[Coco] BASIC irony

[tim lindner]

tim lindner <tlindner at ix.netcom.com> wrote:


> I fired up the emulator and found out that Color BASIC seems to crap out

> in the rage of 64XXX. 63999 is a valid line number, but anything higher

> returns an error. I can't even RENUM the program higher than 63999

> 

> Interesting. I'll have to look into the source regarding this.


So I looked into the source. It seems 63999 is the largest Color BASIC
line number becuase allowing any larger numbers could result in the
ASCII to integer code overflowing.

I did try hacking a larger line number and the program ran fine: if you
can let the program fall thru to the large line numbers. Issuing a GOTO
to a large line number results in a ?SN ERROR.

Also trying to delete or EDIT a existing large line numbered line causes
a ?SN ERROR. RENUM does work as expected.

Another break from the Dartmuth standard is that Color BASIC _will_ list
lines larger than 63999.

-- 
tim lindner
tlindner at ix.netcom.com