IBM J29-209-1 1401pgms Jun60 free download

File name J29-209-1_1401pgms_Jun60.pdf

1401 DATA PROCESSING SYSTEM BULLETIN PROGRAMS FOR IBM 1401 CARD SYSTEMS: PRELIMINARY SPECIFICATIONS This bulletin is a minor revision of, but does not supersede, the original edition, form J28-0209. The changes are in the first paragraph of Clear Storage Routine (with respect to the card column mentioned) and in the first and third paragraphs of Print Storage Program. This bulletin describes five IBM 1401 utility programs, five frequently-used subroutines and four program error-detection aid routines for use in program testing. The above programs were developed for use on 1401 systems using card input and card or printed output. Each program is easily adapted to perform its function in conjunction with the user's programs. Flexibility of the programs provides for using either 100 or 132 positions of printing, where applicable, as well as providing for adapting the programs for use on 1401 systems equipped with 1400, 2000 or 4000 positions of core storage.