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STB (Super FX)

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Revision as of 22:58, 8 July 2024 by Xetheria (talk | contribs) (number of cycles varies)
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Basic Info
Addressing Mode Opcode Length ROM Speed RAM Speed Cache Speed
3D3m 2 bytes 6 to 9 cycles 8 to 14 cycles 2 to 5 cycles
Flags Affected
B ALT1 ALT2 O/V S CY Z
0 0 0 . . . .

STB (Store Byte) is a Super FX instruction that stores the low byte of the source register to the Game Pak.

The operand may be any register from R0 to R11. The number of cycles can vary because of the RAM buffer.

Syntax

STB (Rm)

See Also

External Links

  • Official Super Nintendo development manual on STB: 9.83 on page 2-9-115