Changeset 161 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Src/Handlers

Timestamp:

May 8, 2011, 8:02:52 PM (14 years ago)

Author:

krille_n_@…

google:author:

krille_n_@hotmail.com

Message:

Changes to XTIDE Universal BIOS:

• Minor size optimizations.
• Tried to minimize the time spent with interrupts disabled in IdeIrq.asm and Int13h.asm

Location:

trunk/XTIDE_Universal_BIOS/Src/Handlers

Files:

• Int13h.asm (modified) (5 diffs)
• Int13h/Address.asm (modified) (1 diff)

trunk/XTIDE_Universal_BIOS/Src/Handlers/Int13h.asm

@@ -48 +48 @@
 ;       SS:BP:  Ptr to IDEPACK
 ;       BX, DI: Corrupted on Int13h_DiskFunctionsHandler
-;       Other:  Function specific INT 13h parameters 
+;       Other:  Function specific INT 13h parameters
 ;   Returns:
 ;       Depends on function
@@ -152 +152 @@
     xchg    di, [es:BIOS_DISK_INTERRUPT_13h*4+2]
     mov     [RAMVARS.fpOldI13h+2], di
+    sti
     pop     es
-    sti
     ret
 
@@ -184 +184 @@
     or      BYTE [bp+IDEPACK.intpack+INTPACK.flags], FLG_FLAGS_CF
     ret
-
 
