From dd0e4224c93c1b94b7b9fd06e9ab08105e19845f Mon Sep 17 00:00:00 2001
From: Duncan Smith
Date: Fri, 12 Nov 2010 22:34:36 -0800
Subject: Added support for local labels in opcodes

I tried to use A68k's local label support, but I believe it was
broken.  Now I can use it, finally. :)
---
 opcodes.inc.m4 | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'opcodes.inc.m4')

diff --git a/opcodes.inc.m4 b/opcodes.inc.m4
index d7343e8..cbaafb9 100644
--- a/opcodes.inc.m4
+++ b/opcodes.inc.m4
@@ -2,6 +2,10 @@ dnl # change the comments to match the assembler.  Prevents/reduces
 dnl # confusion, since m4 likes to use ' as a quoting character.
 changecom(;)dnl
 define(`OPCODE',`	START
+dnl # This little bit of trickery lets me define a local label.
+dnl # Calling local(end) inside of OPCODE(10, ...) will expand to
+dnl # end_10, and is undefined everywhere else.
+define(`local',$`'1_``$1'')dnl
 `emu_op_'$1`:'
 $2
 	TIME	$3
-- 
cgit v1.2.3