CHAPTER 9. INSTRUCTION SET

MOV @HL, A

Function: (HL) A

Moves the contents of the A register to the data memory addressed by the contents of register pair HL.

MOV A, mem

Function: A (mem); mem = D7 to D0 : 00H to 3FH

Moves the data memory contents addressed by 8-bit immediate data mem to the A register.

MOV XA, mem

Function: A (mem), X (mem + 1); mem = D7 to D0 : 00H to 3EH

Moves the data memory contents addressed by 8-bit immediate data mem to the A register and the contents of the next address to the X register.

mem can specify even addresses.

Application example: Move the data of addresses 20H and 21H to register pair XA.

MOV XA, 20H

MOV mem, A

Function: (mem) A; mem = D7 to D0 : 00H to 3FH

Move the contents of the A register to the data memory addressed by 8-bit immediate data mem.

MOV mem, XA

Function: (mem) A, (mem + 1) X; mem = D7 to D0 : 00H to 3EH

Moves the contents of the A register to the data memory addressed by 8-bit immediate data mem and the contents of the X register to the next memory address.

mem can specify even addresses.

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NEC PD75402A, PD75P402 user manual MOV XA, 20H, 160