IMSAI 8080 System
Functional Description
SYSTEM FUNCTIONAL DESCRIPTION
The IMSAI 8080 Microcomputer System is a full-scale general
purpose digital computer. Although small in size and low in
cost, the system is exceedingly versatile and capable of
data processing in the complete spectrum of practical applica
tions .
The IMSAI 8080 used an 8080A microprocessor LSI chip to
perform the central processing function. The instruction
set provided by the 8080A is described fully in Chapter 4 of
8080 Microcomputer System User's Manual, provided as part
of the IMSAI 8080 documentation package.
The IMSAI 8080 system is capable of unlimited expansion, due
to the bus structure and IMSAI's exclusive shared memory facility,
which permits parallel processing. The computing power that can
be made available with the IMSAI 8080 system building blocks
exceeds that of any currently available minicomputer.
The operation of the IMSAI 8080 is described in the manual
chapters titled "General Assembly and Test Instructions" and
in the CP-A Front Panel Control Board chapter. Input/output
features are described in the I/O board chapters including
SIO (Serial Input/Output board), PIO (Parallel Input/Output
board) and UCRI (Cassette Recorder Interface board).
IMSAI 8080 SOFTWARE FEATURES
Basic system software (resident monitor, text editor and
assembler) distributed in object form, with listing,
and free of charge.
Future software releases are:
4K BASIC - upward compatible to DEC standard SUPER-BASIC
8K BASIC - Upward compatible to DEC standard SUPER-BASIC
12K BASIC - DEC standard SUPER-BASIC compatible
Floppy Disk Operating System
Linkage Editor
Macro-Assembler with relocatable code generation
14
12K FORTRAN compiler
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