Changeset 260 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Src/Handlers

Timestamp:

Feb 23, 2012, 6:10:13 PM (13 years ago)

Author:

gregli@…

google:author:

gregli@hotmail.com

Message:

Implemented function int13h/05h (floppy disk format track), that simply returns success, allowing emulated serial floppies to be formatted.

File:

• trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h.asm (modified) (3 diffs)

trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h.asm

@@ -56 +56 @@
     jmp     [cs:bx+g_rgwEbiosFunctionJumpTable]
 %endif
+
 
 ;--------------------------------------------------------------------
@@ -114 +115 @@
 %endif
 
+%ifdef MODULE_SERIAL_FLOPPY
+;--------------------------------------------------------------------
+; Int13h_ReturnSuccessForFloppy
+;
+; Some operations, such as format of a floppy disk track, should just
+; return success, while for hard disks it should be treated as unsupported.
+;--------------------------------------------------------------------
+ALIGN JUMP_ALIGN
+Int13h_ReturnSuccessForFloppy:
+    test    dl, dl
+    js      short Int13h_UnsupportedFunction
+    mov     ah, 0
+    jmp     short Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAH
+%endif
 
 ;--------------------------------------------------------------------
@@ -249 +264 @@
     dw  AH3h_HandlerForWriteDiskSectors                 ; 03h, Write Disk Sectors (All)
     dw  AH4h_HandlerForVerifyDiskSectors                ; 04h, Verify Disk Sectors (All)
+%ifdef MODULE_SERIAL_FLOPPY
+    dw  Int13h_ReturnSuccessForFloppy                   ; 05h, Format Disk Track (XT, AT, EISA)
+%else
     dw  Int13h_UnsupportedFunction                      ; 05h, Format Disk Track (XT, AT, EISA)
+%endif
     dw  Int13h_UnsupportedFunction                      ; 06h, Format Disk Track with Bad Sectors (XT)
     dw  Int13h_UnsupportedFunction                      ; 07h, Format Multiple Cylinders (XT)