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SM (Super FX): Difference between revisions

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(The ALT0 state is restored.)
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Revision as of 00:24, 13 July 2024

Basic Info
Addressing Mode Opcode Length ROM Speed RAM Speed Cache Speed
3EFnxxxx 4 bytes 12 to 17 cycles 16 to 20 cycles 4 to 9 cycles
Flags Affected
B ALT1 ALT2 O/V S CY Z
0 0 0 . . . .

SM is a Super FX instruction that stores a value to the Game Pak.

The number of cycles varies because of the RAM buffer.

The ALT0 state is restored.

Syntax

SM (xx), Rn

Example

Let:

R4 = 438ch
RAMBR = 70h

After executing SM (0b492h), R4:

(70:b492h) = 8ch
(70:b493h) = 43h

See Also

External Links