sort of work with bicolor displays (yellow+blue), though GUI layout not right

src/configuration.h

@@ -38,11 +38,11 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 // Select which T-Beam board is being used. Only uncomment one.  Note: these options now come from platformio standard build file flags
 //#ifdef ARDUINO_T_Beam
-//#define T_BEAM_V10  // AKA Rev1 (second board released)
+#define T_BEAM_V10  // AKA Rev1 (second board released)
 //#endif 
 
 //#ifdef ARDUINO_HELTEC_WIFI_LORA_32_V2
-#define HELTEC_LORA32
+//#define HELTEC_LORA32
 //#endif
 
 // If we are using the JTAG port for debugging, some pins must be left free for that (and things like GPS have to be disabled)
@@ -109,6 +109,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #if defined(T_BEAM_V10)
 #define HW_VENDOR       "TTGO"
 
+#define BICOLOR_DISPLAY // we have yellow at the top 16 lines
+
 #define I2C_SDA         21
 #define I2C_SCL         22
 

src/screen.cpp

@@ -328,7 +328,10 @@ void screen_setup()
     // Scroll buffer
     dispdev.setLogBuffer(5, 32);
 
-    // dispdev.flipScreenVertically(); // looks better without this on lora32
+#ifdef BICOLOR_DISPLAY
+    dispdev.flipScreenVertically(); // looks better without this on lora32
+#endif
+
     // dispdev.setFont(Custom_ArialMT_Plain_10);
 #endif
 }