From 398103c3b96f56b27a5d809227dd2ce64e3fea0a Mon Sep 17 00:00:00 2001
From: Steven Hugg <hugg@fasterlight.com>
Date: Fri, 5 Oct 2018 09:36:10 -0400
Subject: [PATCH] minor fixes

---
 src/platform/galaxian.ts | 2 +-
 src/views.ts             | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/platform/galaxian.ts b/src/platform/galaxian.ts
index e01af170..edffb41a 100644
--- a/src/platform/galaxian.ts
+++ b/src/platform/galaxian.ts
@@ -84,7 +84,7 @@ const _GalaxianPlatform = function(mainElement, options) {
       var sl2 = (sl + scroll) & 0xff;
       var vramofs = (sl2>>3)<<5; // offset in VRAM
       var yy = sl2 & 7; // y offset within tile
-      var tile = vram.mem[vramofs+xofs];
+      var tile = vram.mem[vramofs+xofs]; // TODO: why undefined?
 			var color0 = (attrib & 7) << 2;
       var addr = gfxBase+(tile<<3)+yy;
 			var data1 = rom[addr];
diff --git a/src/views.ts b/src/views.ts
index 0d73eb2a..d6c11a89 100644
--- a/src/views.ts
+++ b/src/views.ts
@@ -41,6 +41,8 @@ function getVisibleEditorLineHeight() : number{
 
 /////
 
+const MAX_ERRORS = 200;
+
 export class SourceEditor implements ProjectView {
   constructor(path:string, mode:string) {
     this.path = path;
@@ -161,6 +163,7 @@ export class SourceEditor implements ProjectView {
     // TODO: move cursor to error line if offscreen?
     this.clearErrors();
     var numLines = this.editor.lineCount();
+    errors = errors.slice(0, MAX_ERRORS);
     for (var info of errors) {
       // only mark errors with this filename, or without any filename
       if (!info.path || this.path.endsWith(info.path)) {