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Save a couple of bytes for the SIO case.

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This commit is contained in:
Poul-Henning Kamp 2004-06-17 12:02:25 +00:00
parent 7196870cbb
commit d33ccadc81
1 changed files with 2 additions and 4 deletions
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6
sys/boot/i386/boot0/boot0.S
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@ -96,9 +96,8 @@ main:
/*
* Initialize the serial port. bioscom preserves the driver number in DX.
*/
movb COMSPEED,%al # defined by Makefile
movb $0x00,%ah # BIOS: Set COM Port
call bioscom
movw COMSPEED,%ax # defined by Makefile
callw bioscom
#endif /* SIO */
/*
* Check what flags were loaded with us, specifically, Use a predefined Drive.
@ -372,7 +371,6 @@ putchr:
#else /* SIO */
putchr:
movb $0x01,%ah # BIOS: Send
xorw %cx,%cx # No timeout
bioscom:
pushw %dx # Save
xorw %dx,%dx # Use COM1