Mov @hl, a, Mov a, mem, Mov xa, mem – NEC PD75402A User Manual
Page 171: Mov mem, a, Mov mem, xa
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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 = D
7
to D
0
: 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 = D
7
to D
0
: 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 = D
7
to D
0
: 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 = D
7
to D
0
: 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.