| 摘要 |
<p>PURPOSE:To make a mechanism small-sized and light-weight and to eliminate a need of a complicated algorithm by omitting a memory consisting of a hardware circuit, a bus driver which operates this memory, etc. CONSTITUTION:The range to be traced of the operation state of a control operation device is specified by a trace range designating means 1, and a recognition signal is outputted by a trace range inside recognition means 2 when it is recognized that the operation state of the control operation device is within the specified range. The normal processing is interrupted based on this recognition signal by an operation state trace means 3 to perform tracing, and trace information is stored in a trace information storage means 4. Then, trace information stored in the trace information storage means 4 is displayed. Consequently, the mechanism is made small-sized and light-weight because a memory consisting of a hardware circuit and a bus driver which operates this memory are omitted, and correspondence between an instruction code and the operation result is easily realized.</p> |
