LMS (Super FX): Difference between revisions

Latest revision as of 05:47, 16 July 2024


Basic Info
Addressing Mode	Opcode	Length	ROM Speed	RAM Speed	Cache Speed
	3DAnkk	3 bytes	17 cycles	17 cycles	10 cycle


Flags Affected
B	ALT1	ALT2	O/V	S	CY	Z
0	0	0	.	.	.	.

LMS (Load from raM, Short address) is a Super FX instruction that is a short LM.

The ALT0 state is restored.

Syntax

LMS Rn, (yy)

Example

Let:

(70:1aah) = 32h
(70:1abh) = 92h
RAMBR = 70h

After executing this program:

Syntax            Opcode
LMS R₃, (1aah)    3d a3 d5

We have:

R₃ = 9232h

External Links

Official Nintendo documentation on LMS: 9.51 on page 2-9-71 of Book II
example: page 2-9-72 of Book II, lbid

@@ Line 1: / Line 1: @@
-'''LMS''' is a [[Super FX]] instruction that is a short LM.
+{| class="wikitable" style="float:right;clear:right;width:50%"
-{| class="wikitable" style="float:right;clear:right;width:40%"
 !colspan="8"|Basic Info
 |+
+|'''Addressing Mode'''
 |'''Opcode'''
 |'''Length'''
@@ Line 10: / Line 9: @@
 |'''Cache Speed'''
 |+
+|
 |3DAnkk
 |3 bytes
@@ Line 18: / Line 18: @@
 {| class="wikitable" style="float:right;clear:right;width:30%"
-!colspan="9"|Flags Clobbered
+!colspan="9"|Flags Affected
 |+
-|B
+|[[B Flag|B]]
-|ALT1
+|[[ALT1]]
-|ALT2
+|[[ALT2]]
-|O/V
+|[[O/V]]
-|S
+|[[Sign Flag|S]]
-|CY
+|[[CY]]
-|Z
+|[[Zero Flag|Z]]
 |+
 |0
@@ Line 36: / Line 36: @@
 |.
 |}
+'''LMS''' (Load from raM, Short address) is a [[Super FX]] instruction that is a short [[LM (Super FX)|LM]].
+The [[ALT0]] state is restored.
+==== Syntax ====
+<pre>
+LMS Rn, (yy)
+</pre>
+==== Example ====
+Let:
+ (70:1aah) = 32h
+ (70:1abh) = 92h
+ RAMBR = 70h
+After executing this program:
+ Syntax            Opcode
+ LMS R<sub>3</sub>, (1aah)    3d a3 d5
+We have:
+ R<sub>3</sub> = 9232h
+=== See Also ===
+* [[RAMB]]
+* [[ALT1]]
+* [[SMS]]
+* [[SM]]
 === External Links ===
-* Official Nintendo documentation on LMS: https://archive.org/details/SNESDevManual/book2/page/n227
+* Official Nintendo documentation on LMS: 9.51 on [https://archive.org/details/SNESDevManual/book2/page/n227 page 2-9-71 of Book II]
+* example: [https://archive.org/details/SNESDevManual/book2/page/n228 page 2-9-72 of Book II], lbid
 [[Category:ASM]]
 [[Category:Super FX]]
 [[Category:Data Transfer Instructions]]