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CALL (SPC700): Difference between revisions
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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: [https://archive.org/details/SNESDevManual/book1/page/n234 Appendix C-9 of Book I] | ||
# anomie's spc700 doc | # [https://www.romhacking.net/documents/197 anomie's spc700 doc] | ||
[[Category:ASM]] | [[Category:ASM]] | ||
[[Category:SPC700]] | [[Category:SPC700]] | ||
[[Category:Subroutine Call Return Commands]] | [[Category:Subroutine Call Return Commands]] | ||
Revision as of 03:37, 24 July 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: Appendix C-9 of Book I
- anomie's spc700 doc