diff --git a/src/ide/project.ts b/src/ide/project.ts
index 19692c74..fb7b1aa1 100644
--- a/src/ide/project.ts
+++ b/src/ide/project.ts
@@ -92,9 +92,9 @@ export class CodeProject {
         this.pushAllFiles(files, m[1]);
       }
     } else {
-      // for .asm -- [.]include "file"
+      // for .asm -- [.%]include "file"
       // for .c -- #include "file"
-      let re2 = /^\s*[.#]?(include|incbin)\s+"(.+?)"/gmi;
+      let re2 = /^\s*[.#%]?(include|incbin)\s+"(.+?)"/gmi;
       while (m = re2.exec(text)) {
         this.pushAllFiles(files, m[2]);
       }
diff --git a/src/platform/x86.ts b/src/platform/x86.ts
index a7213b3f..f2b09304 100644
--- a/src/platform/x86.ts
+++ b/src/platform/x86.ts
@@ -52,8 +52,9 @@ class FATFSArrayBufferDriver {
   
 class X86PCPlatform implements Platform {
 
-    mainElement;
-    video;    
+    mainElement : HTMLElement;
+    video : RasterVideo;
+    console_div : HTMLElement;
 
     emulator;
     v86;
@@ -99,10 +100,13 @@ class X86PCPlatform implements Platform {
 
         this.video = new RasterVideo(this.mainElement,640,480,{overscan:false});
         this.video.create();
+
         var div = document.createElement('div');
         div.classList.add('pc-console');
         div.classList.add('emuvideo');
         this.mainElement.appendChild(div);
+        this.console_div = div;
+        this.resize(); // set font size
 
         this.emulator = new V86Starter({
             memory_size: 2 * 1024 * 1024,
@@ -133,6 +137,12 @@ class X86PCPlatform implements Platform {
         });
     }
 
+    resize() {
+        // set font size proportional to window width
+        var charwidth = $(this.console_div).width() * 1.7 / 80;
+        $(this.console_div).css('font-size', charwidth+'px');
+    }
+
     getDebugTree() {
         return this.v86;
     }
diff --git a/src/platform/zmachine.ts b/src/platform/zmachine.ts
index 2602f68c..86eee7ba 100644
--- a/src/platform/zmachine.ts
+++ b/src/platform/zmachine.ts
@@ -46,7 +46,7 @@ interface IFZVM {
 class GlkWindow {
     page: HTMLElement;
     stream: number;
-    
+
     curline: HTMLElement;
     curstyle: number;
     reverse: boolean;
@@ -102,8 +102,8 @@ class GlkWindow {
     move_cursor(col, row) {
         // TODO
         if (row == this.row && col > this.col) {
-            for (var i=this.col; i<col; i++)
-              this.addtext(' ', this.curstyle);
+            for (var i = this.col; i < col; i++)
+                this.addtext(' ', this.curstyle);
         }
         this.col = col;
         this.row = row;
@@ -337,7 +337,7 @@ class GlkImpl {
     glk_window_get_size(win, widthref: RefBox, heightref: RefBox) {
         console.log('glk_window_get_size', arguments);
         // TODO: made up sizes, only status line supported
-        if (widthref) widthref.set_value(40);
+        if (widthref) widthref.set_value(STATUS_NUM_COLS);
         if (heightref) heightref.set_value(win == 1 ? 25 : 1);
     }
     garglk_set_reversevideo(val) {
@@ -681,6 +681,8 @@ const Const = {
 
 //
 
+const STATUS_NUM_COLS = 80;
+
 class ZmachinePlatform implements Platform {
     mainElement: HTMLElement;
     zfile: Uint8Array;
@@ -715,8 +717,16 @@ class ZmachinePlatform implements Platform {
         windowport.on('click', (e) => {
             inputline.focus();
         });
+        this.resize = () => {
+            // set font size proportional to window width
+            var charwidth = $(gameport).width() * 1.6 / STATUS_NUM_COLS;
+            $(upperwnd).css('font-size', charwidth + 'px');
+        }
+        this.resize();
     }
 
+    resize : () => void;
+
     loadROM(title, data) {
         this.zfile = data;
         this.reset();
diff --git a/src/worker/workermain.ts b/src/worker/workermain.ts
index 1dd737e0..7ddd9ff4 100644
--- a/src/worker/workermain.ts
+++ b/src/worker/workermain.ts
@@ -614,9 +614,12 @@ function extractErrors(regex, strings:string[], path:string, iline, imsg, ifilen
 // TODO: "of" doesn't work in MSIE
 
 var re_crlf = /\r?\n/;
+//    1   %line 16+1 hello.asm
+var re_lineoffset = /\s*(\d+)\s+[%]line\s+(\d+)\+(\d+)\s+(.+)/;
 
 function parseListing(code:string, lineMatch, iline:number, ioffset:number, iinsns:number, icycles?:number) : SourceLine[] {
   var lines : SourceLine[] = [];
+  var lineofs = 0;
   code.split(re_crlf).forEach((line, lineindex) => {
     var linem = lineMatch.exec(line);
     if (linem && linem[1]) {
@@ -627,13 +630,19 @@ function parseListing(code:string, lineMatch, iline:number, ioffset:number, iins
       var iscode = cycles > 0;
       if (insns) {
         lines.push({
-          line:linenum,
+          line:linenum + lineofs,
           offset:offset,
           insns:insns,
           cycles:cycles,
           iscode:iscode
         });
       }
+    } else {
+      let m = re_lineoffset.exec(line);
+      // TODO: check filename too
+      if (m) {
+        lineofs = parseInt(m[2]) - parseInt(m[1]) - parseInt(m[3]);
+      }
     }
   });
   return lines;