此程序实现了两台计算机的并口通信。PPORT.c：Turbo C下的端口初始化和通过打印机的并口进行4位传输的函数。-This program implements two computer parallel port communication. PPORT.c: Turbo C under port initialization function and four transmission through the parallel port of the printer.

ZABRA最小功能打印机程序.visual basic程序-The smallest functional printers ZABRA procedures. Visual basic program

实现usb转并口打印机，不需要驱动程序，可以直接应用usb转为并口-Usb printer parallel port to achieve transfer does not require drivers