adapted to Kick Assembler, some documentation update

c64/basic/,target_ultimate64/,hooks_ultimate64.s

@@ -1,9 +1,12 @@
 
-;; Target-specific hooks
+// Target-specific hooks
 
 
-.macro TARGET_HOOK_BANNER
+.macro TARGET_HOOK_BANNER() {
 
-	.byte "  OPEN ROMS FOR ULTIMATE 64", $0D, $0D, "  ", $00
+	.text "  OPEN ROMS FOR ULTIMATE 64"
+	.byte $0D, $0D
+	.text "  "
+	.byte $00
 
-.macend
+}