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Stack: Difference between revisions

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(grows towards zero)
(PLK)
Line 23: Line 23:
* [[PLX]]
* [[PLX]]
* [[PLY]]
* [[PLY]]
Note the lack of [[PLK]].


=== See Also ===
=== See Also ===

Revision as of 15:47, 22 July 2024

The Stack is a buffer which remembers the state of subroutines that are currently executing.

On the 65c816, the stack is always in bank zero. It can be thousands of bytes deep.[1]

In emulation mode it wraps within page one.[2]

The stack grows towards zero. These instructions push things to the stack:

These instructions pull things from the stack:

Note the lack of PLK.

See Also

Reference

  1. https://wilsonminesco.com/816myths
  2. Clark, Bruce. http://www.6502.org/tutorials/65c816opcodes.html#5.1.1