16 bit Assembly

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DEC   - Decrement Instruction

The DEC instruction is used to reduce the operand by one. The operand is reduce by one.
This command has 2 parts, Instruction, then either a Register or a memory address.

Assembly Sample Description   16 bit Machine Code
DEC AX;  Decrements a Register   48
DEC [BX];  Decrements a memory address   FF 0F




Last Update 06/02/2023