MULTITASK PROCESSOR, A MULTITASK PROCESSING METHOD, A MULTITASK PROCESSING DISPLAY METHOD AND A STORAGE MEDIUM FOR PROCESSING BY CORRELATING TASK AND OBJECT

The debug assisting apparatus comprises a task information recording device to record the execution information of task A, task B, and task C executed by the OS 1 in multitask processing, an object execution information recording device to record the information of the objects operated by the tasks, an information merging device both to chronologically merge the recorded object execution information and execution information of task A, task B, and task C and to store such information as the program operation history in a history storing device, and an output data generating device to generate the output data showing the execution progress of task A, task B, and task C and the operation of the objects in association according to the operation history table in the history storing device and output such data to the input/output device (monitor).