Tree Systems of Grand Rapids
3645 28th St, Grand Rapids, MI 49608
Bob Alsum, owner.
Products
| Name | Description | Computers |
|---|---|---|
| Pluri-Forth | Pluri-Forth is both an operating system and a programming language, replacing the Sinclair ROM entirely. FORTH programs were compiled and ran about 10 times faster than interpreter BASIC. Pluri-Forth offered multitasking, a feature not available in Basic. When used with the Sinclair ROM, the channel 2/3 switch is wired to the Pluri-Forth board to select | Timex/Sinclair 1000, Downloadable |
| Word Tree | Word processor written in Forth, for use with Pluri-Forth. | Timex/Sinclair 1000 |
Books
Periodicals
Documents
Downloads
| Name | Description | Computers |
|---|---|---|
| Pluri-Forth | Timex/Sinclair 1000 |
Articles
| Title | Description | Computers |
|---|---|---|
| Forth | Overview of Forth and review of Tree Systems PLURI-FORTH EPROM. | Timex/Sinclair 1000 |
| Hardware Review: MultiForth EPROM Chip | Review of Tree Systems’ Forth EPROM, comparing it to IPS Forth. | Timex/Sinclair 1000 |
| The Forth Corner | Introduction to Forth and review of Pluri-Forth from Tree Systems. | Timex/Sinclair 1000 |
| The Forth Corner | Timex/Sinclair 1000 | |
| TreeForth | Source code for TreeFORTH (a ROMable, TS1000, slightly non-standard FORTH) has been released for non-commercial use by author Bob Alsum. |
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