UCSD p-System IV

The UCSD p-System is a highly portable operating system. It uses the Pascal programming language, and all applications are compiled to interpreted bytecode. This means an application written for the p-System should run on any p-System platform, regardless of the CPU and architecture. However, depending on the use, it could be quite slow.

A number of commercial applications were written for the UCSD p-System, but it lost its portability advantage as the industry standardized on the x86 IBM PC architecture.

source is bitsavers: http://bitsavers.org/bits/IBM/PC/p-system

The Pascal compiler is from a different source, and might be an updated version. Also includes an alternate "SYSTEM2" disk.

Missing manual: "6936508 - UCSD Pascal Reference for the UCSD p-System"

Product type
OS
Vendor
SofTech Microsystems
Release date
1985
User interface
Text
Platform
Other

Downloads

Download Name Version Language CPU File type File size
UCSD p-System IV for IBM PC (Release 1) (1982) (5.25-160k) IV for IBM PC (Release 1) English x86 5¼ Floppy 709.89KB
UCSD p-System IV for IBM PC Manuals (1982) IV for IBM PC English x86 Archive 42.48MB
UCSD p-System IV for NEC APC (boot) (8-inch) IV for NEC APC (boot) English x86 Archive 382.93KB
UCSD p-System IV for TI Professional Computer Manuals (1983) IV for TIPC English x86 Archive 368.88MB

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