Changeset 258 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Src/Device/IDE/IdeDPT.asm


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Timestamp:
Feb 22, 2012, 7:01:53 PM (12 years ago)
Author:
gregli@…
google:author:
gregli@hotmail.com
Message:

Added floppy drive emulation over the serial connection (MODULE_SERIAL_FLOPPY). Along the way, various optimizations were made to stay within the 8K ROM size target. Also, serial code now returns the number of sectors transferred.

File:
1 edited

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  • trunk/XTIDE_Universal_BIOS/Src/Device/IDE/IdeDPT.asm

    r242 r258  
    1212;       CS:BP:  Ptr to IDEVARS for the controller
    1313;   Returns:
    14 ;       Nothing
     14;       CF:     Clear, IDE interface only supports hard disks
    1515;   Corrupts registers:
    1616;       AX
    … …  
    4242;       CS:BP:  Ptr to IDEVARS for the controller
    4343;   Returns:
    44 ;       Nothing
     44;       CF:     Always clear, we don't support floppies on the IDE inteface
    4545;   Corrupts registers:
    4646;       Nothing
    … …  
    5252
    5353.EndDPT:
     54    clc
    5455    ret
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