REXX Tips & Tricks, Version 2.80


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Usage of RESERVE.SYS


Usage: basedev=reserve.sys arguments 
Possible arguments are: 

 
 switch    format      example          description
 --------  ----------  -----------      -------------------------------

  /IO:     /IO:x,x     /IO:340,4        Reserve IO ports. First number
                                        is base port in HEX, followed by
                                        length (number of ports) in hex.
  /P:      same as /IO:


  /MEM:    /MEM:x,x    /MEM:CA00,1000   Reserve Memory. First number is
                                        base memory address (HEX), with
                                        assumption that the address is
                                        XXXX:0, followed by the
                                        length (number of address) in hex.

  /DMA:    /DMA:x      /DMA:2           Reserve DMA Channel.
                                        Number is decimal.


  /IRQ:    /IRQ:x      /IRQ:13          Reserve IRQ.
                                        Number is decimal.


  /EXC     /EXC        /EXC             Exclusive resource attribute

  /MUL     /MUL        /MUL             Multiplexed resource attribute

  /SHA     /SHA        /SHA             Shared resource attribute

  /GY      /GY         /GY              Grant Yield resource attribute

  /DW:     /DW:x       /DW:10           Decode width of IO address. Valid
                                        numbers are 10 and 16. Only valid
                                        with /IO: switch.



Notes: 
More than one resource attribute per resource entry is an error and not 
allowed. If no attributes or decode width is set, the default is EXCLUSIVE 
and 16. 
Examples: 
To reserve 
   IRQ 13 EXCLUSIVE,
   DMA 0 SHARED,
   MEMORY CA00:0 for 1000 bytes shared,
   IO ports 340 for 10 ports EXCLUSIVE and decode width 16,
   and IO ports 300 for 64 ports Grant Yield, with a decode 
   width of 10 
 use: 


 
  BASEDEV=RESOURCE.SYS /IRQ:13 /DMA:0 /SHA /MEM:CA00,3E8 /SHA /IO:340,A
                       /IO:300,100 /GY /DW:10

  
Note:  The syntax for the driver is documented in the Online documentation 
       of WARP 4. 
   

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