diff options
Diffstat (limited to 'sys/boot/i386')
| -rw-r--r-- | sys/boot/i386/boot0/boot0.S | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/sys/boot/i386/boot0/boot0.S b/sys/boot/i386/boot0/boot0.S index 5284188..3349009 100644 --- a/sys/boot/i386/boot0/boot0.S +++ b/sys/boot/i386/boot0/boot0.S @@ -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 |
