Patent ID: 7143274

Claim:
An interrupt controlling method of executing an interrupt process while executing a first program, in which instructions for performing a task process are described, said method comprising the steps of: (a) when an interrupt request occurs while said first program, in which first and second areas are defined, is in execution, suspending the execution of said first program and setting at least one breakpoint in said second area, wherein said first area is an area in which a task process to be executed exclusively of an interrupt process is described and said second areas is an area different from said first area; (b) resuming the execution of said first program that has been suspended in said step (a) after the setting of said breakpoint is completed; (c) when the execution of said first program that has been resumed in said step (b) reaches said breakpoint, suspending the execution of said first program and executing said interrupt process; and (d) clearing the setting of said breakpoint after the execution of said interrupt process is completed.