pic 单片机 驱动 LCD 里程，工程文件，测试通过，可以直接使用。-pic microcontroller-driven LCD mileage, engineering documents, test passed, can be used directly.

We need to preserve ebx since we re compiling PIC code this means we can t use =b for the second output register. -We need to preserve ebx since we re compiling PIC code this means we can t use =b for the second output register.