Christian Groessler e4e3dbf756 atarixl: check at startup whether RAM beneath the ROM is in use ...

If detected, the program refuses to run, preventing a crash.
The check only works with SpartaDOS. I don't have an overview which
DOSes potentially use the RAM under the ROM. Or which other installed
programs might use it.

No additional runtime memory space is consumed, since the change
is in the "system check" load chunk which gets replaced by the
user program during loading.

2018-09-12 01:05:52 +02:00

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