, it should run well on real or virtual machines. It only searches for custom variables in port 0.

Any bug that you find, please let me know. Sail safe.