Update

ui/messages.c

@@ -38,84 +38,47 @@ void UI_DisplayMessages(void) {
                    6);
         }
     } else {
+        uint8_t Data[8];
+        EEPROM_ReadBuffer(SEQParameterEEPROM, Data, 8);
+        uint8_t msgIndex = Data[1]; // index of latest written message
 
+        // Determine oldest message index (next to be overwritten)
+        uint8_t startIndex = (msgIndex + 1) % MESSAGES_COUNT;
 
-        String[0] = 'M';
-        String[1] = 'S';
-        String[2] = 'G';
-        String[3] = ' ';
+        // Each bank shows 3 messages
+        uint8_t messagesPerPage = 3;
 
-        for (size_t i = 8; i < 14; i++) {
-            String[i] = ' ';
+        // Compute offset for scrolling (0 = newest, higher = older)
+        uint8_t pageOffset = gActiveMessageBank * messagesPerPage;
+
+        for (uint8_t ixa = 0; ixa < messagesPerPage; ixa++) {
+            // Logical order from oldest to newest
+            uint8_t logicalIndex = (startIndex + pageOffset + ixa) % MESSAGES_COUNT;
+
+            // If out of stored range, stop
+            if (pageOffset + ixa >= MESSAGES_COUNT)
+                break;
+
+            gActiveMessage = logicalIndex;
+            MESSAGES_GET();
+
+            // Build the display string
+            u32_to_str(gActiveMessage == MESSAGES_COUNT ? dataPacket.dest : loadedPacket.src, &String[0]);
+            String[10] = '-';
+            u8_to_str(loadedPacket.seq, &String[11]);
+            String[14] = '-';
+
+            // Display a visual index (0,1,2,3... not EEPROM slot)
+            uint8_t visualIndex = ixa + (gActiveMessageBank * 3);
+            String[15] = (visualIndex < 10) ? ('0' + visualIndex) : ('A' + visualIndex - 10);
+            String[16] = '-';
+            String[17] = (gActiveMessage < 10) ? ('0' + gActiveMessage) : ('A' + gActiveMessage - 10);
+            String[18] = 0;
+
+            // Print both metadata and message
+            UI_PrintString(String, 2, 0, ixa * 2);
+            UI_PrintString((const char *) loadedPacket.data, 2, 0, ixa * 2 + 1);
         }
-
-        String[4] = 'F';
-        String[5] = 'l';
-        String[6] = 'g';
-        String[7] = 's';
-        String[8] = ':';
-        String[9] = ' ';
-        u8_to_str(loadedPacket.flags, &String[10]);  // Write at offset 7
-
-        String[13] = ' ';
-        if (gActiveMessage == MESSAGES_COUNT) {
-            String[14] = 'T';
-        } else {
-            String[14] = '0' + gActiveMessage;
-        }
-        String[15] = '/';
-        String[16] = '0' + MESSAGES_COUNT;
-        String[17] = 0;
-
-        UI_PrintString(String, 2, 0, 0 /*, 8 */);
-
-        String[5] = ' ';
-        if (gActiveMessage == MESSAGES_COUNT) {
-            String[0] = 'T';
-            String[1] = 'o';
-            String[2] = ':';
-            String[3] = ' ';
-            String[4] = ' ';
-        } else {
-            String[0] = 'F';
-            String[1] = 'r';
-            String[2] = 'o';
-            String[3] = 'm';
-            String[4] = ':';
-        }
-        u32_to_str(gActiveMessage == MESSAGES_COUNT ? dataPacket.dest : loadedPacket.src,
-                   &String[6]);  // Write at offset 6
-        UI_PrintString(String, 2, 0, 1 /*, 8 */);
-
-        String[0] = 'S';
-        String[1] = 'E';
-        String[2] = 'Q';
-        String[3] = ':';
-        String[4] = ' ';
-        u8_to_str(loadedPacket.seq, &String[5]);  // Write at offset 5
-        String[8] = ' ';
-        String[9] = 'T';
-        String[10] = 'T';
-        String[11] = 'L';
-        String[12] = ':';
-        String[13] = ' ';
-        String[14] = 0;
-        u8_to_str(loadedPacket.ttl, &String[14]);  // Write at new offset
-        UI_PrintString(String, 2, 0, 2 /*, 8 */);
-
-
-        char String2[13] = "Data:        ";
-        if (gGotACK) {
-            String2[6] = 'G';
-            String2[7] = 'o';
-            String2[8] = 't';
-            String2[9] = 'A';
-            String2[10] = 'C';
-            String2[11] = 'K';
-        }
-        String2[12] = 0;
-        UI_PrintString(String2, 0, 0, 3 /*, 8 */);
-        UI_PrintString((const char *) loadedPacket.data, 2, 0, 4 /*, 8 */);
     }
     ST7565_BlitFullScreen();
 }