LOGE: a highly effective system for logic design automation
ACM SIGDA Newsletter
Algorithmic state machine implementation with hybrid microprocessing/microprogramming scheme
MICRO 19 Proceedings of the 19th annual workshop on Microprogramming
Algorithms for multiple-criterion design of microprogrammed control hardware
DAC '81 Proceedings of the 18th Design Automation Conference
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For the logic design of digital controllers, efficient synthesis algorithms have been published. Most of these assume, that a completely new hardware consisting of the fewest number of components has to be built. The implementation of those algorithms form an important part of a CAD system for logic design. In order to be accepted in practice, a CAD system has to take into account additional requirements. One of these concerns with the minimization of hardware changes caused by subsequent modifications of the control task which often become necessary after the completion of the hardware implementation. This paper describes a method which solves this problem for an universal structure of microprogrammed controllers. This method is implemented as a module of the CAD program system LOGE. LOGE supports the logic design of hardwired, microprogrammed, and microprocessor based controllers. LOGE already proved to be a powerful design tool in several industrial applications.