OSWORD &76

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OSWORD &76 (118) - Perform MFM sector access to RAMFS

Specification

   On entry:
       XY?0  = 0, returned result
       XY!1  = data address
       XY?5  = command
       XY?6  = drive number in b5-b7, sector b16-b20 in b0-b4
       XY?7  = sector number b8-b15
       XY?8  = sector number b0-b7
       XY?9  = number of sectors or 0
       XY?10 = 0
       XY!11 = data length if X%?9=0

The call is to allow ADFS to call external support to perform disk access.

Jgharston (talk) 09:29, 30 December 2016 (UTC)

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OSWORD