INMC 80 News |
May–September 1981, Issue 4 |
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There are currently available FOUR Pascal compilers for the Nascom. The purpose of this article is to tabulate them against each other, so that prospective purchasers can see how they differ in the facilities offered. It does not purport to be a review, as it is prepared solely from the circulated descriptions available from the suppliers. Prices are correct to the best of my knowledge at time of writing (2nd May 1981), but these should be confirmed by reference to the suppliers, who will no doubt answer any queries. I have only seen two of these implementations, the NASPAS and the INTEGER PASCAL, so can only write from personal experience on these two.
The available compilers are:
Datron Interform Ltd,
_ _________ ____,
Sheffield,
Cost 35-00
| CONSTANTS: | -32767 to +32767 Hexintegers %0000 to %FFFF |
| VARIABLES: | integers:-32767 to +32767 Hexintegers %0000 to %FFFF ARRAY[] of INTEGER characters:ASCII |
| OPERATORS: | integer: + – OR * DIV MOD AND SHL SHR boolean: = < > <> <= >= |
| FUNCTIONS: | |
| PROCEDURES: | value parameters |
| CONTROLS: | BEGIN – END IF – THEN – ELSE CASE – OF – : – ELSE – END WHILE – DO REPEAT – UNTIL – FOR – TO/DOWNTO – DO CALL (–) |
| INPUT/OUTPUT: | READ (–) WRITE(–) |
| OTHER: | Comments are supported. The MEM[array] allows access to any byte of memory, and the hexintegers allow easy reference to a particular byte of memory. Suffixes in the READ and WRITE statements allow values to be input and output as decimal, hex or ASCII |
| ACCURACY: | Only integers are supported, so this is not a package for number crunching. |
ENERTECH Ltd.,
__ _________ ____,
Eastbourne,
East Sussex ____ ___,
Cost 40.00
| CONSTANTS: | numerical:ranges +/ 0.1469 E-38 to +/ 0.1701 E+39 character and character string:ASCII |
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