Remove unused code.

git-svn-id: https://svn.code.sf.net/p/freedos/svn/kernel/trunk@676 6ac86273-5f31-0410-b378-82cca8765d1b

drivers/floppy.asm

@@ -58,43 +58,6 @@ fl_rst1:        xor     ax,ax           ; FALSE on error
                 ret
 
 
-;
-;
-; Read DASD Type
-;
-; COUNT fl_readdasd(WORD drive)
-;
-;       returns 0-3 if successful, 0xFF if error
-;
-; Code   Meaning
-;  0     The drive is not present
-;  1     Drive present, cannot detect disk change
-;  2     Drive present, can detect disk change
-;  3     Fixed disk
-;
-%if 0
-		global	_fl_readdasd
-_fl_readdasd:
-                push    bp
-                mov     bp,sp
-
-                mov     dl,[bp+4]       ; get the drive number
-                mov     ah,15h          ;  read DASD type
-                int     13h
-
-                jc      fl_rdasd1       ; cy==1 is error
-                mov     al,ah           ; for the return code
-                xor     ah,ah
-                pop     bp              ; C exit
-                ret
-
-fl_rdasd1:      mov     ah,0            ; BIOS reset disketter & fixed disk
-                int     13h
-                mov     ax,0FFh         ; 0xFF on error
-                pop     bp              ; C exit
-                ret
-%endif
-
 ;
 ;
 ; Read disk change line status
@@ -129,32 +92,6 @@ fl_dc_error:    mov     ax,0FFh         ; 0xFF on error
                 ret
 
 
-;
-; Read the disk system status
-;
-; COUNT fl_rd_status(WORD drive)
-;
-; Returns error codes
-;
-; See Phoenix Bios Book for error code meanings
-;
-%if 0
-		global	_fl_rd_status
-_fl_rd_status:
-                push    bp              ; C entry
-                mov     bp,sp
-
-                mov     dl,[bp+4]       ; get the drive number
-                mov     ah,1            ;  read status
-                int     13h
-
-                mov     al,ah           ; for the return code
-                xor     ah,ah
-
-                pop     bp              ; C exit
-                ret
-%endif
-
 ;
 ; Format Sectors
 ;
@@ -238,136 +175,6 @@ fl_error:
                 ret
 
 
-%if 0
-;
-;
-; Get number of disks
-;
-; COUNT fl_nrdrives(VOID)
-;
-;       returns AX = number of harddisks
-;
-
-		global	_fl_nrdrives
-_fl_nrdrives:
-                push    di              ; di reserved by C-code ???
-
-                mov     ah,8            ; DISK, get drive parameters
-                mov     dl,80h
-                int     13h
-                mov     ax,0            ; fake 0 drives on error
-                jc      fl_nrd1
-                mov     al,dl
-fl_nrd1:
-                pop     di
-                ret
-%endif
-
-; ---------------------------------------------------------------------------
-;                             LBA Specific Code
-;
-;
-; Added by:  Brian E. Reifsnyder
-; ---------------------------------------------------------------------------
-
-;
-;
-; Check for Enhanced Disk Drive support (EDD).  If EDD is supported then
-;       LBA can be utilized to access the hard disk.
-;
-; unsigned int lba_support(WORD hard_disk_number)
-;
-;       returns TRUE if LBA can be utilized
-;
-%if 0
-		global  _fl_lba_support
-_fl_lba_support:
-		push    bp              ; C entry
-                mov     bp,sp
-
-		mov     dl,[bp+4]       ; get the drive number
-		mov     ah,41h          ; cmd CHECK EXTENSIONS PRESENT
-		mov     bx,55aah
-		int     13h             ; check for int 13h extensions
-
-		jc      fl_lba_support_no_lba   
-					; if carry set, don't use LBA
-		cmp     bx,0aa55h
-		jne     fl_lba_support_no_lba       
-					; if bx!=0xaa55, don't use LBA
-		test    cl,01h
-		jz      fl_lba_support_no_lba
-					; if DAP cannot be used, don't use
-					; LBA
-		mov     ax,0001h        ; return TRUE (LBA supported)
-
-		pop     bp              ; C exit
-		ret
-
-fl_lba_support_no_lba
-		xor    ax,ax            ; return FALSE (LBA not supported)
-		pop     bp              ; C exit
-		ret
-
-;
-; Read Sectors
-;
-; COUNT fl_lba_read(WORD drive, WORD dap_segment, WORD dap_offset);
-;
-; Reads one or more sectors.
-;
-; Returns 0 if successful, error code otherwise.
-;
-;
-; Write Sectors
-;
-; COUNT fl_lba_write(WORD drive, WORD dap_segment, WORD dap_offset);
-;
-; Writes one or more sectors.
-;
-; Returns 0 if successful, error code otherwise.
-;
-		global  _fl_lba_read
-_fl_lba_read:
-		mov     ah,42h          ; cmd READ
-		jmp short fl_lba_common
-		
-		global  _fl_lba_write
-_fl_lba_write:
-		mov     ax,4300h        ; cmd WRITE without verify
-		jmp short fl_lba_common
-
-		global  _fl_lba_write_and_verify
-_fl_lba_write_and_verify:
-		mov     ax,4302h        ; cmd WRITE with VERIFY
-		jmp short fl_lba_common ; This has been added for
-					; possible future use
-
-		global  _fl_lba_verify
-_fl_lba_verify:
-		mov     ah,44h          ; cmd VERIFY
-
-fl_lba_common:                
-		push    bp              ; C entry
-		mov     bp,sp
-		
-		push    ds
-
-		mov     dl,[bp+4]       ; get the drive (if or'ed 80h its
-					; hard drive.
-		lds     si,[bp+6]       ; get far dap pointer
-		int     13h             ; read from/write to drive
-		
-		mov     al,ah           ; place any error code into al
-		
-		xor     ah,ah           ; zero out ah           
-
-		pop     ds
-		
-		pop     bp
-		ret
-%endif
-
 ; COUNT fl_lba_ReadWrite(BYTE drive, UWORD mode, VOID FAR *dap_p)
 ;
 ; Returns 0 if successful, error code otherwise.