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MOVEW (Super FX): Difference between revisions
From SnesLab
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* [[MOVE]] | * [[MOVE]] | ||
* [[MOVES]] | * [[MOVES]] | ||
* [[MOVEB]] | |||
* [[LDW]] | * [[LDW]] | ||
* [[TO]] | * [[TO]] | ||
Latest revision as of 05:31, 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
Let:
R6 = 0822h (70:0822h) = 43h (70:0823h) = 96h RAMBR = 70h
After executing this program:
MOVEW R0, (R6)
We have:
R0 = 9643h
Example 3
Let:
R9 = bfa3h R10 = 4444h RAMBR = 71h
After executing this program:
MOVEW (R10), R9
We have:
(71:4444h) = a3h (71:4445h) = bfh
Example 4
Let:
R0 = 3151h R6 = 92a0h RAMBR = 71h
After executing this program:
MOVEW (R6), R0
We have:
(71:92a0h) = 51h (71:92a1h) = 31h
See Also
External Links
- Official Super Nintendo development manual on MOVEW: 9.64 on Page 2-9-90 of Book II