From 02fa3b014b28fbc4cfa7b04c13d9c36d28f2a9f2 Mon Sep 17 00:00:00 2001
From: Bryan Ashby <bryan@l33t.codes>
Date: Sat, 16 May 2020 17:37:51 -0600
Subject: [PATCH] ANSI FILE_ID.DIZ sometimes do not display correctly #244 *
 When parsing ANSI files, handle UNIX style LF's only vs "standard" DOS CRLF
 pairs

---
 core/ansi_escape_parser.js | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/core/ansi_escape_parser.js b/core/ansi_escape_parser.js
index 9786ea4c..88063bef 100644
--- a/core/ansi_escape_parser.js
+++ b/core/ansi_escape_parser.js
@@ -87,6 +87,7 @@ function ANSIEscapeParser(options) {
         let pos     = 0;
         let start   = 0;
         let charCode;
+        let lastCharCode;
 
         while(pos < len) {
             charCode = text.charCodeAt(pos) & 0xff; //  8bit clean
@@ -102,6 +103,12 @@ function ANSIEscapeParser(options) {
                     break;
 
                 case LF :
+                    //  Handle ANSI saved with UNIX-style LF's only
+                    //  vs the CRLF pairs
+                    if (lastCharCode !== CR) {
+                        self.column = 1;
+                    }
+
                     self.emit('literal', text.slice(start, pos));
                     start = pos;
 
@@ -126,6 +133,7 @@ function ANSIEscapeParser(options) {
             }
 
             ++pos;
+            lastCharCode = charCode;
         }
 
         //