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IWT (Super FX): Difference between revisions

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=== Trivia ===
=== Trivia ===
The official Super Nintendo development manual mispells the mnemonic as "ITW" in the opcode diagram.<sup>[1]</sup>
The official Super Nintendo development manual mispells the mnemonic as "ITW" in the opcode diagram.<sup>[1]</sup> The low byte of the immediate value is loaded before the high byte.


=== See Also ===
=== See Also ===

Revision as of 21:05, 2 July 2024

Basic Info
Addressing Mode Opcode Length ROM Speed RAM Speed Cache Speed
Immediate Fnxxxx 3 bytes 9 cycles 9 cycles 3 cycle
Flags Affected
B ALT1 ALT2 O/V S CY Z
0 0 0 . . . .

IWT (Immediate Word Data?) is a Super FX instruction that loads two immediate bytes into a register. Any register from R0 to R15 may be specified.

Trivia

The official Super Nintendo development manual mispells the mnemonic as "ITW" in the opcode diagram.[1] The low byte of the immediate value is loaded before the high byte.

See Also

External Links

  1. Official Nintendo documentation on IWT: 9.43 on Page 2-9-62 of Book II