Display control system capable of processing a plurality of continuous display updating command simultaneously

A display control method of performing a screen display, comprising the steps of:

• receiving a display updating command from an application software;
• determining whether the received display updating command is a simple command requiring a simple display updating process or a continuous command requiring a continuous display updating process;
• updating, when said received display updating command is the simple command, the screen display in response to said simple command;
• producing, when said received display updating command is the continuous command, a display processing sequence;
• setting said display processing sequence in a time table and starting a timer;
• and
• looking into said time table and executing a display updating process identified in said time table for that time point, as a timer interruption which is caused at every given timing defined by said timer, so as to perform the display updating process consecutively.

A display control system for performing a screen display, comprising:

• receiving means for receiving a display updating command from an application software to produce a received display updating command;
• determining means connected to said receiving means for determining whether the received display updating command is a simple command requiring a simple display updating process or a continuous command requiring a continuous display updating process;
• producing means connected to said determining means and responsive to said continuous command for producing a display processing sequence for updating the screen display as required by said continuous command;
• storing means connected to said producing means for storing, as a stored display processing sequence, said display processing sequence in such a form that identifies display updating processes to be executed in terms of time;
• periodically accessing means connected to said storing means for periodically accessing said stored display processing sequence to execute required one of said display updating processes in terms of time, said periodic access and execution being performed as a timer interruption which is caused at every given timing;
• and
• updating means connected to said screen display and said periodically accessing means for updating the screen display every time said periodically accessing means executes said required one of the display updating processes.