| 摘要 |
PURPOSE:To provide a memory access method without requiring to change software even when the address of an area representing a state and a bit position representing normalcy/abnormality are changed, and requiring few handling time for change. CONSTITUTION:This method is constituted in such a way that a position information table 1 provided with the column of an area on which a state name is written, the address column of the area on which the state name is written, a column representing the normalcy/abnormality of each state, and a column which indicates the bit position representing the normalcy/abnormality of the state, and an access means 2 are provided, and the access means 2 refers to the position information table 1, and finds the address of the area on which a certain state is written and the bit position representing the normalcy/ abnormality of the state, and writes the state on a found position or reads it out from the found position. |
