> Marco DI LEO <PICLIST@MITVMA.MIT.EDU> wrote:
>
> > Please double check your statement. I just downloaded from my page
> > the tea11.zip file and compiled tea.asm with the enclosed
> > teatest.asm and math32.inc. After the call at TEAenc
> > ....
> > you can see my code produces the correct values (0x41ea3a0a
> > 0x94baa940). I don't know wy you get the cited result. Have you used

> > the test drive code I supply or did you write another
>
> Marco:
>
> I just ran your code again, and it produced the same (incorrect)
> results that I mentioned earlier.
>
> I used your TEATEST.ASM front-end, your MATH32.INC file, the
> P16F84.INC file distributed with MPASM, and MPLAB-SIM 3.32.18.
>
> I'll take a third look at it later this afternoon and let you know
> what I discover.
>
> -Andy
>
> === Andrew Warren - fastfwd@ix.netcom.com
> === Fast Forward Engineering - Vista, California
> === http://www.geocities.com/SiliconValley/2499 (personal)
> === http://www.netcom.com/~fastfwd (business)

Andy,

I think I found the nature of the problem you are experimenting with my
TEA code.
After your note on the erratic results from my tea11.zip, I got crazy
trying to reproduce the results you reported. I ran a complete set of
tests both on a reference machine running the original 'C' code by
Wheeler and Needham and on my MPLAB 3.40. I did the same with the TEA-N
code and the results from every test matched each other.

Because of the mail messages I was receiving I decided to put a
reference
sheet on my page at http://members.tripod.com/~mdileo/ so everyone could

test the code by himself. I didn't get yet any feedback on this.

Determined to solve the puzzle I went home (where I am currently),
downloaded my code from internet and I compiled it on MPLAB 3.31.

I ran the program and I GOT THE SAME RESULT YOU REPORTED!!

While I was thinking about the possible cause of this strange
behaviour, a ligth bulb suddenly shined over me, I smacked my hand on my

head, opened the Option > Development Mode menu, set the processor to
SIMulate a PIC16_F_84 and everything went just fine.
I guess there are some problems to get a processor with 36 bytes of RAM
running a program that needs 37 of them!!

Please check if you have this sort of problem in your configuration
and let me know if the error went away.

Ciao
  Marco

BTW: my TEA-N code don't have the same problem since it just use 33
bytes of memory.