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LM (Super FX): Difference between revisions
From SnesLab
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'''LM''' (Load from raM) is a [[Super FX]] instruction that loads data from [[Game Pak]] RAM. | '''LM''' (Load from raM) is a [[Super FX]] instruction that loads data from [[Game Pak]] RAM. | ||
The [[ALT0]] state is restored. | |||
==== Syntax ==== | ==== Syntax ==== | ||
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LM Rn, (xx) | LM Rn, (xx) | ||
</pre> | </pre> | ||
==== Example ==== | |||
Let: | |||
(70:bacch) = 28h | |||
(70:bacdh) = 96h | |||
RAMBR = 70h | |||
After executing LM R<sub>9</sub>, (0bacch): | |||
R<sub>9</sub> = 9628h | |||
=== See Also === | === See Also === | ||
* [[Lunar Magic]] | |||
* [[LMS]] | * [[LMS]] | ||
* [[RAMB]] | * [[RAMB]] | ||
* [[ALT1]] | * [[ALT1]] | ||
* [[SM]] | |||
* [[SMS]] | |||
=== External Links === | === External Links === | ||
Latest revision as of 11:18, 31 July 2024
| Basic Info | |||||||
|---|---|---|---|---|---|---|---|
| Addressing Mode | Opcode | Length | ROM Speed | RAM Speed | Cache Speed | ||
| 3DFnxxxx | 4 bytes | 20 cycles | 21 cycles | 11 cycles | |||
| Flags Affected | ||||||||
|---|---|---|---|---|---|---|---|---|
| B | ALT1 | ALT2 | O/V | S | CY | Z | ||
| 0 | 0 | 0 | . | . | . | . | ||
LM (Load from raM) is a Super FX instruction that loads data from Game Pak RAM.
The ALT0 state is restored.
Syntax
LM Rn, (xx)
Example
Let:
(70:bacch) = 28h (70:bacdh) = 96h RAMBR = 70h
After executing LM R9, (0bacch):
R9 = 9628h
See Also
External Links
- Official Nintendo documentation on LM: 9.50 on Page 2-9-70 of Book II