Software Enterprise (computer)

1 software

1.1 system rom
1.2 is-basic
1.3 other software

software
system rom

exos (enterprise expandable operating system) contained in system rom, , based on channels . peripherals accessed through channels, allows programs treat input , output devices identically. system rom contains full-screen editor, doubles simple word processor. can edit text files , basic programs, programs written in other languages. editor uses joystick cursor control.

is-basic

enterprise not include basic or other programming language in internal rom, unlike other home computers of time. basic interpreter supplied on 16k rom cartridge, , language can changed switching cartridge, system similar of acorn s bbc micro.

is-basic adheres ansi basic standard. structured language wide set of control structures includes multi-line if...then...else, select...case, do...loop while , until conditions @ begin and/or end of loop, , exit loop statement. procedures , functions can have both reference , value parameters, , local variables. errors , other exceptions handled exception handlers.

is-basic has unique ability run multiple programs simultaneously in memory. each program has separate set of global variables , line numbers, chain statement makes possible call 1 program , pass parameters between them. peripherals can controlled directly basic, there need use poke , peek statements. is-basic has usual commands drawing dots, lines, circles , ellipses , filling areas, , supports logo-style turtle graphics. sound commands can entered queue, , executed in background while program execution continues.

other software

several languages besides is-basic, including forth, lisp, pascal , assembly, available on either rom cartridge or tape. basic-to-basic converters convert basic programs written other home computers. 40 games, , other publishers, listed in catalog. is-dos, cp/m compatible operating system, opened access wide range of cp/m programs available @ time.