added '%ir' to write inline IR code, '%asm' is now only for real 6502 assembly.

(%ir is probably only used in the library modules for the virtual machine target)

codeCore/src/prog8/code/ast/AstBase.kt

@@ -96,7 +96,7 @@ class PtBlock(name: String,
 }
 
 
-class PtInlineAssembly(val assembly: String, position: Position) : PtNode(position) {
+class PtInlineAssembly(val assembly: String, val isIR: Boolean, position: Position) : PtNode(position) {
     override fun printProperties() {}
 }