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Int 17/AH=C0h - PC Magazine PCSpool - GET CONTROL BLOCK ADDRESS -
AH = C0h
DX = printer port (0-3)
Return: ES:BX - control block (see #00646)
SeeAlso: AH=C1h
Format of PCSpool control block:
Offset Size Description (Table 00646)
00h WORD printer number
02h WORD address of printer status port
04h WORD number of first record in queue
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<h2>Int 17/AH=C0h
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<h3><font color=#C00040>PC Magazine PCSpool - GET CONTROL BLOCK ADDRESS</font></h3>
<PRE>
AH = C0h
DX = printer port (0-3)<br>
<p><b>Return:</b><br>ES:BX -> control block (see #00646)
</PRE>
<p><b>See Also:</b>
<a href="rb-2211.htm" tppabs="http://www.ctyme.com/intr/rb-2211.htm">AH=C1h</a>
<PRE>
<p>
Format of PCSpool control block:
<a name=table646></a>
Offset Size Description (Table 00646)
00h WORD printer number
02h WORD address of printer status port
04h WORD number of first record in queue
06h WORD number of last record in queue
08h DWORD characters already printed
0Ch DWORD number of characters remaining
10h DWORD pointer to dequeue buffer
14h DWORD previous count of characters printed
18h DWORD number of clock ticks taken to print them
1Ch WORD offset of next character to output
1Eh WORD offset of next character to print
20h WORD pointer to spooling queue record
22h BYTE current spooling status
23h BYTE current printer status:
00h OK
01h not ready
02h paused with message
03h paused
04h initializing
FEh non-existent port
FFh not spooled
24h BYTE current control record type
25h WORD observed printer speed
27h WORD characters to print per service
29h BYTE 01h if disk write needed
2Ah BYTE 01h if queued data should be flushed
2Bh BYTE 01h to update cps status
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