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RMW
#redirect [[Category:Read-Modify-Write Instructions]]

53 bytes (4 words) - 19:03, 26 July 2023
Accumulator Addressing
There are six instructions that support '''Accumulator Addressing''' on the [[65c816]]: ...hem write to or read from external memory. They are all read-modify-write instructions.

2 KB (215 words) - 15:07, 11 August 2024
TSB
[[Category:Read-Modify-Write Instructions]] [[Category:Test-and-Change-Bits Instructions]]]

2 KB (230 words) - 17:50, 23 August 2024
TRB
[[Category:Read-Modify-Write Instructions]] [[Category:Test-and-Change-Bits Instructions]]]

2 KB (234 words) - 17:50, 23 August 2024
CLR1 (SPC700)
[[Category:Read-Modify-Write Instructions]] [[Category:Two-byte Instructions]]

2 KB (263 words) - 22:18, 13 July 2024
SET1 (SPC700)
[[Category:Read-Modify-Write Instructions]] [[Category:Two-byte Instructions]]

2 KB (280 words) - 04:25, 8 August 2024
ASL
[[Category:Group Two Instructions]] [[Category:Read-Modify-Write Instructions]]

3 KB (346 words) - 17:45, 23 August 2024
ROL
[[Category:Group Two Instructions]] [[Category:Read-Modify-Write Instructions]]

3 KB (353 words) - 17:44, 23 August 2024
LSR
[[Category:Group Two Instructions]] [[Category:Read-Modify-Write Instructions]]

3 KB (359 words) - 17:45, 23 August 2024
Direct Memory Access
...for that your best option is going to be the [[MVN]] and [[MVP]] [[65c816 Instructions]].

4 KB (673 words) - 06:14, 21 August 2024
DEC
[[Category:Group Two Instructions]] [[Category:Read-Modify-Write Instructions]]

3 KB (371 words) - 23:24, 27 September 2024
INC
[[Category:Group Two Instructions]] [[Category:Read-Modify-Write Instructions]]

3 KB (380 words) - 23:22, 27 September 2024
ROR
[[Category:Group Two Instructions]] [[Category:Read-Modify-Write Instructions]]

3 KB (379 words) - 03:51, 20 September 2024
OR (SPC700)
[[Category:Read-Modify-Write Instructions]]

2 KB (275 words) - 14:07, 30 July 2024
Eyes & Lichty
...3037893ProgrammingThe65816/page/94 Page 94] says the 65c816 has three push instructions that do not alter registers: [[PEA]], [[PEI]], and [[PER]]. But there are ...[[accumulator addressing]], a sentence implies that all read-modify-write instructions are unary, but [[TRB]] and [[TSB]] are not.

14 KB (1,698 words) - 17:15, 22 October 2024
RPIX (Super FX)
[[Category:Plot-related Instructions]] [[Category:Two-byte Instructions]]

1 KB (188 words) - 19:17, 30 July 2024
65c816 for 6502 developers
...2 code will continue to work on it without changes (provided only official instructions are used), but this guide intends to highlight some differences that you sh ...ze. One flag ("M") controls the size of accumulator operations, as well as read-modify-write operations like <code>INC</code> or <code>ASL</code> directly on a memory l

19 KB (3,489 words) - 12:34, 29 November 2023
MOVW (SPC700)
[[Category:Two-byte Instructions]]

2 KB (271 words) - 14:05, 30 July 2024
65c816
...2) is not used. There are 3 common registers which get used along with the instructions: Register [[Accumulator|A]], [[X Index Register|X]] and [[Y Index Register| A full list of opcodes can be found on the 65c816 instructions article.

3 KB (553 words) - 19:00, 17 August 2024
Official Documentation Quick Links
* [https://archive.org/details/SNESDevManual/book1/page/n27 Instructions for Super NES Software Specification] - page 1-2-10 * [https://archive.org/details/SNESDevManual/book2/page/n155 Multiplication Instructions] - page 2-8-16

56 KB (9,458 words) - 02:58, 30 November 2023