please dont rip this site
Function  44h   I/O Control for Devices (IOCTL)  Get or Set Device Information

entry AH 44h

AL 07h Get Output Handle Status

return AL 00h not ready

0FFh ready

note: for DOS 2.x, files are always ready for output


file: /Techref/INT/21f/44sf/07.htm, 0KB, , updated: 1999/4/26 11:36, local time: 2023/12/3 02:52,
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