We've just updated MediaWiki and its underlying software. If anything doesn't look or work quite right, please mention it to us. --RanAS
EOR1 (SPC700): Difference between revisions
From SnesLab
(13-bit absolute addressing) |
(Clobbered -> affected) |
||
| Line 14: | Line 14: | ||
{| class="wikitable" style="float:right;clear:right;width:30%" | {| class="wikitable" style="float:right;clear:right;width:30%" | ||
!colspan="8"|Flags | !colspan="8"|Flags Affected | ||
|+ | |+ | ||
|N | |N | ||
Revision as of 07:58, 20 November 2023
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| 13-bit Absolute | 8A | 3 bytes | 5 cycles | ||||
| Flags Affected | |||||||
|---|---|---|---|---|---|---|---|
| N | V | P | B | H | I | Z | C |
| . | . | . | . | . | . | . | |
EOR1 is an SPC700 instruction that performs an exclusive or between a memory bit and the carry flag and stores the sum in the carry flag. The low 13 bits of the operand specify an absolute address. The high 3 bits of the operand specify which bit at that absolute address.
See Also
External Links
- Official Super Nintendo development manual on EOR1: Appendix C-9 of Book I