| 摘要 |
<p>A video system with hardware scrolling includes the combination (1) of a video processor including a color palette for processing of data, a memory (31) for storing of data to be processed, a monitor (33) and (35) for displaying of the processed data, a processor (30) for controlling the transfer of data from the memory (30) to the monitor (33) and (35). The video processor (1) includes a control logic (65) for controlling the transfer of data and instructions between the processor (30) and the video processor (1); a memory control logic (67) for controlling, in response to the instructions from the processor (1), the transfer of data from the memory (31); registers and counters (63) for arranging data from the memory (31) in a predetermined order, to provide scrolling data for changing a display on the monitor (33) and (35) pixel by pixel and to apply the scrolling data according to the prearranged order to the sprite processor (10); and video output logic (57) for converting the scrolling data to a video signal to which the monitor (33) and (35) will respond to provide a display of a plurality of rows and characters of pixels.</p> |
