HelpPC 2.10 Quick Reference Utility Copyright 1991 David Jurgens

                          CBW - Convert Byte to Word

       Usage:  CBW
       Modifies flags: None

       Converts byte in AL to word Value in AX by extending sign of AL
       throughout register AH.

                                Clocks                 Size
       Operands         808x  286   386   486          Bytes

       none              2     2     3     3             1

       - see Instruction Timing

Esc or Alt-X to exit cbw Home/PgUp/PgDn/End ←↑↓→
Converted to HTML in 2006 by Timo Bingmann