Ignore:
Timestamp:
Feb 22, 2012, 7:01:53 PM (13 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

Legend:

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Added
Removed

  • trunk/XTIDE_Universal_BIOS/Src/Initialization/Initialize.asm

    r243 r258  
    2929
    3030    ; Install INT 19h handler (boot loader) where drives are detected
    31     mov     bx, BIOS_BOOT_LOADER_INTERRUPT_19h
     31    mov     al, BIOS_BOOT_LOADER_INTERRUPT_19h
    3232    mov     si, Int19h_BootLoaderHandler
    33     call    Interrupts_InstallHandlerToVectorInBXFromCSSI
     33    call    Interrupts_InstallHandlerToVectorInALFromCSSI
    3434
    3535.SkipRomInitialization:
    … …  
    7373    mov     dl, 80h
    7474    call    RamVars_IsDriveHandledByThisBIOS
    75     jnc     SHORT .FindForDrive81h  ; Store nothing if not our drive
     75    jc      SHORT .FindForDrive81h  ; Store nothing if not our drive
    7676    call    FindDPT_ForDriveNumber  ; DPT to DS:DI
    7777    mov     [es:HD0_DPT_POINTER_41h*4], di
    … …  
    8080    inc     dx
    8181    call    RamVars_IsDriveHandledByThisBIOS
    82     jnc     SHORT .ResetDetectedDrives
     82    jc      SHORT .ResetDetectedDrives
    8383    call    FindDPT_ForDriveNumber
    8484    mov     [es:HD1_DPT_POINTER_46h*4], di
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