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CALL (SPC700): Difference between revisions
From SnesLab
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==== Syntax ==== | |||
<pre> | |||
CALL !abs | |||
</pre> | |||
=== See Also === | === See Also === | ||
Revision as of 19:14, 6 July 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| Absolute | 3F | 3 bytes | 8 cycles | ||||
| Flags Affected | |||||||
|---|---|---|---|---|---|---|---|
| N | V | P | B | H | I | Z | C |
| . | . | . | . | . | . | . | . |
CALL is an SPC700 instruction that calls a subroutine. The current program counter is pushed to the stack (high byte first, then low byte). Then the address following the opcode becomes the new value of the program counter.[2]
No flags are affected.
Syntax
CALL !abs
See Also
External Links
- Official Nintendo documentation on CALL: Table C-16 in Appendix C-9 of Book I
- anomie's spc700 doc