bbc-basic: Use distinct error numbers for all errors.
authorBen Harris <bjh21@bjh21.me.uk>
Sun, 7 Apr 2019 10:02:20 +0000 (11:02 +0100)
committerBen Harris <bjh21@bjh21.me.uk>
Sat, 18 May 2019 04:48:32 +0000 (05:48 +0100)
commit9809aa651b935ff069bafaa8a599ae02b34e824c
tree7af39e12b62fe8fd66384163d736bb83d73bbe10
parent3ab6b58b725dfc2eb9e766f61a712f6ea4497271
bbc-basic: Use distinct error numbers for all errors.

This is an improvement on always using error 1 ("Out of range").  Mal's
error numbers are taken from a random block in the range suggested by
the RISC OS Programmer's Reference Manual for use by applications.
bbc-basic/core
bbc-basic/printer
bbc-basic/step2_eval.bbc
bbc-basic/types