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/ Developer Source 13 / Developer Source Volume 13 (I-MODE Publications, Inc.)(1999).iso / DOBBS / OCT97 / GADRT101.GIF < prev    next >
Graphics Interchange Format  |  1998-02-10  |  57.3 KB  |  617x312  |  4-bit (16 colors)
   ocr: DB-25 Centronics Register VO Bit Name Function 1 - Control our co ISTROBE Active OWe indicates valid data iS on the data lines, 2109 2to9 Data Out toL DB DAVALT tto DATAS 8 Eight data linos, Output ony e oider SPP 10 10 Slatus in S6 NACK Alow asserted pulse to indicate than thes last character: was ecerved. 11 11 Status In S7s BUSY Ahigh signal asserted by the printer: to indicato that itis busy and cannot ake data: 12 12 Status: In S5. PE Paper: empty: 13 13 Status in S4 SELECT Asserted. hign to incicate that the printer Is onanes 14 14: Control oute C1a AUTO Active low. instrucis the FEED pr ...