Patent US 6,005,576

A program making method includes the steps of displaying figures representative of a plurality of objects, inputting a command train which includes a plurality of processing commands each designating at least one of the objects and a processing to be executed for that object and forms a program to be made, executing each processing command so that a processing designated by that command is executed for example data of an object designated by the command each time the command is inputted, and changing the display of a figure representative of an object designated by each of at least some of the processing commands by processing figure data concerning the figure when that command has been executed. Another program making method includes displaying figures which represent a plurality of objects and a figure for program to which a program to be made is allotted, inputting a command train which includes a plurality of processing commands each instructing one of the objects to execute at least one processing and forms the program to be made, and changing the display of the figure for program in the vicinity of a point of time of the input of each processing command so that a figure representative of one object designated by that command can be discriminated.