Changeset 221 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Inc

Timestamp:

Jan 25, 2012, 2:36:47 PM (13 years ago)

Author:

aitotat@…

google:author:

aitotat@gmail.com

Message:

Changes to XTIDE Universal BIOS:

• AH=0Ch (Seek) should work properly again.
• More than 127 sectors are no longer allowed for EBIOS functions.
• Changed location for BOOTNFO structs.

Location:

trunk/XTIDE_Universal_BIOS/Inc

Files:

• BootVars.inc (modified) (1 diff)
• EBIOS.inc (modified) (1 diff)

trunk/XTIDE_Universal_BIOS/Inc/BootVars.inc

@@ -22 +22 @@
 ; Segment is always 0000h, same as BDA segment
 struc BOOTVARS
-                    resb    800h
-    .dwPostStack    resb    4       ;  804h, POST stack when entering INT 19h
-                    resb    8
-    .rgBootNfo      resb    73F4h   ;  80Ch, Array containing BOOTNFO structs
-    .rgbMnuStack:                   ; 7C00h and below, 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
 endstruc
 

trunk/XTIDE_Universal_BIOS/Inc/EBIOS.inc

@@ -41 +41 @@
     .bSize                  resb    1   ; 0, Size of this packet in bytes
     .bReservedAt1           resb    1   ; 1, Currently unused, must be zero
-    .bSectorCount           resb    1   ; 2, Number of sectors to process (0...127)
-    .bReservedAt3           resb    1   ; 3, Currently unused, must be zero
+    .wSectorCount           resb    1   ; 2, Number of sectors to process (0...127)
     .dwMemoryAddress:
     .wOffset                resb    2   ; 4, Memory offset for transfer