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EOR1 (SPC700): Difference between revisions
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'''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. | '''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. | ||
==== Syntax ==== | |||
<pre> | |||
EOR1 C, mem. bit | |||
</pre> | |||
=== See Also === | === See Also === | ||
Revision as of 20:33, 6 July 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| Absolute Boolean Bit | 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.
Syntax
EOR1 C, mem. bit
See Also
External Links
- Official Super Nintendo development manual on EOR1: Table C-18 in Appendix C-9 of Book I
- subparagraph 8.2.3.3 of page 3-8-8, lbid.