Changeset 259 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Src/Boot/BootMenuPrint.asm

Timestamp:

Feb 23, 2012, 7:14:06 AM (12 years ago)

Author:

gregli@…

google:author:

gregli@hotmail.com

Message:

For function int13/0h, restored the code to only reset the floppy drives if a floppy drive was passed in for reset. Other minor optimizations. Better create new floppy support in Serial Server.

File:

• trunk/XTIDE_Universal_BIOS/Src/Boot/BootMenuPrint.asm (modified) (4 diffs)

trunk/XTIDE_Universal_BIOS/Src/Boot/BootMenuPrint.asm

@@ -23 +23 @@
     mov     bp, sp
 
-    call    RamVars_IsDriveHandledByThisBIOS                
+    call    RamVars_IsDriveHandledByThisBIOS_And_FindDPT_ForDriveNumber
     jc      .notOurs
 
-    call    FindDPT_ForDriveNumber                  ; if it is one of ours, print the string in bootnfo
     call    BootMenuInfo_ConvertDPTtoBX
     mov     si, g_szDriveNumBOOTNFO                 ; special g_szDriveNum that prints from BDA
@@ -112 +111 @@
     mov     si, g_szCapacity                            ; Setup print string now, carries through to print call
 
-    xor     di, di
-    call    RamVars_IsDriveHandledByThisBIOS
-    jc      SHORT .notours
-    call    FindDPT_ForDriveNumber                      ; DS:DI to point DPT
-.notours:       
-        
+    xor     di, di                                      ; Zero DI for checks for our drive later on
+    call    RamVars_IsDriveHandledByThisBIOS_And_FindDPT_ForDriveNumber
+
     test    dl, dl                                      ; are we a hard disk?
-    js      BootMenuPrint_HardDiskRefreshInformation        
-
-    test    di,di
-    jnz     .ours
+    js      BootMenuPrint_HardDiskRefreshInformation    
+
+    test    di, di
+    jnz     .ours                                       ; Based on CF from RamVars_IsDriveHandledByThisBIOS above
     call    FloppyDrive_GetType                         ; Get Floppy Drive type to BX
     jmp     .around
@@ -187 +183 @@
 ; BootMenuPrint_HardDiskMenuitemInformation
 ;   Parameters:
-;       DL:     Untranslated Hard Disk number
 ;       DS:     RAMVARS segment
 ;   Returns:
@@ -196 +191 @@
 ALIGN JUMP_ALIGN
 BootMenuPrint_HardDiskRefreshInformation:       
-    test    di,di
+    test    di, di
     jz      .HardDiskMenuitemInfoForForeignDrive        
 
 .HardDiskMenuitemInfoForOurDrive:
-    ePUSH_T ax, g_szInformation
-
-    ; Get and push total LBA size
-    call    BootMenuInfo_GetTotalSectorCount
+    ePUSH_T ax, g_szInformation                     ; Add substring for our hard disk information
+    call    BootMenuInfo_GetTotalSectorCount        ; Get Total LBA Size
     jmp     .ConvertSectorCountInBXDXAXtoSizeAndPushForFormat