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CALL (SPC700): Difference between revisions
From SnesLab
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=== External Links === | === External Links === | ||
# Official Nintendo documentation on CALL: [https://archive.org/details/SNESDevManual/book1/page/n234 Appendix C-9 of Book I] | # Official Nintendo documentation on CALL: Table C-16 in [https://archive.org/details/SNESDevManual/book1/page/n234 Appendix C-9 of Book I] | ||
# [https://www.romhacking.net/documents/197 anomie's spc700 doc] | # [https://www.romhacking.net/documents/197 anomie's spc700 doc] | ||
Revision as of 09:34, 20 November 2023
| 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]
See Also
External Links
- Official Nintendo documentation on CALL: Table C-16 in Appendix C-9 of Book I
- anomie's spc700 doc