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TCALL (SPC700)
From SnesLab
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | Speed | ||||
| Implied (type 3) | 01 | 1 byte | 8 cycles | ||||
| Implied (type 3) | 11 | 1 byte | 8 cycles | ||||
| Implied (type 3) | 21 | 1 byte | 8 cycles | ||||
| Implied (type 3) | 31 | 1 byte | 8 cycles | ||||
| Implied (type 3) | 41 | 1 byte | 8 cycles | ||||
| Implied (type 3) | 51 | 1 byte | 8 cycles | ||||
| Implied (type 3) | 61 | 1 byte | 8 cycles | ||||
| Implied (type 3) | 71 | 1 byte | 8 cycles | ||||
| Implied (type 3) | 81 | 1 byte | 8 cycles | ||||
| Implied (type 3) | 91 | 1 byte | 8 cycles | ||||
| Implied (type 3) | A1 | 1 byte | 8 cycles | ||||
| Implied (type 3) | B1 | 1 byte | 8 cycles | ||||
| Implied (type 3) | C1 | 1 byte | 8 cycles | ||||
| Implied (type 3) | D1 | 1 byte | 8 cycles | ||||
| Implied (type 3) | E1 | 1 byte | 8 cycles | ||||
| Implied (type 3) | F1 | 1 byte | 8 cycles | ||||
| Flags Affected | |||||||
|---|---|---|---|---|---|---|---|
| N | V | P | B | H | I | Z | C |
| . | . | . | . | . | . | . | . |
TCALL (Table CALl) is an SPC700 instruction that calls a subroutine in the uppermost page. The low byte of the effective address which is called is a function of the high nibble of the opcode. The high byte of the effective address is always $FF.
See Also
External Links
- Official Nintendo documentation on TCALL: Appendix C-9
- anomie's SPC700 doc