From 1462ad2a319fbd02a94b1d29b49e2d0172babd46 Mon Sep 17 00:00:00 2001
From: Tom Everett <tom@khubla.com>
Date: Tue, 1 Mar 2016 17:48:38 -0700
Subject: [PATCH] multiple labels per line

---
 antlr/pdp7asm.g4 | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/antlr/pdp7asm.g4 b/antlr/pdp7asm.g4
index 7954709..03827b1 100644
--- a/antlr/pdp7asm.g4
+++ b/antlr/pdp7asm.g4
@@ -44,8 +44,9 @@ declarations
    : declaration (';' declaration)*
    ;
 
+//  multiple labels can occur on the same line
 declaration
-   : label? (instruction | assignment | expression)?
+   : label* (instruction | assignment | expression)?
    ;
 
 instruction
@@ -200,6 +201,7 @@ opcode
    | 'crrb'
    | 'sys'
    | 'czm'
+   | 'irss'
    ;
 
 LOC