We've just updated MediaWiki and its underlying software. If anything doesn't look or work quite right, please mention it to us. --RanAS

Direct Page Flag: Difference between revisions

From SnesLab
Jump to: navigation, search
(linkify direct page)
(capitalize)
Line 1: Line 1:
The '''direct page flag''' (P) exists on the [[S-SMP]], as bit 5 of the [[Program Status Word]].
The '''Direct Page Flag''' (P) exists on the [[S-SMP]], as bit 5 of the [[Program Status Word]].


When clear, the [[direct page]] is the zeropage (located at 0000h to 00FFh).
When clear, the [[direct page]] is the zeropage (located at 0000h to 00FFh).

Revision as of 13:07, 17 July 2024

The Direct Page Flag (P) exists on the S-SMP, as bit 5 of the Program Status Word.

When clear, the direct page is the zeropage (located at 0000h to 00FFh).

When set, the direct page is page one (located at 0100h to 01FFh).

The direct page flag is set by SETP and cleared by CLRP.

Reference