We've just updated MediaWiki and its underlying software. If anything doesn't look or work quite right, please mention it to us. --RanAS
TCLR1 (SPC700): Difference between revisions
From SnesLab
(→External Links: added anomie link) |
(made flags affected more prominent) |
||
| Line 25: | Line 25: | ||
|[[Carry Flag|C]] | |[[Carry Flag|C]] | ||
|+ | |+ | ||
| | |N | ||
|. | |. | ||
|. | |. | ||
| Line 31: | Line 31: | ||
|. | |. | ||
|. | |. | ||
| | |Z | ||
|. | |. | ||
|} | |} | ||
Revision as of 14:41, 30 July 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| Absolute | 4E | 3 bytes | 6 cycles | ||||
| Flags Affected | |||||||
|---|---|---|---|---|---|---|---|
| N | V | P | B | H | I | Z | C |
| N | . | . | . | . | . | Z | . |
TCLR1 is an SPC700 instruction that tests and clears memory bits using the accumulator. For every set bit in the accumulator, the corresponding memory bit is cleared.
Syntax
TCLR1 !abs
Where abs is any address in the whole 64K bank.
See Also
External Links
- Official Nintendo documentation on TCLR1: Table C-18 in Appendix C-9 of Book I
- subparagraph 8.2.3.2 of page 3-8-8, lbid.
- anomie: https://github.com/yupferris/TasmShiz/blob/master/spc700.txt#L606