Merge pull request #160 from Movax12/definedinstr

.DEFINEDINSTR
2015-06-04 22:05:00 +02:00
parent fe023a1218 c30d87f0b7
commit a13284a792
5 changed files with 55 additions and 0 deletions
--- a/doc/ca65.sgml
+++ b/doc/ca65.sgml
@@ -2316,6 +2316,24 @@ Here's a list of all control commands and a description, what they do:
  </verb></tscreen>


+<sect1><tt>.ISMNEM, .ISMNEMONIC</tt><label id=".ISMNEMONIC"><p>
+
+  Builtin function. The function expects an identifier as argument in braces.
+  The argument is evaluated, and the function yields "true" if the identifier
+  is defined as an instruction mnemonic that is recognized by the assembler.
+  Example:
+
+  <tscreen><verb>
+  	.if  	.not .ismnemonic(ina)
+  	  	.macro ina
+  	  	  	clc
+  	  	  	adc #$01
+  	  	.endmacro
+  	.endif
+
+  </verb></tscreen>
+
+
 <sect1><tt>.DESTRUCTOR</tt><label id=".DESTRUCTOR"><p>

  Export a symbol and mark it as a module destructor. This may be used