[WP-34s] Swap question

[Didier Lachieze]

(05-16-2014 01:36 PM)Tugdual Wrote:  Finally is it possible to have indirect swap?
Something like:

Code:

R10=8, R11=9 R8=3, R9=4
SWAP ->R10, ->R11
would end up with R8=4 and R9=3

You can do that with 3 instructions:

Code:

h x<> -> 10
h x<> -> 11
h x<> -> 10

At the end the content of registers R8 and R9 has been swapped and the stack is unchanged.