On Tue, 17 Jan 2017 13:21:16 -0800, Charles Mills wrote: >Can you imagine a program running directly connected to a printer, not spooled?
Back in the '70's we had a couple of programs that directly connected to a printer. They were check writing programs, and the check numbers were pre-printed on the forms. The program that wrote the checks would print a bunch of "VOID" stuff in the appropriate locations for alignment purposes. When the operator was satisfied with the alignment, the operator would tell the program (IIRC) the last voided check number so that the check register could be updated with the check number for each check that was printed. The program had to deal with breaks and the end of the box and re-align the forms. -- Tom Marchant ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
