84PCE:Ports:003D

From WikiTI
Revision as of 21:04, 26 August 2016 by Jacobly (Talk | contribs)

(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search

Synopsis

Port Number: 003D-003E

Function: Memory Protection Range

003D (read-only)
bit 0: This is set if the stack protector is written to.
bit 1: This is set if protected memory or any port is written to.
bits 2-7: Unknown
003E (write-only)
Write a 1 to a bit to clear it in port 3D.