Motorola

Description

A-30. A.5.1. MC68881 /MC68882 Instruction Set . MC68881 /MC68882 Addressing Modes . .. B-16 MC68881 /MC68882 and MC68040 Null Stack Frame. that the main processor emulates the M68000 Family coprocessor interface as required by the MC68881 /MC68882. This manual is divided into two major parts. 754-1985) for use with the Motorola. M68000 Family of ,,~f@&~i$ processors. An upgrade of the MC68881 , it is pin and software compatible with an optimiz$d. MC68881 /MC68882. 8.1 EXCEPTION PROCESSING SEQUENCE. Exception processing occurs in four functional steps. However, all individual bus cycles. interpretation of specifications #9A and #15 would indicate that the MC68030 does not meet the MC68881 /MC68882 requirements. 9. This specification allows a