Changeset 392 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Inc/BootVars.inc

Timestamp:

Apr 17, 2012, 2:42:54 PM (13 years ago)

Author:

aitotat@…

google:author:

aitotat@gmail.com

Message:

Changes to XTIDE Universal BIOS:

• Greatly improved Hotkey Bar is displayed during drive detection.
• 8k builds no longer include boot menu.
• Boot menu is displayed only if F2 is pressed during drive detection.
• Some changes to directory structure.

File:

• trunk/XTIDE_Universal_BIOS/Inc/BootVars.inc (modified) (1 diff)

trunk/XTIDE_Universal_BIOS/Inc/BootVars.inc

@@ -30 +30 @@
 ; Segment is always 0000h, same as BDA segment
 struc BOOTVARS
-                    resb    7C00h
-    .rgbAtaInfo:                    ; 7C00h, ATA Information for drive detection
-    .rgbBootSect    resb    512     ; 7C00h, Boot sector
-                    resb    256     ; Boot Menu stack
+                        resb    7C00h
+    .rgbAtaInfo:                        ; 7C00h, ATA Information for drive detection
+    .rgbBootSect        resb    512     ; 7C00h, Boot sector
+                        resb    256     ; Boot Menu stack
     .rgbMnuStack:
-    .dwPostStack    resb    4       ; POST stack pointer when entering INT 19h
-    .rgBootNfo:                     ; Array containing BOOTNFO structs
+    .dwPostStack        resb    4       ; POST stack pointer when entering INT 19h
+    .hotkeyVars         resb    HOTKEYVARS_size
+    .rgBootNfo:                         ; Array containing BOOTNFO structs
 endstruc
+
+struc HOTKEYVARS
+    .bScancode          resb    1       ; Function hotkey scancode
+    .bFlags             resb    1       ; Must be just before .bHddLetter! 
+    .wHddAndFddLetters:
+    .bHddLetter         resb    1       ; Hard Drive letter hotkey (upper case)
+    .bFddLetter         resb    1       ; Floppy Drive letter hotkey (upper case)
+endstruc
+
+; Bit defines for HOTKEYVARS.bFlags
+FLG_HOTKEY_HD_FIRST     EQU     (1<<0)  ; First try to boot from HDD, then FDD
+