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JKEYIS.ASM
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Assembly Source File
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1989-11-12
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299b
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21 lines
_TEXT SEGMENT BYTE PUBLIC 'CODE'
ASSUME CS: _TEXT
;_dos_key_is() - returns 1 if a key is ready to read from keyboard, 0 otherwise
public _dos_key_is
_dos_key_is proc far
mov ah,1
int 16h
jz ret0
jmp retit
ret0:
xor ax,ax
retit:
ret
_dos_key_is endp
_TEXT ENDS
END