E. C. Masloch 8e8fcd1628 sys: fix, work on DOS versions that clobber di in int 25h/26h
Running on DR-DOS v7.03, the int 25h call zeroes di leading to a crash
here when di is expected to preserve the stack pointer. So push di twice
and pop it twice. The second pop always gets the saved sp, regardless of
whether int 21h or int 25h/26h are used.

Refer to https://github.com/SvarDOS/edrdos/issues/57#issuecomment-2119360035
2024-05-19 17:39:15 -04:00
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2012-10-14 20:08:06 -04:00