Changeset 422 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Src/VariablesAndDPTs/AccessDPT.asm

Timestamp:

May 12, 2012, 1:58:25 PM (12 years ago)

Author:

aitotat@…

google:author:

aitotat@gmail.com

Message:

Changes to XTIDE Universal BIOS:

• Modified ROMVARS for user defined CHS translation mode.
• Base DPT struct now includes initialization error flags again.

File:

• trunk/XTIDE_Universal_BIOS/Src/VariablesAndDPTs/AccessDPT.asm (modified) (3 diffs)

trunk/XTIDE_Universal_BIOS/Src/VariablesAndDPTs/AccessDPT.asm

@@ -144 +144 @@
 ALIGN JUMP_ALIGN
 AccessDPT_GetPointerToDRVPARAMStoCSBX:
-    eMOVZX  bx, [di+DPT.bIdevarsOffset]         ; CS:BX points to IDEVARS
+    eMOVZX  bx, BYTE [di+DPT.bIdevarsOffset]    ; CS:BX points to IDEVARS
     add     bx, BYTE IDEVARS.drvParamsMaster    ; CS:BX points to Master Drive DRVPARAMS
     test    BYTE [di+DPT.bFlagsLow], FLGL_DPT_SLAVE
@@ -154 +154 @@
 
 ;--------------------------------------------------------------------
-; ACCESSDPT__GET_UNSHIFTED_ADDRESS_MODE_TO_AXZF
+; ACCESSDPT__GET_UNSHIFTED_TRANSLATE_MODE_TO_AXZF
 ;   Parameters:
 ;       DS:DI:  Ptr to Disk Parameter Table
 ;   Returns:
-;       AX:     Addressing Mode (ADDRESSING_MODE_NORMAL, ADDRESSING_MODE_LARGE or ADDRESSING_MODE_ASSISTED_LBA)
+;       AX:     Translate Mode (TRANSLATEMODE_NORMAL, TRANSLATEMODE_LARGE or TRANSLATEMODE_ASSISTED_LBA)
 ;               unshifted (still shifted where it is in bFlagsLow)
 ;       ZF:     Set based on value in AL
@@ -168 +168 @@
 ; is not worth it for these two instructions (4 bytes total)
 ;
-%macro ACCESSDPT__GET_UNSHIFTED_ADDRESS_MODE_TO_AXZF 0
+%macro ACCESSDPT__GET_UNSHIFTED_TRANSLATE_MODE_TO_AXZF 0
     mov     al, [di+DPT.bFlagsLow]
-    and     ax, BYTE MASKL_DPT_ADDRESSING_MODE
+    and     ax, BYTE MASKL_DPT_TRANSLATEMODE
 %endmacro