Changeset 65 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS_Configurator_v2/Src/EEPROM.asm

Timestamp:

Dec 5, 2010, 6:52:11 PM (14 years ago)

Author:

Tomi Tilli

google:author:

aitotat

Message:

Changes to XTIDE Universal BIOS Configurator v2:

• All necessary features should now be implemented.

File:

• trunk/XTIDE_Universal_BIOS_Configurator_v2/Src/EEPROM.asm (modified) (2 diffs)

trunk/XTIDE_Universal_BIOS_Configurator_v2/Src/EEPROM.asm

@@ -2 +2 @@
 ; Project name  :   XTIDE Univeral BIOS Configurator v2
 ; Created date  :   19.4.2010
-; Last update   :   10.10.2010
+; Last update   :   3.12.2010
 ; Author        :   Tomi Tilli
 ; Description   :   Functions for managing EEPROM contents.
+
+; Section containing initialized data
+SECTION .data
+
+ALIGN WORD_ALIGN
+g_rgwEepromTypeToSizeInWords:
+    dw      (2<<10) / 2     ; EEPROM_TYPE.2816_2kiB
+    dw      (8<<10) / 2
+    dw      (32<<10) / 2
+    dw      (64<<10) / 2
+
+g_rgwEepromPageToSizeInBytes:
+    dw      1               ; EEPROM_PAGE.1_byte
+    dw      2
+    dw      4
+    dw      8
+    dw      16
+    dw      32
+    dw      64
+
+
 
 ; Section containing code
@@ -134 +155 @@
 
 ;--------------------------------------------------------------------
-; EEPROM_GetPointerForFlashingToESDI
+; EEPROM_LoadFromRomToRamComparisonBuffer
 ;   Parameters:
 ;       Nothing
 ;   Returns:
-;       ES:DI:  Ptr to EEPROM to be flashed
+;       Nothing
 ;   Corrupts registers:
-;       Nothing
+;       BX, CX, SI, DI
 ;--------------------------------------------------------------------
 ALIGN JUMP_ALIGN
-EEPROM_GetPointerForFlashingToESDI:
-    mov     es, [cs:g_cfgVars+CFGVARS.wEepromSegment]
-    xor     di, di
+EEPROM_LoadFromRomToRamComparisonBuffer:
+    push    es
+    push    ds
+
+    mov     ds, [cs:g_cfgVars+CFGVARS.wEepromSegment]
+    xor     si, si
+    call    Buffers_GetFlashComparisonBufferToESDI
+    eMOVZX  bx, BYTE [cs:g_cfgVars+CFGVARS.bEepromType]
+    mov     cx, [cs:bx+g_rgwEepromTypeToSizeInWords]
+    cld
+    rep movsw
+
+    pop     ds
+    pop     es
     ret