Cadillac Quadratic Solver behaving like an Edsel - Problem solved!!

[Paul Dale]

(09-16-2014 11:26 AM)Didier Lachieze Wrote:  A little shorter, using a user flag instead of register Z, same stack & Last X management:

Nice effort. I knew it could be improved.

Another step forward would be to preserve the flag as well by using an extra label and another subroutine level:

Code:

LBL T
FS? 4
GTO S
GSB S
CF 4
RTN

And change the sign function to always set flag 4 at the end instead of clearing it.


Pauli