apple BIGMAC Pgmrs Model 8-85 free download

File name BIGMAC_Pgmrs_Model_8-85.pdf

Rich Page 8/14/85 APPLE CONFIDENTIAL Programmers Model for the Big Mac Introduction This document describes the Big Mac hardware from the programmers view of the machine which includes a description of the address space maps and a description of each device. The CPU clock is generated by the clock generator gate array which is controlled by three signals CSELO, CSEL 1 and M70. These signals are controlled by dip switches and described by the following table. x" \.~ ~ELQ ~EL1 MIQ ~FREQ