dont truncate error enum returned by gbprinter_detect

src/gbprinter.c

 
 enum PRN_STATUS gbprinter_detect(void) BANKED {
     printer_send_command(PRN_CMD_INIT, NULL, 0);
-    uint8_t r = printer_wait(PRN_DETECT_TIMEOUT, PRN_STATUS_MASK_ANY, PRN_STATUS_OK);
+    enum PRN_STATUS r = printer_wait(PRN_DETECT_TIMEOUT, PRN_STATUS_MASK_ANY, PRN_STATUS_OK);
 
 #ifdef DEBUG
-    EMU_printf("%s: %hu\n",  __func__, (uint8_t)r);
+    EMU_printf("%s: 0x%04x\n",  __func__, (uint16_t)r);
 #endif // DEBUG
     return r;
 }
 
 end:
 #ifdef DEBUG
-    EMU_printf("%s: %hu\n",  __func__, (uint8_t)r);
+    EMU_printf("%s: 0x%04x\n",  __func__, (uint16_t)r);
 #endif // DEBUG
     return r;
 }