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PORT.DOC
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1990-12-12
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2KB
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43 lines
DO NOT READ THIS OR WORRY ABOUT IT IF YOU DO * NOT * RUN A
NON STANDARD PORT ADDRESS OR A NON-STANDARD IRQ!
-----------------------------------------------------------
This game will allow those with Multi-nodes and ports that
utilize Non-Standard addresses and non-standard IRQ values.
It is very simple to alter the normal Port 3 or Port 4 to
utilize any address or interrupt that you wish.
To Alter port 3
---------------
The normal port 3 address is &H3E8 in Hex with an IRQ of 4.
To change this to another value you need only to create a two
line ASCII text file using Copy Con, Edlin, or other word
processor.
The two line file you create MUST be called PORT3.TXT.
The first line of Port3.txt contains either the port # (3 or
4) OR the Hex value of the address you wish to use (in the
format of &H???). You may enter any address your hardware
supports in this HEX format.
The second line is the interrupt that you wish to use for the
address. Proper IRQ's range from 1 to 7.
An example of Port3.txt would be as follows:
&H3E8 <- Hex value of the address
4 <- IRQ to use
Thats all there is to it!
To alter Port #4
----------------
If it is the fourth port that you need a non-standard
address and interrupt on you need only to create a file
called PORT4.TXT. Port4.txt will contain the same info as
described above in Port3.txt. It is just a two line file with
the new address in Hex on the first line and the new IRQ on
the second line.
I hope this helps! Don't confuse your node number with your
port number. If your using port 4 on node 3 and wanted to
alter that line then you would create a port4.txt with the
new parameters.