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question 1 what is the difference between the way in which the 68000 and the 68020 use the function code outputs2 what
question - if you had to design a 32-bit address and data interface to a modern microprocessor how would you go about
question identify these four parameters and explain how they cause timing problems delays in interface logic eg address
question 1 give the size ie number of addressable locations of each of the following memory blocks as a power of 2a 2
question 1 a 68000 memory map is divided into equal-sized pages for each of the block sizes of q1 in each case indicate
question the 68000 has an a00 address bit in all its address registers including the pc the 68000 has no a00 pin why2
question design an address decoder for the following 68000 systema 256 kbytes of rom using 128k x 8-bit chipsb 4 mbytes
question 1 when the 68000 executes a write operation to an odd byte it asserts lds and places data on d00 - d07 what
question a 68000 subroutine is designed to search a table for a longword on entry ao contains the starting address of
question draw a diagram to illustrate each of the following triplets the first element in each triplet is a lower bound
question 1 why is it a good idea to pass parameters to and from a subroutine by means of the stack2 write a subroutine
question write a subroutine called addabc that performs the operation c a b the three variables a b and c are all
question 1 why is c so popular as a systems programming language in applications such as embedded microprocessor
question explain what the following fragment of c code
question the following two fragments of code are a c program and the 68000 assembly language output produced by
question write a subroutine in 68000 assembly language to calculate the value of x x2 x4 the parameter x is a 16-bit
question 1 in 68000 terms what is the difference between a clock cycle a bus cycle and an instruction cycle2 the 68000
question 1 the quoted physical address space of the 68000 is 16 mbytes ie 2 24 bytes i could maintain that it is 64
question 1 why cannot the 68000 be single-stepped through instructions simply by halting its clock after as has been
question the 68000 has 32-bit address registers that hold bits a00 to a31 however the 68000 has only address pins a01
question some microprocessor use a common address and data bus by multiplexing the address and data on the same bus at
question design an interface between the 68000 and a multiplexed bus you may specify your won multiplexed bus for the
question the 68000 has a rich instruction set however some of these instructions overlap and perform almost the same
question write a program to input a sequence of bytes and store them sequentially in memory starting at location oo
question write a subroutine to sort an array of n 8-bit elements into descending order on entry to the subroutine a2