TRIANGULAR μOS for Commodore VIC-20

NEWEST
TRIANGULAR μOS 1.19 for Commodore VIC-20 29KB [10-08-2023]:        [DOWNLOAD]  [SDK]

- Version of TRIANGULAR μOS 1.15/VIC for Commodore VIC-20 with 24KB RAM extension with changed filenames convention, saving to .txt file, added SYSTEM DISK folder, MONITOR improvement and other bugfixes added in version 1.11

NEWEST
TRIANGULAR μOS 1.18 for Commodore VIC-20 21KB [09-08-2023]:        [DOWNLOAD]  [SDK]

- Version of TRIANGULAR μOS 1.14/VIC for Commodore VIC-20 with 16KB RAM extension with changed filenames convention, saving to .txt file, added SYSTEM DISK folder, MONITOR improvement and other bugfixes added in version 1.11

NEWEST
TRIANGULAR μOS 1.17 for Commodore VIC-20 13KB [08-08-2023]:        [DOWNLOAD]  [SDK]

- Version of TRIANGULAR μOS 1.13/VIC for Commodore VIC-20 with 8KB RAM extension with changed filenames convention, saving to .txt file, added SYSTEM DISK folder, MONITOR improvement and other bugfixes added in version 1.11

NEWEST
TRIANGULAR μOS 1.16 for Commodore VIC-20 8KB [07-08-2023]:         [DOWNLOAD]  [SDK]

- Version of TRIANGULAR μOS 1.12/VIC for Commodore VIC-20 with 3KB RAM extension with changed filenames convention, saving to .txt file, added SYSTEM DISK folder, MONITOR improvement and other bugfixes added in version 1.11

TRIANGULAR μOS 1.15/VIC for Commodore VIC-20 29KB [19-08-2022]:    [DOWNLOAD]  [SDK]

- TRIANGULAR μOS 1.15/VIC won’t start on VIC-20 with less than 29 KB of RAM (24 KB RAM Expansion is needed or higher)

- GUI merged with MONITOR, WORDS and SYNTH

- MONITOR and WORDS errors messages accompanied by beep sound

- To LOADING screen there is added RESTARING (with yellow TRIANGULAR logo) and SHUT - DOWN (with red logo)

- Bugfixes and improvements

TRIANGULAR μOS 1.14/VIC for Commodore VIC-20 21KB [14-08-2022]:    [DOWNLOAD]  [SDK]

- TRIANGULAR μOS won’t start on VIC-20 with less than 21 KB of RAM (16 KB RAM Expansion is needed or higher)

- GUI merged with MATH and CMD

- MATH keys assigned for basic functions (+, -, *, /, %) and ON

- CMD beep sound added while displaying error messages

TRIANGULAR μOS 1.13/VIC for Commodore VIC-20 13KB [12-08-2022]:    [DOWNLOAD]  [SDK]

- TRIANGULAR μOS won’t start on VIC-20 with less than 13 KB of RAM (8 KB RAM Expansion is needed or higher)

- GUI merged with COLORS & DISK

- GUI streamlined

- DISK received minor improvement of disk content handling mechanism

TRIANGULAR μOS 1.12/VIC for Commodore VIC-20 8KB [09-08-2022]:     [DOWNLOAD]  [SDK]

- GUI merged with APPS, GAMES and SETTINGS

- COLORS can retrieve default color theme with DEAULT button

- DISK & CMD directory of disk content is retrieving file list at once

- CMD other updates, D> (duplicate) command added and other command syntax changes

- MATH improved, various new functions added and few additional keys mapped

- MONITOR command syntax overhauled into 1-line commands

- Bugfixes and other minor improvements

TRIANGULAR μOS 1.11/VIC for Commodore VIC-20 8KB [31-07-2022]:     [DOWNLOAD]  [SDK]

- TRIANGULAR μOS won’t start on unexpanded VIC-20 5KB. VIC-20 with 8KB of RAM (3KB RAM Expansion) is needed (or higher)

- UOS and BIOS merged into single UOS program and improved error messages system

- CMD merged with its help file CMD>HLP and further improved

- CMD syntax of R> and C> operations changed to more intuitive [original file]=[new file]

- STAR WARS merged with its game engine file STAR WARS>ENG

 

NEWEST
TRIANGULAR μOS 1.11 for Commodore VIC-20 5KB [05-08-2023]:         [DOWNLOAD]  [SDK]

- Filenames convention changed from filename>ext[ension] to standard filename.ext[ension] e.g. uos>cfg to uos.cfg

- WORDS file extension changed to .txt

- MONITOR simplified running Machine Language programs

- Various other bugfixes and improvements

- Added SYSTEM DISK folder for use with SD2IEC

- Updated documentation

TRIANGULAR μOS 1.10/VIC for Commodore VIC-20 5KB [28-07-2022]:     [DOWNLOAD]  [SDK]

- Supports Commodore VIC-20 with at least 5KB and it’s 22 columns, 8 color text mode

- Function keys used

- New colorful loader for inter-loading operations

- BIOS Setup menu offers option to enable/disable Datasette

- BIOS Setup supports separate Work disk drive for storing system apps documents

- BIOS improvements and bugfixes

- GUI cursor is joystick operated and can move diagonally

- GUI windowed environment uses custom color background and title bar

- Up arrow button added to task bar (placed right of clock) to go back to main desktop screen

- SETTINGS are split into two apps: SETTINGS which can change time, Work disk and printer options and COLORS which can change colors of GUI elements

- DISK is now windowed and cursor operated. Changed disk content display mechanism.

- CMD introduced improved mechanism for displaying success or error of performed operation. Minor review of command syntax (I> and V> instead of I and V). Bugfixes.

- APPS folder in place of OFFICE contains WORDS, MATH, MONITOR, SYNTH

- MATH calculator revamped, simplified, windowed and mouse operated

- MONITOR have blue background. Command SHOW displays 2 hex digits instead of 4. Its HELP is consolidated. Minor bugfixes.

- SYNTH is a simple 4 voice digital piano

- 4 new games: SIMCITY, STAR WARS X-Wing vs TIE-Fighter (new version), BREAKOUT (new BASIC version), NEED4VIC

- Various other bugfixes and improvements

- Empty and formatted disk image called TRIANGULAR uOS 1.10-VIC Documents

in .d64 file format added for use as Work disk