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Latest changes and updates: https://oberon-rtk.org/updates/2025/cn-2025-08-23

Website: https://oberon-rtk.org/
GitHub repository: https://github.com/ygrayne/oberon-rtk

Latest changes and updates: https://oberon-rtk.org/updates/2025/cn-2025-08-11

Website: https://oberon-rtk.org/
GitHub repository: https://github.com/ygrayne/oberon-rtk

I have run into a puzzling compilation error, using the RP2350 command line compiler, latest version. The following test case is distilled down from the real program by stepwise deletion of all code that does not make any change regarding the error message. MODULE Types; TYPE Actor* = POINTER TO Act...

Latest changes and updates: https://oberon-rtk.org/updates/2025/cn-2025-08-02

Website: https://oberon-rtk.org/
GitHub repository: https://github.com/ygrayne/oberon-rtk

Cf. bug report: https://www.astrobe.com/forum/viewtopic.php?f=5&t=830

Latest changes and updates: https://oberon-rtk.org/updates/2025/cn-2025-07-27

Focus: an asynchronous, event-driven and pre-emptive kernel.

Website: https://oberon-rtk.org/
GitHub repository: https://github.com/ygrayne/oberon-rtk

Analysis attempt. First case, with M0, ie. with all type defs in the module, we have this binary representation of the types (from the linked assembly listing, ie. with resolved addresses): MODULE M0; TYPE Mp* = POINTER TO Mdesc; M0p* = POINTER TO M0desc; Mdesc* = RECORD END; . 4 010004988H 00000H <...

Consider this first test case: MODULE M0; IMPORT Main, Out; TYPE Mp* = POINTER TO Mdesc; M0p* = POINTER TO M0desc; Mdesc* = RECORD END; M0desc* = RECORD (Mdesc) END; M1p* = POINTER TO M1desc; M1desc* = RECORD (M0desc) END; VAR mp: Mp; m0p: M0p; m1p: M1p; BEGIN NEW(m1p); mp := m1p; ASSERT(mp IS M0p, ...

Latest changes and updates: https://oberon-rtk.org/updates/2025/cn-2025-07-07

Website: https://oberon-rtk.org/
GitHub repository: https://github.com/ygrayne/oberon-rtk

Latest changes and updates: https://oberon-rtk.org/updates/2025/cn-2025-06-16

Nascent support for a new board: TinyVision Pico2-Ice, which combines an RP2350B with a Lattice Semi iCE40UP5K FPGA.

Website: https://oberon-rtk.org/
GitHub repository: https://github.com/ygrayne/oberon-rtk