From 511361fbb00d3dcdb088d93c64a0f645bdb21e58 Mon Sep 17 00:00:00 2001
From: Tom Everett <tom@khubla.com>
Date: Tue, 1 Mar 2016 18:18:52 -0700
Subject: [PATCH] closer

---
 antlr/pdp7asm.g4 | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/antlr/pdp7asm.g4 b/antlr/pdp7asm.g4
index 5f13066..a752f9a 100644
--- a/antlr/pdp7asm.g4
+++ b/antlr/pdp7asm.g4
@@ -46,7 +46,7 @@ declarations
 
 //  multiple labels can occur on the same line
 declaration
-   : label* (instruction | assignment | expression)?
+   : label* (instruction | assignment | expression)*
    ;
 
 instruction
@@ -198,6 +198,7 @@ opcode
    | 'sys'
    | 'czm'
    | 'irss'
+   | 'dsm'
    ;
 
 LOC
@@ -235,8 +236,9 @@ LABEL
    ;
 
 
+// the period is considered a letter
 IDENTIFIER
-   : [a-zA-Z] [a-zA-Z0-9]*
+   : [a-zA-Z] [a-zA-Z0-9.]*
    ;