LOL, good luck, you’re gonna need it.

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On Thursday, October 23, 2025, 2:25 PM, Paul Edwards 
<[email protected]> wrote:

On Thu, 23 Oct 2025 17:31:05 +0200, René Jansen <[email protected]> wrote:

>Hi Paul,
>
>> On 23 Oct 2025, at 10:44, Paul Edwards 
>> <[email protected]> wrote:
>> 
>> Or alternatively, you could stop beating about the bush and simply
>> run an EBCDIC version of Windows.
>
>I love this. Thanks for making my day a bit brighter.

No worries. I've now had a chance to inspect the details of the
x64 C compiler I have available.

It's generated C code (transpiled, actually), so not easy to read.
But not impossible either.

I've managed to find two ASCII hardcodings so far.

Feel free to join in the ASCII whack-a-mole. Other people do
crossword puzzles and then throw the book in the bin when
they are finished.

I get to see a result.

It may end up getting thrown in the bin too though, as this code
is expected to be replaced in due course. But until then - what is
it capable of?

With this change:

https://sourceforge.net/p/pdos/gitcode/ci/f57a3bcad866a35d2d406fef3ba3fcecce996865/

I am now able to do "mcc -help", or the equivalent thereof.

To reproduce, get the source code from sourceforge and:

cd pdos/mcc
pdmake targ=winx64e -f makefile.std
(read the makefile for the dependency - already documented)

./bios.exe pdos fba1b1.vhd
:mcc.exe -help
exit
[enter]

Don't forget the ":" in front of mcc.exe to make it look "one level up",
which takes you to the host system instead of looking on the
fba1b1.vhd

Also I documented pdos.exe in the command above in the readme.txt,
but the ".exe" is optional.

EBCDIC x64 - coming alive!

BFN. Paul.

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