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ADD (Super FX): Difference between revisions
From SnesLab
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Unlike with [[ADC (Super FX)|ADC]], [[CY]] is not an addend. | Unlike with [[ADC (Super FX)|ADC]], [[CY]] is not an addend. | ||
==== Syntax ==== | |||
<pre> | |||
ADD Rn | |||
ADD #n | |||
</pre> | |||
=== See Also === | === See Also === | ||
Revision as of 01:40, 4 July 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | ROM Speed | RAM Speed | Cache Speed | ||
| Implied (type 1) | 5n | 1 bytes | 3 cycles | 3 cycles | 1 cycle | ||
| Immediate | 3E5n | 2 bytes | 6 cycles | 6 cycles | 2 cycles | ||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| B | ALT1 | ALT2 | O/V | S | CY | Z | ||
| 0 | 0 | 0 | . | . | . | . | ||
ADD is Super FX instruction that performs an addition. The source register is always an addend. The other addend may be any of the 16 R registers or an immediate value. The sum is stored in the destination register.
Unlike with ADC, CY is not an addend.
Syntax
ADD Rn ADD #n
See Also
External Links
- Official Nintendo documentation on ADD: Page 2-9-5 of Book II
- ADD with immediate addressing: Page 2-9-6 of Book II