公开(公告)号：US3603936A

公开(公告)日：1971-09-07

申请号：US3603936D

申请日：1969-12-08

Applicant: IBM

Inventor： ATTWOOD DENNIS P ,  SYME DAVID M ,  TUFFILL HAROLD W

IPC: G06F9/22 ,  G06F11/267 ,  G06F11/04

CPC classification number: G06F11/2215 ,  G06F9/226 ,  G06F11/2236

Abstract: Apparatus for injecting simulated monitoring or control data into a microprogrammed data processing system for diagnostic purposes to initiate a particular system test or response. The data injection takes place at a preselected stage during the execution of a microprogram which stage is identified from microprogram addressing or clocking information.

公开(公告)号：CA886200A

公开(公告)日：1971-11-16

申请号：CA886200D

Applicant: IBM

Inventor： WAUGH ROBIN ,  ARULPRAGASAM JEGANANDARAJ A ,  TUFFILL HAROLD W ,  BINKS DENIS C ,  VASILE VINCENT C ,  PINNELL MARTIN C ,  PRICE RICHARD L

公开(公告)号：CA1155982A

公开(公告)日：1983-10-25

申请号：CA356679

申请日：1980-07-22

Applicant: IBM

Inventor： TUFFILL HAROLD W ,  JOHNSON PETER W ,  HARDIMAN RAYMOND ,  HALL STEPHEN T ,  QUARENDON PETER

IPC: G06F3/153 ,  G06F17/21 ,  G06T11/20 ,  G09G5/22 ,  G09G5/24 ,  G09G5/36 ,  G09G5/40 ,  G09G1/00

Abstract: DIGITAL DATA DISPLAY SYSTEM A digital data display system in which the display device includes a plurality of random access stores into which character cell definitions are loaded from a remote central processing unit. A character cell may be a 9 x 16 picture element matrix and each is defined in the c.p.u. according to the requirements of a display request received from a users application program. The system control services include a graphics manager and graphics routines which construct a character buffer and character cell definition table according to the picture to be displayed. A character cell definition that is required more than once in a picture is only included once in the definition table, the character buffer having the required number of pointers to the one definition. When the character buffer and character definition table have been constructed they are transmitted to the display device using a data communication system. The system can be used for colour or monochrome displays.

公开(公告)号：CA886199A

公开(公告)日：1971-11-16

申请号：CA886199D

Applicant: IBM

Inventor： ARULPRAGASAM JEGANANDARAJ A ,  MINSHULL JOHN F ,  GLOVER ALAN C ,  PINNELL MARTIN C ,  TUFFILL HAROLD W ,  WAUGH ROBIN

公开(公告)号：CA902785A

公开(公告)日：1972-06-13

申请号：CA902785D

Applicant: IBM

Inventor： TUFFILL HAROLD W ,  PINNELL MARTIN C ,  WILLIAMS CLIVE ,  ARULPRAGASAM JEGANANDARAJ A ,  MINSHULL JOHN F

公开(公告)号：CA865312A

公开(公告)日：1971-03-02

申请号：CA865312D

Applicant: IBM

Inventor： ATTWOOD DENNIS P ,  TUFFILL HAROLD W ,  SYME DAVID M