Changeset 150 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Inc/RomVars.inc

Timestamp:

Apr 29, 2011, 7:04:13 PM (14 years ago)

Author:

Tomi Tilli

google:author:

aitotat

Message:

Changes to XTIDE Universal BIOS:

• Redesigned Disk Parameter Tables.
• Code generalizations for supporting non-IDE devices in the future.

File:

• trunk/XTIDE_Universal_BIOS/Inc/RomVars.inc (modified) (2 diffs)

trunk/XTIDE_Universal_BIOS/Inc/RomVars.inc

@@ -41 +41 @@
     .wPort              resb    2   ; IDE Base Port for Command Block (usual) Registers
     .wPortCtrl          resb    2   ; IDE Base Port for Control Block Registers
-    .bBusType           resb    1   ; Bus type
+    .bDevice            resb    1   ; Device type
     .bIRQ               resb    1   ; Interrupt Request Number
     .drvParamsMaster    resb    DRVPARAMS_size
@@ -47 +47 @@
 endstruc
 
-; Bus types for IDEVARS.bBusType
-BUS_TYPE_8_DUAL         EQU (0<<1)  ; XTIDE transfers with two 8-bit data ports
-BUS_TYPE_16             EQU (1<<1)  ; Normal 16-bit AT-IDE transfers
-BUS_TYPE_32             EQU (2<<1)  ; 32-bit VLB and PCI transfers
-BUS_TYPE_8_SINGLE       EQU (3<<1)  ; 8-bit transfers with single 8-bit data port
+; Device types for IDEVARS.bDeviceType
+DEVICE_8BIT_DUAL_PORT_XTIDE             EQU (0<<1)
+DEVICE_XTIDE_WITH_REVERSED_A3_AND_A0    EQU (1<<1)
+DEVICE_8BIT_SINGLE_PORT                 EQU (2<<1)
+DEVICE_16BIT_ATA                        EQU (3<<1)
+DEVICE_32BIT_ATA                        EQU (4<<1)
+DEVICE_SERIAL_PORT                      EQU (5<<1)