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feature: DOS LOAD AND/OR EXEC and DOS process management #871

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feature: DOS LOAD AND/OR EXEC and DOS process management #871

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Commits on Oct 30, 2024

  1. refactor: DOSINT21H loads DOS executables 

    Just like on a real DOS implementation.

This makes it easier to implement the following:
- The SDA
- PSP chains
- DOS function INT21H 0x4B (Load and/or exec file)

and eventually, TSR support.

Signed-off-by: Maximilien Noal <noal.maximilien@gmail.com>
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    maximilien-noal committed Oct 30, 2024
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  2. refactor: Log DOS init only on DOS kernel init 

    Signed-off-by: Maximilien Noal <noal.maximilien@gmail.com>
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    maximilien-noal committed Oct 30, 2024
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  3. feat: DOS INT21H LoadAndOrExec (init) 

    Signed-off-by: Maximilien Noal <noal.maximilien@gmail.com>
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    maximilien-noal committed Oct 30, 2024
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  4. refactor: DOS INT21H exe/file load 

    Signed-off-by: Maximilien Noal <noal.maximilien@gmail.com>
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    maximilien-noal committed Oct 30, 2024
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  5. chore: DOS INT21H 0x4B supporting structures 

    Signed-off-by: Maximilien Noal <noal.maximilien@gmail.com>
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    maximilien-noal committed Oct 30, 2024
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  6. chore: Dos(Extended)FileControlBlock struct 

    Signed-off-by: Maximilien Noal <noal.maximilien@gmail.com>
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    maximilien-noal committed Oct 30, 2024
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  7. fix: ProgramSegmentPrefix and FCB layout 

    Signed-off-by: Maximilien Noal <noal.maximilien@gmail.com>
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    maximilien-noal committed Oct 30, 2024
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  8. refactor: TypeOfLoad -> DosExecOperation enum

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    maximilien-noal committed Oct 30, 2024
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