Z80 CPU simulator - uP addresses, data, and control signals in either static (manual) or dynamic (real-time) mode.

The prime objective of a microprocessor is to operate quickly. However, when the operation of a circuit (memory, input/output, etc) must be tested, it is preferable to be able to move slowly, step-by- step, in order to isolate and examine suspect occurrances. There is expensive equipment available for this, of course, but our simulator performs the same task. Furthermore, our design has both a manual mode and a dynamic mode. A sequencer provides the Z80 signals with the correct timing relationships, whether in continuous or step- by-step mode. Z80 CPU simulator elektor april 1984 Z80 CPU simulator Microprocessors, such as the 6502 and Z80, are often used in specific automation applications other than computers. They are not suitable for programming in the large sense of the word, and they are very limited as regards communicating with the outside world, except in specific appli- cations. Two cases in point are the darkroom computer (using a 6502) and the digital polyphonic keyboar...