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SUB (Super FX): Difference between revisions
From SnesLab
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* [[CMP (Super FX)]] | * [[CMP (Super FX)]] | ||
* [[SBC (Super FX)]] | * [[SBC (Super FX)]] | ||
* [[ALT2]] | |||
=== External Links === | === External Links === | ||
Revision as of 00:29, 6 July 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | ROM Speed | RAM Speed | Cache Speed | ||
| Implied (type 1) | 6n | 1 byte | 3 cycles | 3 cycles | 1 cycle | ||
| Immediate | 3E6n | 2 bytes | 6 cycles | 6 cycles | 2 cycle | ||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| B | ALT1 | ALT2 | O/V | S | CY | Z | ||
| 0 | 0 | 0 | ||||||
SUB is a Super FX instruction that performs a subtraction between the source register and an operand. The difference is stored in the destination register. The subtrahend may be any register from R0 to R15 or any immediate value from 0 to 15. The source register is the minuend.
Syntax
SUB Rn SUB #n
See Also
External Links
- Official Nintendo documentation on SUB: 9.86 on page 2-9-118 of Book II
- SUB with immediate addressing: 9.87 on page 2-9-119 of Book II