diff --git a/src/engine/export/tiuna.cpp b/src/engine/export/tiuna.cpp
index c4236d53a..985eba49f 100644
--- a/src/engine/export/tiuna.cpp
+++ b/src/engine/export/tiuna.cpp
@@ -367,8 +367,11 @@ void DivExportTiuna::run() {
   bool* processed=new bool[cmdSize];
   memset(processed,0,cmdSize*sizeof(bool));
   logAppend("compressing! this may take a while.");
-  logAppendf("max cmId: %d",(MAX(firstBankSize/1024,1))*256);
-  while (firstBankSize>768 && cmId<(MAX(firstBankSize/1024,1))*256) {
+  int maxCmId=(MAX(firstBankSize/1024,1))*256;
+  int lastMaxPMVal=100000;
+  logAppendf("max cmId: %d",maxCmId);
+  logAppendf("commands: %d",cmdSize);
+  while (firstBankSize>768 && cmId<maxCmId) {
     if (mustAbort) {
       logAppend("aborted!");
       failed=true;
@@ -377,13 +380,16 @@ void DivExportTiuna::run() {
       return;
     }
 
+    float theOtherSide=pow(1.0/float(MAX(1,lastMaxPMVal)),0.2)*0.98;
+    progress[0].amount=theOtherSide+(1.0-theOtherSide)*((float)cmId/(float)maxCmId);
+
     logAppendf("start CM %04x...",cmId);
     std::map<int,TiunaMatches> potentialMatches;
-    logAppendf("scan %d size...",cmdSize-1);
     for (int i=0; i<cmdSize-1;) {
       // continue and skip if it's part of previous confirmed matches
       while (i<cmdSize-1 && processed[i]) i++;
       if (i>=cmdSize-1) break;
+      progress[1].amount=(float)i/(float)(cmdSize-1);
       std::vector<TiunaMatch> match;
       int ch=renderedCmds[i].ch;
       for (int j=i+1; j<cmdSize;) {
@@ -458,7 +464,6 @@ void DivExportTiuna::run() {
     }
     int maxPMIdx=0;
     int maxPMVal=0;
-    logAppend("looking through potentialMatches...");
     for (const auto& i: potentialMatches) {
       if (i.second.bytesSaved>maxPMVal) {
         maxPMVal=i.second.bytesSaved;
@@ -473,8 +478,11 @@ void DivExportTiuna::run() {
     }
     callTicks.push_back(potentialMatches[maxPMIdx].ticks);
     logAppendf("CM %04x added: pos=%d,len=%d,matches=%d,saved=%d",cmId,maxPMIdx,maxPMLen,potentialMatches[maxPMIdx].pos.size(),maxPMVal);
+    lastMaxPMVal=maxPMVal;
     cmId++;
   }
+  progress[0].amount=1.0f;
+  progress[1].amount=1.0f;
   logAppend("generating data...");
   delete[] processed;
   std::sort(confirmedMatches.begin(),confirmedMatches.end(),[](const TiunaMatch& l, const TiunaMatch& r){
@@ -612,6 +620,11 @@ void DivExportTiuna::run() {
 }
 
 bool DivExportTiuna::go(DivEngine* eng) {
+  progress[0].name="Compression";
+  progress[0].amount=0.0f;
+  progress[1].name="Confirmed Matches";
+  progress[1].amount=0.0f;
+
   e=eng;
   running=true;
   failed=false;
@@ -639,3 +652,8 @@ bool DivExportTiuna::isRunning() {
 bool DivExportTiuna::hasFailed() {
   return failed;
 }
+
+DivROMExportProgress DivExportTiuna::getProgress(int index) {
+  if (index<0 || index>2) return progress[2];
+  return progress[index];
+}
diff --git a/src/engine/export/tiuna.h b/src/engine/export/tiuna.h
index 8e93b9fb4..ae1a661a9 100644
--- a/src/engine/export/tiuna.h
+++ b/src/engine/export/tiuna.h
@@ -24,6 +24,7 @@
 class DivExportTiuna: public DivROMExport {
   DivEngine* e;
   std::thread* exportThread;
+  DivROMExportProgress progress[3];
   bool running, failed, mustAbort;
   void run();
   public:
@@ -32,5 +33,6 @@ class DivExportTiuna: public DivROMExport {
     bool hasFailed();
     void abort();
     void wait();
+    DivROMExportProgress getProgress(int index=0);
     ~DivExportTiuna() {}
 };
diff --git a/src/gui/gui.cpp b/src/gui/gui.cpp
index 86948b0df..d01589503 100644
--- a/src/gui/gui.cpp
+++ b/src/gui/gui.cpp
@@ -5741,11 +5741,16 @@ bool FurnaceGUI::loop() {
       ImGui::EndPopup();
     }
 
