[HP 71B] Software for FRAM71 users

[dayd]

During development, I came across what might be a big bug in the JPC ROM (F04) in the RED$ function. With an empty string, at runtime the function through an error ‘String Overflow’. If you type directly RED$("") it freezes the computer and then INIT:1 does a CLAIM PORT on all the IRAMs at once, erasing all content of course! The same does not append with the DEVAL Lex file only. I removed the function from the code.