We've just updated MediaWiki and its underlying software. If anything doesn't look or work quite right, please mention it to us. --RanAS
Version Code Register: Difference between revisions
From SnesLab
(open bus) |
(→References: fixed refs) |
||
| (One intermediate revision by the same user not shown) | |||
| Line 1: | Line 1: | ||
'''VC''' is 8 bits wide, located at 230Eh on [[SA-1]]. It is supposed to indicate the SA-1 device version<sup>[1]</sup>, but actually returns [[open bus]] | '''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 === | === 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 | # 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