Oh my, it has been so many years… 
mov ah, 09h
mov dx, offset msg
int 21h
ret
msg db "ASM?$"

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(The ret is a CP/M remnant. There's an int 20h at the top of the program segment prefix and DOS puts a 0000 word on the stack before it passes control to the program. We are now deep in the dark ages of microcomputer "operating systems".)

Makeshifts last the longest.

In reply to Re^5: Perl Operating System by Aristotle
in thread Perl Operating System by martymart

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