ELITE SERIES USER MANUAL

THEORY OF OPERATION

of the EPROM and the serial to parallel converter are controlled to insure that no contention ever occurs on the bus.

7.2.9. Controller Command Structure

The Elite Controller Card responds to three types of commands. The first type is the device command, characterized by bringing the DEV line low as shown in the following table. (See the Apple II Reference Manual for an explanation of the DEV line.)

Slot

Memory Address for DEV

0(not allowed)

1$C090—$C09F

2$C0A0-$C0AF

3$C0B0-$C0BF

4$C0C0-$C0CF

5$C0L0-$C0DF

6$C0E0-$C0EF

7$C0F0-$C0FF

Fig. 7-3: DEV Line Address Ranges

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