EP 0695451 B1 20000503 - PROCESS FOR SCROLLING A PLURALITY OF RASTER LINES IN A WINDOW OF A PERSONAL COMPUTER DISPLAY SCREEN RUN IN GRAPHIC MODE
Title (en)
PROCESS FOR SCROLLING A PLURALITY OF RASTER LINES IN A WINDOW OF A PERSONAL COMPUTER DISPLAY SCREEN RUN IN GRAPHIC MODE
Title (de)
VERFAHREN ZUM SCROLLEN VON MEHREREN RASTERZEILEN IN EINEM FENSTER EINES IM GRAFIKMODUS BETRIEBENEN BILDSCHIRMS EINES PERSONALCOMPUTERS
Title (fr)
PROCEDE POUR FAIRE DEFILER PLUSIEURS LIGNES DE TRAMES DANS UNE FENETRE D'UN ECRAN D'UN MICRO-ORDINATEUR, FONCTIONNANT EN MODE GRAPHIQUE
Publication
Application
Priority
- DE 9500205 W 19950217
- DE 4405330 A 19940221
Abstract (en)
[origin: US5801675A] PCT No. PCT/DE95/00205 Sec. 371 Date Jan. 18, 1996 Sec. 102(e) Date Jan. 18, 1996 PCT Filed Feb. 17, 1995 PCT Pub. No. WO95/22814 PCT Pub. Date Aug. 24, 1995The invention relates to a procedure for scrolling some raster scan lines in a window of a screen operated in the graphic-mode of a personal computer. The computer has a processor and a program memory allocated to it as well as a video card connected to the processor via an external bus. The video card has a video memory (RAM), whose memory contents can be presented on the screen. One first line of the raster scan lines to be scrolled, is moved into a raster scan line within the window and is marked with a source-pointer. The raster scan line within a window, in which this line is to be moved into, is marked with a destination pointer. Afterwards, a scroll is performed and repeated until all lines to be scrolled are in raster scan lines of the window. At the same time with the first line, the subsequent third line is also at least scrolled in raster scan lines of the screen window. Afterwards, the second line and the fourth line of some raster scan lines to be scrolled are scrolled from lines in raster scan lines of the screen window and so on until all lines to be scrolled are scrolled in raster scan lines of the window.
IPC 1-7
IPC 8 full level
G06F 3/0485 (2013.01); G06F 3/14 (2006.01); G09G 1/16 (2006.01); G09G 5/14 (2006.01); G09G 5/34 (2006.01)
CPC (source: EP KR US)
G09G 5/14 (2013.01 - EP KR US); G09G 5/346 (2013.01 - EP KR US)
Citation (examination)
EP 0071725 A2 19830216 - IBM [US]
Designated contracting state (EPC)
AT BE CH DE ES FR GB IT LI NL SE
DOCDB simple family (publication)
US 5801675 A 19980901; AT E192599 T1 20000515; CN 1123578 A 19960529; DE 4405330 A1 19950824; DE 59508244 D1 20000608; EP 0695451 A1 19960207; EP 0695451 B1 20000503; ES 2149349 T3 20001101; JP H09511342 A 19971111; KR 100328221 B1 20020626; KR 960702142 A 19960328; WO 9522814 A1 19950824
DOCDB simple family (application)
US 53780195 A 19950118; AT 95910402 T 19950217; CN 95190106 A 19950217; DE 4405330 A 19940221; DE 59508244 T 19950217; DE 9500205 W 19950217; EP 95910402 A 19950217; ES 95910402 T 19950217; JP 52151095 A 19950217; KR 19950704581 A 19951020