[syslinux] [PATCH 0/3] v2: mbr: Ctrl-key press forces load from first hard disk

[Geert Stappers]

Op 20090330 om 17:43 schreef H. Peter Anvin:
> TJ wrote:
>> Version 2 of these patches includes optimisations suggested by H Peter
>> Alvin to save bytes:
>>
>>   * Use memory-mapped I/O register to read keyboard shift flags
>>   * Don't reload DX from memory; move immediate byte to register
>>
>> Tested using mbr.bin.
>>
>> TJ (3):
>>   mbr: Ctrl-key press forces load from first hard disk
>>   gptmbr: Ctrl-key press forces load from first hard disk
>>   isohdpfx: Ctrl-key press forces load from first hard disk
>>
>
> I did a slightly different version of the same idea which got the  
> overhead down to 9 bytes and pushed that onto a new "ctrl-mbr" branch of  
> the upstream git tree.


How to send "ctrl" throug a serial console line?


Cheers
Geert Stappers