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back2root:ibm-pc-ms-dos:instr:aam

AAM

AAM - Ascii Adjust for Multiplication

Used after multiplication of two unpacked decimal numbers, this instruction adjusts an unpacked decimal number.

The high order nibble of each byte must be zeroed before using this instruction.

This instruction is also known to have an undocumented behavior.

Usage:

	AAM		;

Modifies flags:

PF ZF SF

Clocks Size
Operands 808x 286 386 486 Bytes
none 83 16 17 15 1
back2root/ibm-pc-ms-dos/instr/aam.txt · Dernière modification : 2023/03/03 23:53 de 127.0.0.1