NSC800N datasheet(33/76 Pages) NSC

33 / 76 page

124 8-Bit Loads (Continued)

m2 A

Load memory from the Accumulator

w A

No flags affected

76543210

00000010

LD (BC) A

00010010

LD (DE) A

Timing

M cycles

T states

7 (4 3)

Addressing Mode

Source

Destination

76543210

00110010

LD (nn) A

n (low-order byte)

n (high-order byte)

Timing

M cycles

T states

3 (4 3 3 3)

Addressing Mode

Source

Destination

Direct

m1 n

Load memory with immediate data

w n

No flags affected

76543210

00110110

LD(HL) n

Timing

M cycles3

T states10 (4 3 3)

Addressing Mode

SourceImmediate

DestinationRegister Indirect

3210

LD (IX a d) n(for NX e 0)

11NX 11101

LD (IY a d) n(for NX e 1)

0110

Timing

M cycles5

T states19 (4 4 3 5 3)

Addressing Mode

SourceImmediate

DestinationIndexed

MEMORY TO REGISTER

r m1

Load register r from memory location m1

w m1

No flags affected

76543210

LD R (HL)

Timing

M cycles2

T states7 (4 3)

Addressing Mode

SourceRegister Indirect

DestinationRegister

43210

LD r (IX a d) (for NXe0)

11NX 11101

LD r (IY a d) (for NXe1)

110

Timing

M cycles5

T states19 (4 4 3 5 3)

Addressing Mode

SourceIndexed

DestinationRegister

A m2

Load the Accumulator from memory location m2

w m2

No flags affected

76543210

LD A (BC)

00001010

00011010

LD A (DE)

Timing

M cycles2

T states7 (4 3)

Addressing Mode

SourceRegister Indirect

DestinationRegister (Implied)

76543210

00111010

LD A (nn)

n (low-order byte)

n (high-order byte)

Timing

M cycles4

T states13 (4 3 3 3)

Addressing Mode

SourceImmediate Extended

DestinationRegister (Implied)

NSC800N Datasheet(PDF) 33 Page - National Semiconductor (TI)

NSC800N Datasheet(HTML) 33 Page - National Semiconductor (TI)

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