Computer graphics processing and selective visual display system – Display driving control circuitry – Controlling the condition of display elements
Patent
1999-06-08
2000-09-12
Bayerl, Raymond J.
Computer graphics processing and selective visual display system
Display driving control circuitry
Controlling the condition of display elements
717 4, G06F 300
Patent
active
061184489
ABSTRACT:
Control program statements are graphically displayed as flowchart logic. The runtime engine associated with the process control computer monitors and maintains state data indicating whether a program statement was executed on every pass, on at least one but not all passes, or never. This state information is used by the program tracker to render the graphically displayed program blocks in a different color or other visual indicia, allowing the user to perceive what program branches the runtime program actually took during operation. The user is thus provided with useful logic flow information even though the executing program may operate cyclically at a speed faster than the user can directly perceive.
REFERENCES:
patent: 5410648 (1995-04-01), Pazel
patent: 5652874 (1997-07-01), Upson et al.
Bartson Brent Allen
McMillan Andrew H.
Reid Lee
Steenstra James Alan
Bayerl Raymond J.
Nguyen Cao H.
Think & Do Software, Inc.
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