Changeset 417 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Src/Device/IDE/IdeTransfer.asm

Timestamp:

May 5, 2012, 4:01:03 PM (12 years ago)

Author:

aitotat@…

google:author:

aitotat@gmail.com

Message:

Changes to XTIDE Universal BIOS:

• AT builds now relocate INT 13h stack to top of stolen conventional memory.
• Some small fixes here and there.

File:

• trunk/XTIDE_Universal_BIOS/Src/Device/IDE/IdeTransfer.asm (modified) (4 diffs)

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

@@ -113 +113 @@
     mov     di, si                              ; DS:DI now points DPT
 CheckErrorsAfterTransferringLastBlock:
-    mov     bx, TIMEOUT_AND_STATUS_TO_WAIT(TIMEOUT_DRQ, FLG_STATUS_DRDY)
+    mov     bx, TIMEOUT_AND_STATUS_TO_WAIT(TIMEOUT_DRQ, FLG_STATUS_BSY)
     call    IdeWait_PollStatusFlagInBLwithTimeoutInBH
 
@@ -304 +304 @@
 ;       Nothing
 ;   Corrupts registers:
-;       AX, CX
+;       AX, BX, CX, DX
 ;--------------------------------------------------------------------
 %ifdef MODULE_8BIT_IDE
@@ -311 +311 @@
 WriteBlockToXtideRev1:
     push    ds
-    push    bx
     UNROLL_SECTORS_IN_CX_TO_QWORDS
     mov     bl, 8       ; Bit mask for toggling data low/high reg
@@ -323 +322 @@
     XTIDE_OUTSW
     loop    .OutswLoop
-    pop     bx
     pop     ds
     ret