Changeset 408 in xtideuniversalbios

Timestamp:

Apr 25, 2012, 8:57:37 PM (13 years ago)

Author:

aitotat@…

google:author:

aitotat@gmail.com

Message:

Changes to XTIDE Universal BIOS:

• Restored polling BSY before selecting drive since 4GB Magicstor microdrive seems to require it.

Location:

trunk/XTIDE_Universal_BIOS

Files:

• Inc/RomVars.inc (modified) (1 diff)
• Src/Device/IDE/IdeCommand.asm (modified) (1 diff)

trunk/XTIDE_Universal_BIOS/Inc/RomVars.inc

@@ -34 +34 @@
     .wFlags             resb    2   ; Word for ROM flags
     .wDisplayMode       resb    2   ; Display mode for boot menu
-    .wfDisplayBootMenu:             ; Zero = no Boot Menu, non-zero = Boot Menu timeout
     .wBootTimeout       resb    2   ; Boot Menu selection timeout in system timer ticks
     .bIdeCnt            resb    1   ; Number of available IDE controllers

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

@@ -195 +195 @@
 ALIGN JUMP_ALIGN
 IdeCommand_SelectDrive:
+    ; Wait until neither Master or Slave Drive is busy
+    mov     bx, TIMEOUT_AND_STATUS_TO_WAIT(TIMEOUT_BSY, FLG_STATUS_BSY)
+    cmp     BYTE [bp+IDEPACK.bCommand], COMMAND_IDENTIFY_DEVICE
+    eCMOVE  bh, TIMEOUT_IDENTIFY_DEVICE
+    call    IdeWait_PollStatusFlagInBLwithTimeoutInBH
+
     ; Select Master or Slave Drive
     mov     al, [bp+IDEPACK.bDrvAndHead]