try this

thomasjball · thomasjball · commit 9faeb7752fac · 2025-11-18T10:43:17.000Z
diff --git a/cpp/jddisplay.cpp b/cpp/jddisplay.cpp
@@ -105,7 +105,9 @@ void JDDisplay::pollButtons(Event) {
     if (stepWaiting) {
         if (stepPrefix())
             return;
+        // stepWaiting == false
         flushSend();
+        sendDone()
     }
 }
 
@@ -268,7 +270,7 @@ bool JDDisplay::stepPrefix() {
 void JDDisplay::step() {
     if (stepPrefix())
         return;
-
+    // stepWaiting == false
     if (palette) {
         {
 #define PALETTE_SIZE (16 * 4)

Original file line number	Diff line number	Diff line change
`@@ -105,7 +105,9 @@ void JDDisplay::pollButtons(Event) {`
`105`	`105`	`if (stepWaiting) {`
`106`	`106`	`if (stepPrefix())`
`107`	`107`	`return;`
	`108`	`+ // stepWaiting == false`
`108`	`109`	`flushSend();`
	`110`	`+ sendDone()`
`109`	`111`	`}`
`110`	`112`	`}`
`111`	`113`
`@@ -268,7 +270,7 @@ bool JDDisplay::stepPrefix() {`
`268`	`270`	`void JDDisplay::step() {`
`269`	`271`	`if (stepPrefix())`
`270`	`272`	`return;`
`271`		`-`
	`273`	`+ // stepWaiting == false`
`272`	`274`	`if (palette) {`
`273`	`275`	`{`
`274`	`276`	`#define PALETTE_SIZE (16 * 4)`