WP31s error recovery

[Bit]

(03-04-2015 01:30 PM)Dieter Wrote:  I admit I only tried your 31s version (3748), so there is no DP mode. What exactly are the problems with DP and the Y-display?

With Y register display off, a big 'D' character in the upper left corner indicates double precision mode. The date mode indicator is right after that 'D' (if you aren't in D.MY mode). There's simply no space left for the dots. But if enable the NO_DATEMODE_INDICATION compile time option in features.h and sacrifice the date mode indicator, then the stack size indicator will appear in the upper left corner just as you suggested.

(03-04-2015 01:30 PM)Dieter Wrote:  Maybe I'd use a completely different solution: take advantage of the annunciators offered by the 20B/30B hardware. For instance, if SSIZE8 is the default, you could turn on the down-arrow indicator in SSIZE4 to indicate the lower stack height. ;-)

Seriously – wouldn't that be an elegant solution?

The down arrow is used to indicate lower case character entry in alpha mode in the 34S.

Have you seen the MODIFY_BEG_SSIZE8 compile time option? It makes the 'BEG' annunciator indicate an 8-level ('big') stack.