16 bit Assembly

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MOV   - Move Instruction

The Move instruction moves values from and to Registers and memory addresses.
This command has 3 parts, Instruction, Register, then either a Register, Immediate value or a memory address.

Assembly Sample	Description	16 bit Machine Code
MOV AL, 0x03	;  Move an immediate 8 bit number   to an 8 bit Register	B8 03
MOV AX, 0x07D4	;  Move an immediate 16 bit number   to a 16 bit Register	B8 D4 07
MOV AL, AH	;  Move 8 bit Register to 8 bit Register	8A C4
MOV AX, CX	;  Move 16 bit Register to 16 bit Register	8B C1
MOV AX, ES	;  Move 16 bit Register   to a 16 bit Segment Register	8C C0
MOV ES, AX	;  Move 16 bit Segment Register   to a 16 bit Register	8E C0
MOV BX, 0x0020	;  Assign a memory address to BX	BB 20 00
MOV [BX], 0x07D4	;  Move an immediate value to a memory address	C7 07 D4 07
MOV [BX], AX	;  Move a 16 bit Register to a memory address	89 07
MOV AX, [BX]	;  Move a memory address to a 16 bit Register	8B 07

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Last Update 06/02/2023