Introduction - If you have any usage issues, please Google them yourself
Universal wide-line printer detection and print program PPRNT (such as SENTRONICS standard parallel interface EPSON LQ-570 type, FX-800 type) inlet conditions: Set external interrupt (INT1) service guide and open interrupt EA = 1 want to print data on-chip RAM, the first on-chip RAM address double-byte 71H, 72H in each line of print data to CR and LF commands segmentation to 03 for the print end marker. Export conditions: EX1 = 0, the print end of the