Tunguska Tunguska is a ternary computer emulator.
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Tunguska Description

Tunguska is a ternary computer emulator. Tunguska is a ternary computer emulator software. On a good day, it's performance it is roughly equivalent with that of a personal computer from the 1980's, with peak speeds around 1,000,000 operations per second, on a more normal day roughly 250,000 ops/sec.It is loosely based on the excellent design of the (binary) 6502-processor by MOS Technology, but entirely ternary. So instead of having two memory cell states (0, 1), it has three (-1, 0, 1).The machine uses tryte-width (tryte = ternary analog to "byte") 6, with 36=729 states per tryte.The name is both a tip of the hat to the predominantly russian heritage of ternary computing, and an (obsolete) in-joke about the stability of an earlier version.Purpose"I wonder how it would be if my computer was ternary?", I asked myself a while back. I googled around, and found a few stub-ish wikipedia articles, a few pages explaining why ternary computing is vastly superior to everything, and some documents discussing russian experiments in the 1950's.Obviously, this wouldn't do. I wanted a hands-on computer I could play with. So I got to work, and a few months later, this is the result.So, the purpose is to provide a simple and accessible, yet powerful playground for ternary computing for the man in the street (with a decent understanding of assembly programming and general computer infrastructure).Status and goalsThe goal of the project is primarily enjoyment, but undirected programming won't really produce anything useful, so some sort of priorities and goals need to be defined. In descending order of importance: 1. Simplicity / usability 2. Speed 3. Beautiful code 4. ExperimentationThe goal of the project is ultimately to make ternary computing widely accessible to those who are interested. As a diversion, as a toy, as a what-if; to tug a bit in the binary groupthink, and see if something comes loose.An important side-goal is to document the project well enough so that people who don't quite meet the knowledge level required to understand Tunguska easily can catch up on the essentials. Requirements: · Bison · Fast Lexical Analyzer Generator · SDL · zlib What's New in This Release: · The main goal of this release is to introduce 3CC, a compiler for a C-like language that compiles into tunguska assembly code. · This release also adds various instructions for easily available 12 trit arithmetic, and a Windows port through Cygwin.

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