Prospero Pascal Z80 Cross Compiler Development Tools Pricing information.

Prospero Pascal X

MS-DOS to Z80 Cross Compiler

Standard features

Data types:

integer range - to bytes)
real 7-digit precision, range E-38 to E+38 (4 bytes)
char ASCII 128-bit character set (1 byte)
boolean false, true (1 byte)
enumerated up to 256 constants (1 byte)
subranges including 1 and 2-byte integers
arrays any number of dimensions
records including variant records
sets up to 2040 elements (1 to 255 bytes)
pointers (2 bytes)
files text and non-text

Statements:
assignment
procedure call
GOTO (including jumps out of blocks)
compound (BEGIN...END)
IF...THEN...ELSE...
CASE
REPEAT...UNTIL...
WHILE..DO...
FOR...TO/DOWNTO...DO...
WITH..DO

Operators:

arithmetic + - * / DIV MOD
logical AND OR NOT
comparison < = > <= <> >=
set + - * IN [...]

Procedures and functions:
procedure and function declarations (fully recursive)
value, VAR, procedural and functional parameters

Standard procedures:
reset, rewrite, get, put
read, readln, write, writeln, page
new, dispose, pack, unpack

Standard functions:
abs, sqr, trunc, round, ord, chr
pred, succ, odd, eof, eoln
sin, cos, exp, ln, sqrt, arctan

Extensions

Data types:

string[n] dynamic-length strings (1 to 255 bytes)
longreal 16-digit precision, range E-308 to E+308 (8 bytes)

Statements:
CASE...OTHERWISE

Additional procedures:
delete, insert, str (string handling)
assign, close, erase, rename (CP/M file interface)
append, echo (sequential-access extensions)
update, seek (random-access file handling)
ramfile (read/write to memory)
chain, putcomm, getcomm, (program chaining)
ownerr (exception handling)
poke, oport, (machine-level programming)
move (assignment without type checking)

Additional functions:
concat, copy, length, pos (string handling)
checkfn (is this a correct CP/M filename?)
fstat (does this CP/M file exist?)
cstat (has a key been pressed?)
memavail (how much dynamic storage left?)
rand (random number generator)
addr, peek, iport (machine level programming)
sizeof (how big is this structure?)

Separate compilation:
SEGMENT (as well as PROGRAM)
COMMON (as well as VAR)
EXTERNAL (as well as FORWARD)

Lexical enhancements:
Source file inserts ({$I filename})
Identifiers containing underscore (_)
Hex constants (e.g. 01FFH)
Longreal constants (e.g. 1.0D0)

Pricing and Contact information.

Prospero Pascal Z80 Cross Compiler Development Tools Pricing information.