+    ImVec2 romExportMinSize=mobileUI?ImVec2(canvasW-(portrait?0:(60.0*dpiScale)),canvasH-60.0*dpiScale):ImVec2(400.0f*dpiScale,200.0f*dpiScale);
+    ImVec2 romExportMaxSize=ImVec2(canvasW-((mobileUI && !portrait)?(60.0*dpiScale):0),canvasH-(mobileUI?(60.0*dpiScale):0));
+
     centerNextWindow(_("ROM Export Progress"),canvasW,canvasH);
+    ImGui::SetNextWindowSizeConstraints(romExportMinSize,romExportMaxSize);
     if (ImGui::BeginPopupModal(_("ROM Export Progress"),NULL)) {
       if (pendingExport==NULL) {
-        ImGui::TextUnformatted(_("...ooooor you could try asking me a new ROM export?"));
-        if (ImGui::Button(_("Erm what the sigma???"))) {
+        ImGui::TextWrapped("%s",_("...ooooor you could try asking me a new ROM export?"));
+        ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
+        if (ImGui::Button(_("Erm what the sigma???"),ImVec2(ImGui::GetContentRegionAvail().x,0.0f))) {
           ImGui::CloseCurrentPopup();
         }
       } else {
@@ -5762,17 +5767,20 @@ bool FurnaceGUI::loop() {
         if (romLogSize.y<60.0f*dpiScale) romLogSize.y=60.0f*dpiScale;
         if (ImGui::BeginChild("Export Log",romLogSize,true)) {
           pendingExport->logLock.lock();
+          ImGui::PushFont(patFont);
           for (String& i: pendingExport->exportLog) {
-            ImGui::TextUnformatted(i.c_str());
+            ImGui::TextWrapped("%s",i.c_str());
           }
           if (romExportSave) {
             ImGui::SetScrollY(ImGui::GetScrollMaxY());
           }
+          ImGui::PopFont();
           pendingExport->logLock.unlock();
         }
         ImGui::EndChild();
         if (pendingExport->isRunning()) {
-          if (ImGui::Button(_("Abort"))) {
+          WAKE_UP;
+          if (ImGui::Button(_("Abort"),ImVec2(ImGui::GetContentRegionAvail().x,0.0f))) {
             pendingExport->abort();
             delete pendingExport;
             pendingExport=NULL;
@@ -5803,17 +5811,19 @@ bool FurnaceGUI::loop() {
             }
             romExportSave=false;
           }
-          if (ImGui::Button(_("OK"))) {
+          if (pendingExport!=NULL) {
+            if (pendingExport->hasFailed()) {
+              ImGui::AlignTextToFramePadding();
+              ImGui::TextUnformatted(_("Error!"));
+              ImGui::SameLine();
+            }
+          }
+          ImGui::SetNextItemWidth(ImGui::GetContentRegionAvail().x);
+          if (ImGui::Button(_("OK"),ImVec2(ImGui::GetContentRegionAvail().x,0.0f))) {
             delete pendingExport;
             pendingExport=NULL;
             ImGui::CloseCurrentPopup();
           }
-          if (pendingExport!=NULL) {
-            if (pendingExport->hasFailed()) {
-              ImGui::SameLine();
-              ImGui::TextUnformatted(_("Error!"));
-            }
-          }
         }
       }
       ImGui::EndPopup();