summaryrefslogtreecommitdiffstats
path: root/contrib/syslinux/syslinux-4.03/core/rawcon.inc
diff options
context:
space:
mode:
Diffstat (limited to 'contrib/syslinux/syslinux-4.03/core/rawcon.inc')
-rw-r--r--contrib/syslinux/syslinux-4.03/core/rawcon.inc75
1 files changed, 0 insertions, 75 deletions
diff --git a/contrib/syslinux/syslinux-4.03/core/rawcon.inc b/contrib/syslinux/syslinux-4.03/core/rawcon.inc
deleted file mode 100644
index f0d434c..0000000
--- a/contrib/syslinux/syslinux-4.03/core/rawcon.inc
+++ /dev/null
@@ -1,75 +0,0 @@
-;
-; writechr: Write a single character in AL to the console without
-; mangling any registers. This does raw console writes,
-; since some PXE BIOSes seem to interfere regular console I/O.
-;
-%if IS_ISOLINUX
-writechr_full:
-%else
-writechr:
-%endif
- pushfd
- push ds
- push cs
- pop ds
- test byte [UsingVGA], 08h
- jz .videook
- call vgaclearmode
-.videook:
- call write_serial ; write to serial port if needed
- test byte [DisplayCon],01h ; Write to screen?
- jz .nothing
-
- pushad
- mov bh,[BIOS_page]
- push ax
- mov ah,03h ; Read cursor position
- int 10h
- pop ax
- cmp al,8
- je .bs
- cmp al,13
- je .cr
- cmp al,10
- je .lf
- push dx
- mov bh,[BIOS_page]
- mov bl,07h ; White on black
- mov cx,1 ; One only
- mov ah,09h ; Write char and attribute
- int 10h
- pop dx
- inc dl
- cmp dl,[VidCols]
- jna .curxyok
- xor dl,dl
-.lf: inc dh
- cmp dh,[VidRows]
- ja .scroll
-.curxyok: mov bh,[BIOS_page]
- mov ah,02h ; Set cursor position
- int 10h
-.ret: popad
-.nothing:
- pop ds
- popfd
- ret
-.scroll: dec dh
- mov bh,[BIOS_page]
- mov ah,02h
- int 10h
- mov ax,0601h ; Scroll up one line
- mov bh,[ScrollAttribute]
- xor cx,cx
- mov dx,[ScreenSize] ; The whole screen
- int 10h
- jmp short .ret
-.cr: xor dl,dl
- jmp short .curxyok
-.bs: sub dl,1
- jnc .curxyok
- mov dl,[VidCols]
- sub dh,1
- jnc .curxyok
- xor dh,dh
- jmp short .curxyok