Printer-tape data link processor

Details Printer-tape data link processor Printer-tape data link processor

G - Physics

06

F

354/236.1

G06F 13/12 (2006.01)

Patent

CA 1246749

- 41 - ABSTRACT OF THE DISCLOSURE PRINTER-TAPE DATA LINK PROCESSOR A peripheral controller (data link processor) controls data transfers between a host computer and a plurality of tape peripheral units and a single printer peripheral unit. A master microprocessor commands three subordinate controllers to permit concurrent data transfers through a buffer memory in both the Read and the Write directions. A dual channel control from the master microprocessor actuates a DMA switch so that data transfers to/from the tape units can be controlled by switching on alternate control lines which regulate the data transfer operations.

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