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Break Flag: Difference between revisions

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(see also)
(Inherited from 6502)
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[[Category:SPC700]]
[[Category:SPC700]]
[[Category:Flags]]
[[Category:Flags]]
[[Category:Inherited from 6502]]


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

Revision as of 23:17, 21 July 2024

The Break Flag (B) exists on the SPC700, as bit 4 of the Program Status Word. It discerns between IRQs and BRK.

BRK and PHP set the break flag. IRQs and NMIs clear it. [1]

In emulation mode the 65c816 has a break flag too.

See Also

References

  1. https://problemkaputt.de/fullsnes.htm#cpuregistersandflags
  2. Eyes & Lichty, page 422, Table 18.2. 65x Flags. https://archive.org/details/0893037893ProgrammingThe65816/page/422