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Mnemonic Symbolic Flags (bit 7-0) Instruction Number Number of Number of Comments
operation S Z . H . V N C opcode of bytes M cycles T states
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LD r, r' r <- r' * * X * X * * * 01 <r> <r'> 1 1 4 r:
LD r, n r <- n * * X * X * * * 00 <r> 110 2 2 7 000 C
-- <n> --- 001 B
010 E
LD r,(HL) r <- (HL) * * X * X * * * 01 <r> 110 1 2 7 011 D
LD r,(IX+d) r <- (IX+d) * * X * X * * * 11 011 101 (DDh) 3 5 19 100 L
LD r,(IY+d) r <- (IY+d) * * X * X * * * 11 111 101 (FDh) 3 5 19 101 H
01 <r> 110 111 A
-- <d> ---
LD (HL),r (HL) <- r * * X * X * * * 01 110 <r> 1 2 7
LD (IX+d),r (IX+d) <- r * * X * X * * * 11 011 101 (DDh) 3 5 19
LD (IY+d),r (IY+d) <- r * * X * X * * * 11 111 101 (FDh) 3 5 19
01 110 <r>
-- <d> ---
LD (HL),n (HL) <- n * * X * X * * * 00 110 110 (36h) 2 3 10
-- <n> ---
LD (IX+d),n (IX+d) <- n * * X * X * * * 11 011 101 (DDh) 4 5 19
LD (IY+d),n (IY+d) <- n * * X * X * * * 11 111 101 (FDh) 4 5 19
00 110 110 (36h)
-- <d> ---
-- <n> ---
LD A,(BC) A <- (BC) * * X * X * * * 00 001 010 (0Ah) 1 2 7
LD A,(DE) A <- (DE) * * X * X * * * 00 011 010 (1Ah) 1 2 7
LD A,(nn) A <- (nn) * * X * X * * * 00 111 010 (3Ah) 3 4 13
-- <nn> --
LD (BC),A (BC) <- A * * X * X * * * 00 000 010 (02h) 1 2 7
LD (DE),A (DE) <- A * * X * X * * * 00 010 010 (12h) 1 2 7
LD (nn),A (nn) <- A * * X * X * * * 00 110 010 (32h) 3 4 13
-- <nn> --
LD A,I A <- I ? ? X 0 X f 0 * 11 101 101 (EDh) 2 2 9
01 010 111 (57h)
LD A,R A <- R ? ? X 0 X f 0 * 11 101 101 (EDh) 2 2 9
01 011 111 (5Fh)
LD I,A I <- A * * X * X * * * 11 101 101 (EDh) 2 2 9
01 000 111 (47h)
LD R,A R <- A * * X * X * * * 11 101 101 (EDh) 2 2 9
01 001 111 (4Fh)
f: Interrupt enable flip-flop copied to P/V.