Changeset 218 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h

Timestamp:

Jan 23, 2012, 9:10:05 PM (13 years ago)

Author:

aitotat@…

google:author:

aitotat@gmail.com

Message:

Changes to XTIDE Universal BIOS:

• Number of sectors to transfer is now limited to 1-128 for old INT 13h functions.

Location:

trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h

Files:

• AH24h_HSetBlocks.asm (modified) (1 diff)
• AH2h_HRead.asm (modified) (1 diff)
• EBIOS/AH42h_ExtendedReadSectors.asm (modified) (1 diff)
• Tools/PrepareBuffer.asm (added)

trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h/AH24h_HSetBlocks.asm

@@ -53 +53 @@
 ;ALIGN JUMP_ALIGN
 AH24h_SetBlockSize:
-    MIN_U   al, MAX_SUPPORTED_BLOCK_SIZE_IN_SECTORS
     push    ax
     xchg    dx, ax          ; DL = Block size (Sector Count Register)

trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h/AH2h_HRead.asm

@@ -31 +31 @@
     mov     ah, [cs:bx+g_rgbReadCommandLookup]
     mov     bx, TIMEOUT_AND_STATUS_TO_WAIT(TIMEOUT_DRQ, FLG_STATUS_DRQ)
-    mov     si, [bp+IDEPACK.intpack+INTPACK.bx]
 %ifdef USE_186
     push    Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAH

trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h/EBIOS/AH42h_ExtendedReadSectors.asm

@@ -55 +55 @@
     cmp     BYTE [es:si+DAP.bSize], MINIMUM_DAP_SIZE
     jb      SHORT AH42h_ReturnWithInvalidFunctionError
-    cmp     WORD [es:si+DAP.wSectorCount], BYTE 0
+    cmp     WORD [es:si+DAP.bSectorCount], BYTE 0
     je      SHORT AH42h_ReturnWithInvalidFunctionError
     ret