
Practical aids
to programming
159
Logic analysers on the market vary in price by a range of twenty to
one,
but the differences are due to the method of display, to the num-
ber of storage registers, and to the sophistication of the trigger mech-
anism. Even the cheapest will provide the essential information needed.
Development sets
The most important tool of all is the development set
itself.
A set large
enough to support all the software tools discussed in this chapter would
need at least 32K words of store, two floppy disks and a terminal. A
manufacturer's price, including software, would be about £6000. An
identical configuration could b