HP-29C: 98 Program Steps, So, why not an even 100?

[bshoring]

(08-31-2019 09:41 PM)teenix Wrote:  

(08-31-2019 01:20 PM)rprosperi Wrote:  Are the Nj numbers stored in some packed format, using something like the 1 x 2-digit Nj per byte as Bob suggested?

Hi Bob,

Attached a memory image from HP38.

I entered the problem on page 55 of user manual and also added 3 more "dummy" entries with Nj as 9, 8 and 4.

They seem to start at register 32 nibble 11 and 10, progressing downwards to 1 and 0, then jump to 13 and 12. Then more data appears in same order in next register (33). 2 nibbles per Nj.

cheers

Tony

Thanks, Tony, for this. Interesting. In R32, I can clearly see the 05, 04, 04, 03, 07 from the problem on page 55. Then in R33, I can see the 08 & 04. Great to be able to see this.

The HP-38C is my favorite, although my first was the HP-41CV and second was HP-11C (which I no longer have sadly). I do like the vertical format of the 38, and some others I have, like the 80, 22 & 37.