Changeset 550 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Src/VariablesAndDPTs/CreateDPT.asm

Timestamp:

Apr 27, 2013, 5:30:50 PM (11 years ago)

Author:

aitotat@…

google:author:

aitotat@gmail.com

Message:

Changes to XTIDE Universal BIOS:

• CREATE_COMPATIBLE_DPT is now MODULE_COMPATIBLE_TABLES.
• DPTs pointed by INT 41h and INT 46h are now swapped when swapping drives 81h and 80h.
• Block mode commands are no longer used when block size is set to 1 with AH=24h.

File:

• trunk/XTIDE_Universal_BIOS/Src/VariablesAndDPTs/CreateDPT.asm (modified) (2 diffs)

trunk/XTIDE_Universal_BIOS/Src/VariablesAndDPTs/CreateDPT.asm

@@ -128 +128 @@
     or      [di+DPT.bFlagsLow], cl  ; Shift count and addressing mode
     mov     [di+DPT.wPchsHeadsAndSectors], bx
-
-%ifdef MODULE_EBIOS
+%ifdef MODULE_COMPATIBLE_TABLES OR MODULE_EBIOS
     ; Store P-Cylinders here for Compatible DPTs when FLGL_DPT_LBA is not set
     ; or when drive has over 15,482,880 sectors
     mov     [di+DPT.wPchsCylinders], ax
+%endif
+
+%ifdef MODULE_EBIOS
     test    cl, FLGL_DPT_LBA
     jz      SHORT .NoLbaSoNoEBIOS
@@ -188 +190 @@
 .NoLbaSoNoEBIOS:
 %endif ; MODULE_EBIOS
-    ; Fall to .StoreBlockMode
-
-;--------------------------------------------------------------------
-; .StoreBlockMode
-;   Parameters:
-;       DS:DI:  Ptr to Disk Parameter Table
-;       ES:SI:  Ptr to 512-byte ATA information read from the drive
-;       CS:BP:  Ptr to IDEVARS for the controller
-;   Returns:
-;       Nothing
-;   Corrupts registers:
-;       Nothing
-;--------------------------------------------------------------------
-.StoreBlockMode:
-    cmp     BYTE [es:si+ATA1.bBlckSize], 1  ; Max block size in sectors
-    jbe     SHORT .BlockModeTransfersNotSupported
-    or      BYTE [di+DPT.bFlagsHigh], FLGH_DPT_BLOCK_MODE_SUPPORTED
-.BlockModeTransfersNotSupported:
     ; Fall to .StoreDeviceSpecificParameters