Minimal
4stack Processor
Research project for high performance, low cost computing. Uses stack-based instructions for a 4-way VLIW processor. Implemented in current technology, it would outrun high-end DSP…
A No Instruction Set Processor
Benefits: simple, easily pipelined, useful in self-clocked systems, very flexible and optimizable, good memory access, highly. Problems: awkward to program. [cowlark.com]
Enumera, Inc.
Goal: dominate very low cost, low power, single core CPU market, and have the only ultra-high-end supercomputer on-a-chip system. Because the CPU core is so small, it is possible t…
Forth Chips
References, links to Forth and stack machines in various technologies.
Java Optimized Processor
JOP is the implementation of a small java processor with the JVM fitting in a FPGA.
Minimal Instruction Set Computers
Stack-based processors, 5-bit words, 25 instructions, 7000 transistors, 80 MIPS, 50 milliwatts, low cost; designed by Chuck Moore, creator of Forth programming language.
MSL16 Processor
Minimal instruction set, small, low power 16-bit CPU optimized to run Forth on a Xilinx FPGA. When system is stable, VHDL source code for CPU and all other code will be released to…
NASA: Space Related Applications of Forth
Uses of Forth microprocessors and programming language: controllers for spacecraft flight systems, on-board payload experiments, ground support; hardware or software to build or te…
New Micros, Inc.
Designs, builds: single board computers (SBC), peripherals, embedded systems, PCB design/layout, high level programming (industry leaders in Forth), custom design work; large line …
Overview of the E16 CPU
Small, fast stack-based processor for FPGAs. CPU prototyped and debugged in ANS Forth. A simple RTL-specific language extension provides discrete event simulation for structural mo…
PTSC: Patriot Scientific Corp.
Makes IGNITE I ROSC (Removed Operand Set Computer), PSC1000 32-bit embedded shBoom-based microprocessor line, many ISDN interface products, sophisticated antenna/radar technologies…
SandPiper Technology
Course on minimal processors: Guided Exploration of two FPGA-based CPU Designs, led by John Rible.
Stack Computers & Forth
Philip J. Koopman, Jr., CMU page. Many reports, studies, links. Compares: CISC, RISC, Stack systems; 2 & 3 stack systems. Excellent resource.
Stack Computers: The New Wave
By Philip J. Koopman, Jr; Ellis Horwood, 1989, ISBN 0470214678. Read on-line, or download in formats: HTML, PDF, zip file. First book to explore a new breed of stack computers led …
T-Recursive Technology
Embedded systems consultant for small (8/16-bit) and distributed microprocessor systems. Contract hardware and software development for most microcontrollers. Specialist: Forth, As…
The Ultimate RISC
Explains extreme, simple RISC, with only one instruction, move memory to memory; yet it is useful. Revision of paper first published in ACM Computer Architecture News.
Triangle Digital Services Ltd.
Small, powerful Forth embedded computers: let you quickly design applications: controls, portable instruments, terminals, data loggers, GPS, CAN bus, multitasking, LCD and keyboard…
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