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name dos
page 55,80
title 'DOS.ASM -- assembly routines for the teeny-shell under DOS'
_TEXT segment byte public 'CODE'
assume cs:_TEXT
public _fail_criterr
;
; If we get a critical error, just fail it - dos 3.0 and up only, please!
;
_fail_criterr proc far
mov al, 3
iret
_fail_criterr endp
public _ignore_ctrlc
;
; If the user presses ^C, don't do any special handling of it.
;
_ignore_ctrlc proc far
iret
_ignore_ctrlc endp
_pexec endp
public _intr_on_ctrlc
;
; If the user presses ^C, terminate the current process.
;
_intr_on_ctrlc proc far
mov ah, 4ch
mov al, 0ffh
int 21h
_intr_on_ctrlc endp
public _crawcin
;
; get a character from standard input without any sort of magical
; processing.
;
_crawcin proc far
mov ah, 07h
int 21h
ret
_crawcin endp
_TEXT ends
end
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