Mercurial > hg > Members > kono > nitros9-code

view 3rdparty/drivers/sdisk3/d0.asm @ 1565:2fd77e029314

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
IDE bootfile added
author boisy
date Mon, 17 May 2004 15:43:06 +0000
parents cbb2969adaae
children
line wrap: on
line source

         nam   D3        
         ttl   Disk Device Descriptor for SDISK3
*********************************
*
* Device Descriptor for D3 for SDISK3
*
*********************************

         ifp1            
         use   defsfile  
         endc            

Type     set   Devic+Objct
Revs     set   Reent+3   

Step30   equ   0         
Step20   equ   1         
Step12   equ   2         
Step06   equ   3         

* MODULE HEADER AND FIXED INFORMATION
         mod   DescEnd,DescName,Type,Revs,DscMgr,DscDrv
         fcb   DIR.+SHARE.+PREAD.+PWRIT.+UPDAT.+EXEC.+PEXEC.

         fcb   $07        port bank
         fdb   $FF40      port address

* USER CHANGEABLE SETTINGS
Drive    set   0          drive number (0-3)
DrvTyp   set   $20        5" floppy drive (double density on track 0)
StpRat   set   Step06     drive stepping rate code
Cyls     set   40         number of cylinders (tracks per side)
SecTrk   set   18         number of sectors per track
SecTr0   set   18         number of sectors per track (track 0, side 0)
Density  set   1          48 tpi, MFM
Sides    set   2          number of sides (1 or 2)
Verify   set   1          verify off

* OPTION TABLE
         fcb   OptEnd-*-1 number of bytes in option section below
         fcb   DT.RBF     device type = RBF
         fcb   Drive      drive number
         fcb   StpRat     step rate code
         fcb   DrvTyp    
         fcb   Density   
         fdb   Cyls       number of cylinders
         fcb   Sides     
         fcb   Verify     verify
         fdb   SecTrk    
         fdb   SecTr0    
         fcb   3          sector interleave offset factor
         fcb   8          minimum sector allocation size
         fcb   0          (reserved)
         fdb   0          (reserved)
         fcb   $10        sector/track offset (CoCo OS-9 disk format)
OptEnd   equ   *         

* NAME STRINGS
         ifne   DD
DescName fcs   "DD"
         else
DescName fcb   'D,'0+Drive+$80
         endc
DscMgr   fcs   'RBF'     
DscDrv   fcs   'SDisk3'  

         emod            
DescEnd  equ   *         
         end