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Register
L R1,R2 (IBM 360) - copy contents of r2 to r1
TAX (6502) - copy contents of accumulator to the x register, also
qualifies as an implied because instruction is only an opcode.
Direct
Direct (6502)
Zero page - LDA $23 - two byte instruction that copies the byte
contents of memory location $23 into the accumulator.
Absolute - LDA $1243 - three byte instruction that copies the byte
contents of memory location $1243 into the accumulator.
Direct (8088)
Near - JMP 0423 - 2 byte @ in current code segment. Current
contents of segment register implied.
Far - JMP 0120:0423 - 4 byte actual address
01200h + 0423h = 01623h (a 20 bit address)