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MOVEW (Super FX): Difference between revisions
From SnesLab
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==== Example 1 ==== | ==== Example 1 ==== | ||
Let: | |||
R<sub>3</sub> = 6480h | |||
(71:6480h) = 2eh | |||
(71:6481h) = c0h | |||
RAMBR = 71h | |||
After executing this program: | |||
MOVEW R<sub>5</sub>, (R<sub>3</sub>) | |||
; (R<sub>3</sub>) -> R<sub>5</sub> (low byte) | |||
; (R<sub>3</sub>+1) -> R<sub>5</sub> (high byte) | |||
We have: | |||
R<sub>5</sub> = c02eh | |||
==== Example 2 ==== | ==== Example 2 ==== | ||
==== Example 3 ==== | ==== Example 3 ==== | ||
Revision as of 03:00, 16 July 2024
MOVEW (Move Word) is a Super FX macro instruction that loads data from the Game Pak.
Syntax
MOVEW Rn, (Rn') MOVEW (Rn'), Rn
Example 1
Let:
R3 = 6480h (71:6480h) = 2eh (71:6481h) = c0h RAMBR = 71h
After executing this program:
MOVEW R5, (R3) ; (R3) -> R5 (low byte) ; (R3+1) -> R5 (high byte)
We have:
R5 = c02eh
Example 2
Example 3
See Also
External Links
- Official Super Nintendo development manual on MOVEW: 9.64 on Page 2-9-90 of Book II