mirror of
https://github.com/A2osX/A2osX.git
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87 lines
2.2 KiB
Markdown
87 lines
2.2 KiB
Markdown
*** Auto generated by docgen.cmd ***
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## Copyright
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Copyright 2015 - 2020, Remy Gibert and the A2osX contributors.
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# D2TrkRead16s
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Write a track (16 sectors)
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PUSHB = DSSS0000
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PUSHB = TrackNum * 4 : 0->136+
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PUSHW = Ptr to 16*256 buffer
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## RETURN VALUE
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CC : success, A = VolNum
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CS : A = Error
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# D2TrkWrite16s
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Write a track (16 sectors)
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PUSHB = DSSS0000
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PUSHB = VolNum
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PUSHB = HeadNum (0,1)
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PUSHB = TrackNum * 4 : 0->136+
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PUSHW = Ptr to 16*256 buffer
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## RETURN VALUE
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CC : success
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CS : A = Error
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# D2TrkWriteNIB
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Write a track (NIBBLE)
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**In:**
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PUSHB = DSSS0000
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PUSHW = Ptr to NIBBLE buffer (0 ended)
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## RETURN VALUE
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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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# GetProDOSCatSize
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Compute space needed for ProDOS Catalog
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## C
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int getprodoscatsize (short int options, short int catsize, int devsize );
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## ASM
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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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## RETURN VALUE
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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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## License
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A2osX is licensed under the GNU General Public License.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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The full A2osX license can be found **[Here](../LICENSE)**.
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*** End of Auto generated file ***
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