 
@@ -212 +211 @@
     dw  Int13h_UnsupportedFunction                      ; 14h, Controller Internal Diagnostic (All)
     dw  AH15h_HandlerForReadDiskDriveSize               ; 15h, Read Disk Drive Size (AT+)
-    dw  Int13h_UnsupportedFunction                      ; 16h, 
-    dw  Int13h_UnsupportedFunction                      ; 17h, 
-    dw  Int13h_UnsupportedFunction                      ; 18h, 
+    dw  Int13h_UnsupportedFunction                      ; 16h,
+    dw  Int13h_UnsupportedFunction                      ; 17h,
+    dw  Int13h_UnsupportedFunction                      ; 18h,
     dw  Int13h_UnsupportedFunction                      ; 19h, Park Heads (PS/2)
     dw  Int13h_UnsupportedFunction                      ; 1Ah, Format ESDI Drive (PS/2)
     dw  Int13h_UnsupportedFunction                      ; 1Bh, Get ESDI Manufacturing Header (PS/2)
     dw  Int13h_UnsupportedFunction                      ; 1Ch, ESDI Special Functions (PS/2)
-    dw  Int13h_UnsupportedFunction                      ; 1Dh, 
-    dw  Int13h_UnsupportedFunction                      ; 1Eh, 
-    dw  Int13h_UnsupportedFunction                      ; 1Fh, 
-    dw  Int13h_UnsupportedFunction                      ; 20h, 
+    dw  Int13h_UnsupportedFunction                      ; 1Dh,
+    dw  Int13h_UnsupportedFunction                      ; 1Eh,
+    dw  Int13h_UnsupportedFunction                      ; 1Fh,
+    dw  Int13h_UnsupportedFunction                      ; 20h,
     dw  Int13h_UnsupportedFunction                      ; 21h, Read Disk Sectors, Multiple Blocks (PS/1)
     dw  Int13h_UnsupportedFunction                      ; 22h, Write Disk Sectors, Multiple Blocks (PS/1)
@@ -228 +227 @@
     dw  AH24h_HandlerForSetMultipleBlocks               ; 24h, Set Multiple Blocks (PS/1)
     dw  AH25h_HandlerForGetDriveInformation             ; 25h, Get Drive Information (PS/1)
-;   dw  Int13h_UnsupportedFunction                      ; 26h, 
-;   dw  Int13h_UnsupportedFunction                      ; 27h, 
-;   dw  Int13h_UnsupportedFunction                      ; 28h, 
-;   dw  Int13h_UnsupportedFunction                      ; 29h, 
-;   dw  Int13h_UnsupportedFunction                      ; 2Ah, 
-;   dw  Int13h_UnsupportedFunction                      ; 2Bh, 
-;   dw  Int13h_UnsupportedFunction                      ; 2Ch, 
-;   dw  Int13h_UnsupportedFunction                      ; 2Dh, 
-;   dw  Int13h_UnsupportedFunction                      ; 2Eh, 
-;   dw  Int13h_UnsupportedFunction                      ; 2Fh, 
-;   dw  Int13h_UnsupportedFunction                      ; 30h, 
-;   dw  Int13h_UnsupportedFunction                      ; 31h, 
-;   dw  Int13h_UnsupportedFunction                      ; 32h, 
-;   dw  Int13h_UnsupportedFunction                      ; 33h, 
-;   dw  Int13h_UnsupportedFunction                      ; 34h, 
-;   dw  Int13h_UnsupportedFunction                      ; 35h, 
-;   dw  Int13h_UnsupportedFunction                      ; 36h, 
-;   dw  Int13h_UnsupportedFunction                      ; 37h, 
-;   dw  Int13h_UnsupportedFunction                      ; 38h, 
-;   dw  Int13h_UnsupportedFunction                      ; 39h, 
-;   dw  Int13h_UnsupportedFunction                      ; 3Ah, 
-;   dw  Int13h_UnsupportedFunction                      ; 3Bh, 
-;   dw  Int13h_UnsupportedFunction                      ; 3Ch, 
-;   dw  Int13h_UnsupportedFunction                      ; 3Dh, 
-;   dw  Int13h_UnsupportedFunction                      ; 3Eh, 
-;   dw  Int13h_UnsupportedFunction                      ; 3Fh, 
-;   dw  Int13h_UnsupportedFunction                      ; 40h, 
+;   dw  Int13h_UnsupportedFunction                      ; 26h,
+;   dw  Int13h_UnsupportedFunction                      ; 27h,
+;   dw  Int13h_UnsupportedFunction                      ; 28h,
+;   dw  Int13h_UnsupportedFunction                      ; 29h,
+;   dw  Int13h_UnsupportedFunction                      ; 2Ah,
+;   dw  Int13h_UnsupportedFunction                      ; 2Bh,
+;   dw  Int13h_UnsupportedFunction                      ; 2Ch,
+;   dw  Int13h_UnsupportedFunction                      ; 2Dh,
+;   dw  Int13h_UnsupportedFunction                      ; 2Eh,
+;   dw  Int13h_UnsupportedFunction                      ; 2Fh,
+;   dw  Int13h_UnsupportedFunction                      ; 30h,
+;   dw  Int13h_UnsupportedFunction                      ; 31h,
+;   dw  Int13h_UnsupportedFunction                      ; 32h,
+;   dw  Int13h_UnsupportedFunction                      ; 33h,
+;   dw  Int13h_UnsupportedFunction                      ; 34h,
+;   dw  Int13h_UnsupportedFunction                      ; 35h,
+;   dw  Int13h_UnsupportedFunction                      ; 36h,
+;   dw  Int13h_UnsupportedFunction                      ; 37h,
+;   dw  Int13h_UnsupportedFunction                      ; 38h,
+;   dw  Int13h_UnsupportedFunction                      ; 39h,
+;   dw  Int13h_UnsupportedFunction                      ; 3Ah,
+;   dw  Int13h_UnsupportedFunction                      ; 3Bh,
+;   dw  Int13h_UnsupportedFunction                      ; 3Ch,
+;   dw  Int13h_UnsupportedFunction                      ; 3Dh,
+;   dw  Int13h_UnsupportedFunction                      ; 3Eh,
+;   dw  Int13h_UnsupportedFunction                      ; 3Fh,
+;   dw  Int13h_UnsupportedFunction                      ; 40h,
 ;   dw  Int13h_UnsupportedFunction                      ; 41h, Check if Extensions Present (EBIOS)*
 ;   dw  Int13h_UnsupportedFunction                      ; 42h, Extended Read Sectors (EBIOS)*

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

@@ -93 +93 @@
     shl     dx, cl                  ; DX = LCylinder << n
     add     ax, dx                  ; AX = P-CHS Cylinder number
-    mov     cx, ax                  ; Copy P-CHS Cylinder number to CX
+    xchg    cx, ax                  ; Move P-CHS Cylinder number to CX
 DoNotConvertLCHS:
     ret