STOP (SPC700): Difference between revisions

Latest revision as of 09:16, 18 December 2023


Basic Info
Addressing Mode	Opcode	Length	Speed
Implied (type 3)	FF	1 byte	3 cycles


Flags Affected
N	V	P	B	H	I	Z	C
.	.	.	.	.	.	.	.

STOP is an SPC700 standby instruction. It hangs the S-SMP until reset. ^[2] Nintendo does not want you to use this instruction.^[3]

References

Official Super Nintendo development manual on STOP: Table C-20 in Appendix C-10 of Book I
https://problemkaputt.de/fullsnes.htm#snesapuspc700cpujumpcontrolcommands
Appendix C-1

@@ Line 1: / Line 1: @@
-'''STOP''' is an [[SPC700]] standby instruction.
+{| class="wikitable" style="float:right;clear:right;width:40%"
-{| class="wikitable" style="float:right;clear:right;width:30%"
 !colspan="8"|Basic Info
 |+
@@ Line 9: / Line 7: @@
 |'''Speed'''
 |+
-|implied
+|[[Implied]] (type 3)
 |FF
 |1 byte
@@ Line 16: / Line 14: @@
 {| class="wikitable" style="float:right;clear:right;width:30%"
-!colspan="8"|Flags Clobbered
+!colspan="8"|Flags Affected
 |+
-|N
+|[[Negative Flag|N]]
-|V
+|[[Overflow Flag|V]]
-|P
+|[[Direct Page Flag|P]]
-|B
+|[[Break Flag|B]]
-|H
+|[[Half-Carry Flag|H]]
-|I
+|[[Interrupt Enable Flag|I]]
-|Z
+|[[Zero Flag|Z]]
-|C
+|[[Carry Flag|C]]
 |+
 |.
@@ Line 36: / Line 34: @@
 |.
 |}
+'''STOP''' is an [[SPC700]] standby instruction.  It hangs the [[S-SMP]] until reset. <sup>[2]</sup>  Nintendo does not want you to use this instruction.<sup>[3]</sup>
 === See Also ===
 * [[NOP (SPC700)]]
 * [[SLEEP]]
+* [[STP]]
-=== External Links ===
+=== References ===
-* Official Super Nintendo development manual on STOP: [https://archive.org/details/SNESDevManual/book1/page/n235 Appendix C-10 of Book I]
+# Official Super Nintendo development manual on STOP: Table C-20 in [https://archive.org/details/SNESDevManual/book1/page/n235 Appendix C-10 of Book I]
+# https://problemkaputt.de/fullsnes.htm#snesapuspc700cpujumpcontrolcommands
+# [https://archive.org/details/SNESDevManual/book1/page/n226 Appendix C-1]
 [[Category:ASM]]
 [[Category:SPC700]]
+[[Category:Other SPC700 Commands]]
+[[Category:One-byte Instructions]]