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https://github.com/A2osX/A2osX.git
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53 lines
1.2 KiB
Markdown
53 lines
1.2 KiB
Markdown
*** Auto generated by docgen.cmd ***
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# GetProDOSCatSize
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+ Compute space needed for ProDOS Catalog
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## In :
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+ PUSHW = DevSize (in 512b blocks)
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+ PUSHB = Catalog Size (in blocks)
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+ PUSHB = Options
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## Out :
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+ X=BlockCount (max 22)
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+ Y,A=BufSize (max $4400)
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# BuildProDOSCat
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## In :
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+ PUSHW = DevSize (in 512b blocks)
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+ PUSHB = Catalog Size (in blocks)
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+ PUSHB = Options
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+ PUSHW = VolName (PSTR)
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+ PUSHW = DstBuf (Zero filled)
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+ Blk0 : ProDOS.BootBlk
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+ Blk1 : SOS.BootBlk
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+ Blk2...n : Volume Directory
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+ Blkn+1.. : Volume Bitmap (4096/Blk)
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+ max devSize = 65535 -> max 16 Bitmap Blk
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+ absolute MAX DstBuf size=
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+ 7 for Disk II(280blk),3.5(1600),3.5HD(2880)
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+ 22 for 32mb Hardisk...
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# TrkW16s
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Write a track (16 sectors)
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**In:**
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+ PUSHW = Ptr to 16*256 buffer
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+ PUSHB = TrackNum * 4 : 0->140+
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+ PUSHB = DSSS0000
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**Out:**
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+ CC : success
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+ CS : A = Error
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+ A=0, currently starting/seeking...
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# TrkWNIB
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Write a track (NIBBLE)
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**In:**
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+ PUSHW = Ptr to NIBBLE buffer (0 ended)
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+ PUSHB = TrackNum * 4 : 0->140+
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+ PUSHB = DSSS0000
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**Out:**
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+ CC : success
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+ CS : A = Error
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+ A=0, currently starting/seeking...
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