| 摘要 |
PURPOSE:To detect the access to original vacant area, that is, the generation of an error in the order of execution, by setting a jump instruction to an error processing routine in a vacant area behind a processing routine. CONSTITUTION:A jump instruction is made stored in a vacant area behind processing routines A and B etc. in a micro program memory. The jump instructions are those which instruct the jump to an error processing routine. When an address storing the jump instructions is designated with the error due to the order of execution, the jump to the error processing routine is instructed. Further, the error processing routine confirms the error of order of execution and the processing correspondig to it is made. |
