en:docs:dos:api:int21:44:0d

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en:docs:dos:api:int21:44:0d [2021/05/01 15:08] – created prokusheven:docs:dos:api:int21:44:0d [2024/05/03 01:51] (current) – prokushev
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 ===== Notes ===== ===== Notes =====
  
-    DOS 4.01 seems to ignore the high byte of the number of directory +DOS 4.01 seems to ignore the high byte of the number of directory entries in the BPB for diskettes. 
-   entries in the BPB for diskettes. + 
- functions 46h and 66h undocumented in DOS 4.x, documented for DOS 5+ +functions 46h and 66h undocumented in DOS 4.x, documented for DOS 5+ 
- the DUBLDISK.SYS v2.6 driver only supports minor codes 60h and 67h + 
- DR DOS 3.41-6.0 only support minor codes 40h-42h and 60h-62h; all +the DUBLDISK.SYS v2.6 driver only supports minor codes 60h and 67h 
-   other minor codes return error code 16h + 
- some PCMCIA calls reportedly appear to be dangerous for MS-DOS versions +DR DOS 3.41-6.0 only support minor codes 40h-42h and 60h-62h; all other minor codes return error code 16h 
-   prior to 5.0 + 
- minor code 60h normally produces no I/O except with AutoMount=1 for +some PCMCIA calls reportedly appear to be dangerous for MS-DOS versions prior to 5.0 
-   DBLSPACE/DRVSPACE+ 
 +minor code 60h normally produces no I/O except with AutoMount=1 for DBLSPACE/DRVSPACE
  
 ===== See also ===== ===== See also =====
  
-    AX=440Ch,AX=440Dh/CX=084Ah,AX=440Dh/CX=0871h,AH=69h,INT 2F/AX=0802h, INT 2F/AX=122Bh+AX=[[en:docs:dos:api:int21:44:0c|440Ch]],AX=[[en:docs:dos:api:int21:44:0d|440Dh]]/CX=084Ah,AX=[[en:docs:dos:api:int21:44:0d|440Dh]]/CX=0871h,AH=[[en:docs:dos:api:int21:69|69h]],INT 2F/AX=0802h, INT 2F/AX=122Bh
  
 ===== Note ===== ===== Note =====