-       Endpoint_Write_Byte(0x00);
-       Endpoint_Write_Byte(0x00);
-       Endpoint_Write_Byte(DISK_READ_ONLY ? 0x80 : 0x00);
-       Endpoint_Write_Byte(0x00);
+       Endpoint_Write_8(0x00);
+       Endpoint_Write_8(0x00);
+       Endpoint_Write_8(DISK_READ_ONLY ? 0x80 : 0x00);
+       Endpoint_Write_8(0x00);