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SLIPPER.DOC
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1994-01-15
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SLIPPER and CSLIPPER Release 1.5
--------------------------------
Slipper is a replacement for SLIP8250. It provides a basic functionality
packet driver using the SLIP protocol. It is written completely from scratch
using Turbo Pascal and Assembler. Slipper has (hopefully) been designed for
high baud rate operation with standard non-fifo 8250 chips.
Usage: slipper [com<digit 1-4>] [vec=<hex vector>] [baud=<speed>]
[ether] [nohwhs] [?]
for Van Jacobson TCP Header Compression, use the alternative form
cslipper ....
options (in any order):
com<digit 1-4> The serial comm ports 1 to 4.
com1 base=3f8, irq=4 (default)
com2 base=2f8, irq=3
com3 base=3e8, irq=4
com4 base=2e8, irq=3
port=<hex port> override the com port setting (0000-FFFF)
irq=<hex digit> override the com irq setting (0-F)
vec=<hex vector> the packet driver interrupt vector
default is 60
baud=<speed> baud rate of the connection
default is the current speed setting.
max = 115200
ether simulate an ethernet board. (IP and ARP only)
default is non-ethernet
nohwhs disable hardware handshakes.
keepalive enable a once per minute keep alive byte to
be transmitted.
? display the commands.
examples
slipper
- com1, vector=60H, baud=whatever defined, non-ethernet
slipper com3 vec=63 baud=38400 ether
- com3, vector=63H, baud=38400, ethernet simulation
also, you can type
slipper ?
for the commands.
Send any comments or bug reports to peter@psychnet.psychol.utas.edu.au
Version 1.1 release adds support for 16550 chips. (FIFO trigger level 4 on
receive)
Version 1.2 fixes some 16550 bugs and includes support for CSLIP. Due to the
bulkiness of supporting cslip, there are two version of slipper provided. The
standard version is called SLIPPER, and the CSLIP version is called CSLIPPER.
The command line parameters are the same for both versions.
Version 1.3 fixes some bugs in the CSLIP part, and does a slight
tidyup/speedup of some of the code and reduces stack requirements. Also
added a handle for RARP packet types in the ether simulation.
Version 1.4 fixes a bug dissallowing using a vector pointing to an
IRET instruction, and also adds an option to disable hardware handshaking.
Version 1.5 fixes some more bugs, noticeably, a bug in CSLIP processing of
urgent data.