[Oberon] FPGA - TRAP 4

[Jörg]

Tomas

All text you see on screen are files. In the system track on the right side of the screen, the two files normally opened are "System.Log" and "System.Tool"
If a trap occurs, it is written into System.Log. So it's possible you find the trap text in the System.Log file on disk.

A little exercise would be to write a procedure that finds the file given a sector.
You could then verify, whether this sector is really free (perhaos used by a former file) or still used by a file. Perhaps even System.Log?
 
br
Jörg

Am 26.05.20, 09:39 schrieb "Oberon im Auftrag von Tomas Kral" <oberon-bounces at lists.inf.ethz.ch im Auftrag von thomas.kral at email.cz>:

    Hi,
    
    Analysing some me crashed OBERON.FS
    (backed before recovery), I found this towards the end.
    
    It is most peculiar, I admit did something wrong, yet this seems
    echoing TRAP 4 into some [free??] sectors on the disk.
    
    000977b0  20 54 52 41 50 20 20 20  34 20 69 6e 20 54 65 78  | TRAP   4 in Tex|
    000977c0  74 73 20 61 74 20 30 30  30 30 45 38 45 38 0d 0d  |ts at 0000E8E8..|
    000977d0  20 20 70 6f 73 20 35 35  35 34 20 20 54 52 41 50  |  pos 5554  TRAP|
    000977e0  20 20 20 34 20 69 6e 20  54 65 78 74 73 20 61 74  |   4 in Texts at|
    000977f0  20 30 30 30 30 45 38 45  38 0d 0d 20 20 70 6f 73  | 0000E8E8..  pos|
    ...
    000a6bb0  34 20 20 54 52 41 50 20  20 20 34 20 61 74 20 30  |4  TRAP   4 at 0|
    000a6bc0  30 30 30 45 38 45 38 0d  0d 20 20 70 6f 73 20 35  |000E8E8..  pos 5|
    000a6bd0  35 35 34 20 20 54 52 41  50 20 20 20 34 20 61 74  |554  TRAP   4 at|
    000a6be0  20 30 30 30 30 45 38 45  38 0d 0d 20 20 70 6f 73  | 0000E8E8..  pos|
    000a6bf0  20 35 35 35 34 20 20 54  52 41 50 20 20 20 34 20  | 5554  TRAP   4 |
    
    The above takes up some 63 sectors on the disk. 
    
    -- 
    Tomas Kral <thomas.kral at email.cz>
    --
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