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LDX

Category
Reference/6502 Programming/Assembly

Topic
LDX - LoaD X register

Affects Flags: S Z

Loads a memory byte (or an immediate value) into the X register.

Examples
LDX #$00 X register will be equal to zero
LDX $FF15 X register will be equal to whatever the value of memory location $FF15 is

Opcodes

Addressing Mode	Syntax	Opcode	Bytes	Cycles
Immediate	LDX #$44	$A2	2	2
Zero Page	LDX $44	$A6	2	3
Zero Page,Y	LDX $44,Y	$B6	2	4
Absolute	LDX $4400	$AE	3	4
Absolute,Y	LDX $4400,Y	$BE	3	4+

+ add 1 cycle if page boundary crossed

See Also
LDA, LDY