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

Address Bus B

From SnesLab
Revision as of 22:40, 1 August 2023 by Xetheria (talk | contribs) (some people like to think of it as 16-bits wide)
Jump to: navigation, search

Address Bus B, also known as the SNES bus, is 8-bits wide on the SNES Motherboard. Its individual address lines are labeled PA0-PA7, which stands for "peripheral address," as in S-CPU peripherals (not SNES peripherals). It is connected to:

It is drawn in purple in the colorized jwdonal schematic. Some people like to think of Address Bus B as being 16-bits wide, with the high byte being fixed to $21.[1]

See Also

Reference

  1. https://forums.nesdev.org/viewtopic.php?p=116505#p116505