Changeset 400 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Src/Device/IDE/IdeDPT.asm

Timestamp:

Apr 20, 2012, 2:30:16 PM (13 years ago)

Author:

aitotat@…

google:author:

aitotat@gmail.com

Message:

Changes to XTIDE Universal BIOS:

• Moved 8-bit device support to MODULE_8BIT_IDE.
• JR-IDE/ISA support requires a lot less bytes.
• AT builds now always use full operating mode.

File:

• trunk/XTIDE_Universal_BIOS/Src/Device/IDE/IdeDPT.asm (modified) (3 diffs)

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

@@ -66 +66 @@
 %ifdef MODULE_ADVANCED_ATA
 ;--------------------------------------------------------------------
-; .StoreDeviceType
-;   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
-;--------------------------------------------------------------------
-.StoreDeviceType:
-    call    IdeDPT_StoreDeviceTypeFromIdevarsInCSBPtoDPTinDSDI
-
-;--------------------------------------------------------------------
 ; .StorePioModeAndTimings
 ;   Parameters:
@@ -124 +110 @@
     ; it might have been set to 16-bit on IDEVARS
 .ChangeTo32bitDevice:
-    mov     BYTE [di+DPT_ADVANCED_ATA.bDevice], DEVICE_32BIT_ATA
+    mov     BYTE [di+DPT_ATA.bDevice], DEVICE_32BIT_ATA
 
 .NoAdvancedControllerDetected:
+    ; Fall to IdeDPT_StoreDeviceTypeFromIdevarsInCSBPtoDPTinDSDI
 
-%endif ; MODULE_ADVANCED_ATA
-
-;--------------------------------------------------------------------
-; IdeDPT_StoreReversedAddressLinesFlagIfNecessary
-;   Parameters:
-;       DS:DI:  Ptr to Disk Parameter Table
-;       CS:BP:  Ptr to IDEVARS for the controller
-;   Returns:
-;       CF:     Always clear
-;   Corrupts registers:
-;       Nothing
-;--------------------------------------------------------------------
-IdeDPT_StoreReversedAddressLinesFlagIfNecessary:
-    cmp     BYTE [cs:bp+IDEVARS.bDevice], DEVICE_XTIDE_REV2
-    je      SHORT .SetFlagForSwappedA0andA3
-    cmp     BYTE [cs:bp+IDEVARS.bDevice], DEVICE_FAST_XTIDE
-    jne     SHORT .EndDPT
-.SetFlagForSwappedA0andA3:
-    or      BYTE [di+DPT.bFlagsHigh], FLGH_DPT_REVERSED_A0_AND_A3
-.EndDPT:
-    clc
-    ret
+%endif  ; MODULE_ADVANCED_ATA
 
 
-%ifdef MODULE_ADVANCED_ATA
 ;--------------------------------------------------------------------
 ; IdeDPT_StoreDeviceTypeFromIdevarsInCSBPtoDPTinDSDI
@@ -165 +130 @@
 IdeDPT_StoreDeviceTypeFromIdevarsInCSBPtoDPTinDSDI:
     mov     al, [cs:bp+IDEVARS.bDevice]
-    mov     [di+DPT_ADVANCED_ATA.bDevice], al
+    mov     [di+DPT_ATA.bDevice], al
+; End DPT
+    clc
     ret
-
-%endif