We've just updated MediaWiki and its underlying software. If anything doesn't look or work quite right, please mention it to us. --RanAS
Barrel Shifter: Difference between revisions
From SnesLab
(added page 1-8-5) |
(added 65c816 shifter) |
||
| Line 1: | Line 1: | ||
The [[SA-1]] has a '''barrel shift''' circuit that treats the [[Game Pak]] ROM as a bitstream. | The [[SA-1]] has a '''barrel shift''' circuit that treats the [[Game Pak]] ROM as a bitstream. | ||
The [[65c816]] also has a shifter connected to the [[ALU]] and 8-bit data bus. | |||
=== Reference === | === Reference === | ||
* [https://archive.org/details/SNESDevManual/book2/page/n81 page 1-8-1 of Book II] of the official Super Nintendo development manual | * [https://archive.org/details/SNESDevManual/book2/page/n81 page 1-8-1 of Book II] of the official Super Nintendo development manual | ||
* Figure 1-8-3 on [https://archive.org/details/SNESDevManual/book2/page/n85 page 1-8-5 of Book II], lbid. | * Figure 1-8-3 on [https://archive.org/details/SNESDevManual/book2/page/n85 page 1-8-5 of Book II], lbid. | ||
* Labiak, William. Figure 2.2: https://archive.org/details/Programming_the_65816/page/n43 | |||
[[Category:SA-1]] | [[Category:SA-1]] | ||
Revision as of 09:18, 7 December 2023
The SA-1 has a barrel shift circuit that treats the Game Pak ROM as a bitstream.
The 65c816 also has a shifter connected to the ALU and 8-bit data bus.
Reference
- page 1-8-1 of Book II of the official Super Nintendo development manual
- Figure 1-8-3 on page 1-8-5 of Book II, lbid.
- Labiak, William. Figure 2.2: https://archive.org/details/Programming_the_65816/page/n43