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Direct Page Register: Difference between revisions

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(point to zp on powerup)
(not just power up, but reset too)
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The '''Direct Page Register''' exists on the [[65c816]] and is 16 bits wide.<sup>[1]</sup>
The '''Direct Page Register''' exists on the [[65c816]] and is 16 bits wide.<sup>[1]</sup>


The direct page register is cleared to point to the [[zero page]] on power-up.
The direct page register is cleared to point to the [[zero page]] on reset.


=== See Also ===
=== See Also ===
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=== References ===
=== References ===
# page 5 of the official 65c816 datasheet: https://www.westerndesigncenter.com/wdc/documentation/w65c816s.pdf
# page 5 of the official 65c816 datasheet: https://www.westerndesigncenter.com/wdc/documentation/w65c816s.pdf
# page 7, lbid.


[[Category:ASM]]
[[Category:ASM]]
[[Category:Registers]]
[[Category:Registers]]
[[Category:65c816 additions]]
[[Category:65c816 additions]]

Revision as of 07:43, 19 December 2023

The Direct Page Register exists on the 65c816 and is 16 bits wide.[1]

The direct page register is cleared to point to the zero page on reset.

See Also

References

  1. page 5 of the official 65c816 datasheet: https://www.westerndesigncenter.com/wdc/documentation/w65c816s.pdf
  2. page 7, lbid.