Identify trap AA7F as _MPDispatch

OS/DispTable.a

@@ -963,7 +963,7 @@ FirstTool
 	ToolBox	$26E								; toolbox trap $26E (unknown)		<C146> <C413>
 	ToolBox	$26F								; toolbox trap $26F (unknown)		<C146> <C413>
 	DCB.L	15,0								; toolbox trap $270-$27E (unknown)		<C146>
-	ToolBox	$27F,NKLog
+	ToolBox	$27F,MPDispatchStubTrap
 	DCB.L	16,0								; toolbox trap $280-$28F (unknown)		<C146>
 	ToolBox	$290,InitPalettes					; toolbox trap $290		<02Jun87 DAF>
 	ToolBox	$291,NewPalette						; toolbox trap $291		<02Jun87 DAF>

OS/MPDispatchStub.a

@@ -1,3 +1,6 @@
+; This ROM implementation of the MPDispatch trap (AA7F) only implements two
+; selectors, both for writing to the NanoKernel framebuffer/serial log.
+
 ; To print a C string:
 ;		PEA		@cstring
 ;		MOVE	#-3, -(SP)
@@ -10,7 +13,7 @@
 ;		DC.W	$AA7F
 
 
-NKLog	PROC	EXPORT
+MPDispatchStubTrap		PROC	EXPORT
 		CmpI	#-3, $4(SP)
 		BEQ.S	NKxprintf
 

OS/OS.make

@@ -93,7 +93,7 @@ OSObjs	= 							"{ObjDir}BCScreenRelated.o"
 									"{ObjDir}MiscPatches.a.o"						¶
 									"{ObjDir}PowerMgr.o"							¶
 									"{ObjDir}VMPatches.a.o"							¶
-									"{ObjDir}NKLogShim.a.o"							¶
+									"{ObjDir}MPDispatchStub.a.o"					¶
 									"{ObjDir}Dispatch.a.o"							¶
 									"{ObjDir}UniversalTables.a.o"					¶
 									"{ObjDir}NKEventGroupRelated.a.o"				¶
@@ -283,8 +283,8 @@ OSObjs	= 							"{ObjDir}BCScreenRelated.o"
 	Asm {StdAOpts} -o "{Targ}" "{OSDir}VMPatches.a"
 
 
-"{ObjDir}NKLogShim.a.o"			Ä	"{OSDir}NKLogShim.a"
-	Asm {StdAOpts} -o "{Targ}" "{OSDir}NKLogShim.a"
+"{ObjDir}MPDispatchStub.a.o"	Ä	"{OSDir}MPDispatchStub.a"
+	Asm {StdAOpts} -o "{Targ}" "{OSDir}MPDispatchStub.a"
 
 
 "{ObjDir}NKEventGroupWrapper.a.o"	Ä	"{OSDir}NKEventGroupWrapper.a"