Ignore:
Timestamp:
Feb 10, 2012, 3:12:40 AM (12 years ago)
Author:
krille_n_@…
google:author:
krille_n_@hotmail.com
Message:

Changes:

  • Optimizations (both for size and speed) in IdeTransfer.asm and MemIdeTransfer.asm
  • Fixed a bug where the SingleByteRead/Write functions in IdeTransfer.asm would fail on 128 sector transfers.
  • Fixed some typos and errors in general, comments etc.
File:
1 edited

Legend:

Unmodified
Added
Removed

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

    r233 r242  
    2929
    3030    mov     cx, g_szDetectSlave
    31     mov     bh, MASK_DRVNHEAD_SET | FLG_DRVNHEAD_DRV 
     31    mov     bh, MASK_DRVNHEAD_SET | FLG_DRVNHEAD_DRV
    3232    call    StartDetectionWithDriveSelectByteInBHandStringInAX
    33        
     33
    3434    pop     cx
    3535
    3636    add     bp, BYTE IDEVARS_size           ; Point to next IDEVARS
    3737
    38 %ifdef MODULE_SERIAL       
     38%ifdef MODULE_SERIAL
    3939    jcxz    .done                           ; Set to zero on .ideVarsSerialAuto iteration (if any)
    4040%endif
    41        
     41
    4242    loop    .DriveDetectLoop
    4343
    44 %ifdef MODULE_SERIAL       
     44%ifdef MODULE_SERIAL
    4545;
    4646; if serial drive detected, do not scan (avoids duplicate drives and isn't needed - we already have a connection)
    … …  
    4949    jc      .done
    5050
    51     mov     bp, ROMVARS.ideVarsSerialAuto   ; Point to our special IDEVARS sructure, just for serial scans     
    52                
     51    mov     bp, ROMVARS.ideVarsSerialAuto   ; Point to our special IDEVARS structure, just for serial scans
     52
    5353    mov     al,[cs:ROMVARS.wFlags]          ; Configurator set to always scan?
    5454    or      al,[es:BDA.bKBFlgs1]            ; Or, did the user hold down the ALT key?
    5555    and     al,8                            ; 8 = alt key depressed, same as FLG_ROMVARS_SERIAL_ALWAYSDETECT
    56     jnz     .DriveDetectLoop                           
     56    jnz     .DriveDetectLoop
    5757%endif
    5858
    … …  
    6161
    6262%if FLG_ROMVARS_SERIAL_SCANDETECT != 8
    63 %error "DetectDrives is currently coded to assume that FLG_ROMVARS_SERIAL_SCANDETECT is the same bit as the ALT key code in the BDA.  Changes in the code will be needed if these values are no longer the same."
     63    %error "DetectDrives is currently coded to assume that FLG_ROMVARS_SERIAL_SCANDETECT is the same bit as the ALT key code in the BDA.  Changes in the code will be needed if these values are no longer the same."
    6464%endif
    6565
    66        
     66
    6767;--------------------------------------------------------------------
    6868; StartDetectionWithDriveSelectByteInBHandStringInAX
    … …  
    110110    ;call   ReadAtapiInfoFromDrive      ; Assume CD-ROM
    111111    ;jnc    SHORT _CreateBiosTablesForCDROM
    112    
     112
    113113    ;jmp    short DetectDrives_DriveNotFound
    114114;;; fall-through instead of previous jmp instruction
    … …  
    122122;       AX, SI
    123123;--------------------------------------------------------------------
    124 DetectDrives_DriveNotFound:     
     124DetectDrives_DriveNotFound:
    125125    mov     si, g_szNotFound
    126     jmp     BootMenuPrint_NullTerminatedStringFromCSSIandSetCF     
     126    jmp     BootMenuPrint_NullTerminatedStringFromCSSIandSetCF
    127127
    128128
Note: See TracChangeset for help on using the changeset viewer.