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back2root:ibm-pc-ms-dos:instr:cbw
CBW
CBW - Convert Byte to Word
Converts byte in AL to word Value in AX by extending sign of AL throughout register AH.
Usage:
CBW ;
Modifies flags:
| Clocks | Size | |
Operands | 808x | 286 | 386 | 486 | Bytes | |
none | 2 | 2 | 3 | 3 | 1 | |
back2root/ibm-pc-ms-dos/instr/cbw.txt · Dernière modification : 2023/03/03 23:53 de 127.0.0.1