摘要 |
PURPOSE:To satisfy a function requested by an analyzing device, etc., by a simple constitution, by putting a function which is insufficient by a standard function, into an extended memory in a general data processing device, and compensating function shortage of the data processing device. CONSTITUTION:An analyzing device is constituted by combining a data processing device and an analyzing apparatus, and to a bidirectional bus buffer 15, an A-register 16 is connected. To this A-register 16, an address decoder 5 is connected through gates 6, 7. Also, an output of the A-register 16 is connected to a B-register 9, and to the B-register 9, extended program memories 10-12 are connected. Also, to the B-register 9, outputs of the decoder 5 and the gate 7 are inputted, and by a write signal R/W from a CPU and a selecting output of the decoder 5, access to the A and B-registers 16, 9 is selected. In this way, by the memories 10-12, the part which is insufficient by the standard function is compensated, and the function requested by the analyzing device is satisfied by a simple constitution. |