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<TITLE>Int 14/AX=8000h
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Int 14/AX=8000h - COMM-DRV v14.0 - READ PORT METRICS - GET ERROR CODE AND BUFFER STATUS -
AX = 8000h
DX = port number
Return: AX = code for last error (see #00357)
BX = number of characters in output buffer
CX = nubmer of characters in input buffer
DX = state flag (see #00358)
Program: COMM-DRV is a universal serial communications driver by Willies'
Computer Software Company, which supports standard INT 14 and
FOSSIL calls as well as its own interfaces
SeeAlso: AX=8001hCOMM-DRV,AX=8002hCOMM-DRV,AX=8003hCOMM-DRV
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<h2>Int 14/AX=8000h
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<h3><font color=#C00040>COMM-DRV v14.0 - READ PORT METRICS - GET ERROR CODE AND BUFFER STATUS</font></h3>
<PRE>
AX = 8000h
DX = port number<br>
<p><b>Return:</b><br>AX = code for last error (see #00357)
BX = number of characters in output buffer
CX = nubmer of characters in input buffer
DX = state flag <a href="rb-1010.htm#Table358" tppabs="http://www.ctyme.com/intr/rb-1010.htm#Table358">(see #00358)</a>
</PRE>
<p><b>Program:</b>
COMM-DRV is a universal serial communications driver by Willies'
Computer Software Company, which supports standard INT 14 and
FOSSIL calls as well as its own interfaces
<p><b>See Also:</b>
<a href="rb-1012.htm" tppabs="http://www.ctyme.com/intr/rb-1012.htm">AX=8001h"COMM-DRV"</a> - <a href="rb-1014.htm" tppabs="http://www.ctyme.com/intr/rb-1014.htm">AX=8002h"COMM-DRV"</a> - <a href="rb-1016.htm" tppabs="http://www.ctyme.com/intr/rb-1016.htm">AX=8003h"COMM-DRV"</a>
<PRE>
<p>
<a name=table357></a>
(Table 00357)
Values for COMM-DRV error code:
00h no error
01h buffer not set or attempted to change buffer for active port
02h port not active
03h transmit buffer full
04h receive buffer full
05h syntax error
06h invalid buffer size
07h invalid port
08h handler changed
09h invalid baud rate
0Ah invalid parity setting
0Bh invalid data length
0Ch invalid number of stop bits
0Dh invalid protocol number
0Eh IRQ changed
0Fh port changged
10h invalid threshold setting
11h invalid IRQ number
12h interrupts not enabled
13h invalid break syntax
14h fatal error
15h CTS error
16h invalid RS232 I/O port address
17h environment variable not set
18h error on IOCTL call
19h error during atexit cleanup
1Ah error mapping for direct calls
1Bh error opening device
1Ch unable to allocate memory
1Dh error on external micro card
1Eh card changed error
1Fh card type error
20h not supported
21h parent port error
22h card command buffer full
23h no subdevice for this port
24h unknown error
25h external card busy
26h no more timers available
27h INT 14 vector changed
28h INT 08 vector changed
29h DPMI error
2Ah TSR buffer too small (or nonexistent)
2Bh out of asynchronous resources
2Ch out of timer resources
2Dh out of "other" timer resources
2Eh file I/O error
2Fh hardware memory > 64K
<p>
Bitfields for state flag :
<a name=table358></a>
Bit(s) Description (Table 00358)
0 port is active
1 output throttled (XOFF received, or DSR or CTS reset)
2 input throttled (XOFF sent, or DTR or RTS reset)
</PRE>
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Serial I/O</a>
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Int 14h</a>
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