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Version Code Register: Difference between revisions
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'''VC''' is 8 bits wide, located at 230Eh on [[SA-1]]. It | '''VC''' is 8 bits wide, located at 230Eh on the [[SA-1]]. It is supposed to indicate the SA-1 device version<sup>[1]</sup>, but actually returns [[open bus]]:<sup>[2]</sup> | ||
=== | * Reading $230E returns $23 | ||
* Reading $80:230E returns $80 | |||
=== References === | |||
# 4.1.46 on [https://archive.org/details/SNESDevManual/book2/page/n56 page 1-4-35 of Book II] of the official Super Nintendo development manual | |||
# https://forums.nesdev.org/viewtopic.php?p=237540#p237540 | |||
[[Category:SA-1]] | [[Category:SA-1]] | ||
[[Category:Registers]] | [[Category:Registers]] | ||
Latest revision as of 17:29, 20 August 2024
VC is 8 bits wide, located at 230Eh on the SA-1. It is supposed to indicate the SA-1 device version[1], but actually returns open bus:[2]
- Reading $230E returns $23
- Reading $80:230E returns $80
References
- 4.1.46 on page 1-4-35 of Book II of the official Super Nintendo development manual
- https://forums.nesdev.org/viewtopic.php?p=237540#p237540