ZYTP58 Micro-thermal printer development example  based on C51 MCU

(File "ZYTP_LIB" is a micro-thermal printer driver library file)

Command version: ESC/POS V1.01
Project version: RealView MDK-ARM Version:4.10
Hardware platform: ZLG Tiny51-ICE development kit

Software version: P89V51 zyPrtLib V1.01 20110510
Path: P89V51 zyPrtLib V1.01 20110510
Update: modify ZYTP_LIB to zyPrtLib
