In the early 80's there was fierce competition among several of the then established manufacturers of 8-bit microprocessors to bring out 16-bit designs. Texas Instruments had been first, but its CPU was not widely accepted. Intel was next, with the Intel 8086/8088, but Motorola marketing stressed the true point that the 68000 was a much more complete 16-bit design than the others. This was reflected in its complexity. The transistor cell count, which was then a fairly direct measure of power in that era, was 70,000 versus the 29,000 of the 8086. I'll never know why the Intel processor was chosen to power the original PC instead of the Motorola chip.
At any rate, the MC68000 is long obsolete, but its offspring are still found in embedded systems everywhere. Also, the original MC68000 is still present in some functional controllers that are more than ten years old. If you need to understand the programming of this historic chip and the philosophy of programming it including examples and plenty of good illustrations which extend to its MC680X0 offspring, this book is an oldie but a goodie. I've had mine for 25 years, and from time to time I still consult it.
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