GMS87C1404 Просмотр технического описания (PDF) - Hyundai Micro Electronics

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GMS87C1404

CMOS SINGLE-CHIP 8-BIT MICROCONTROLLER

Hyundai Micro Electronics 

GMS87C1404/GMS87C1408

HYUNDAI MicroElectronics

2. REGISTER / MEMORY OPERATION

NO.

MNEMONIC

1 LDA #imm

2 LDA dp

3 LDA dp + X

4 LDA !abs

5 LDA !abs + Y

6 LDA [ dp + X ]

7 LDA [ dp ] + Y

8 LDA { X }

9 LDA { X }+

10 LDM dp,#imm

11 LDX #imm

12 LDX dp

13 LDX dp + Y

14 LDX !abs

15 LDY #imm

16 LDY dp

17 LDY dp + X

18 LDY !abs

19 STA dp

20 STA dp + X

21 STA !abs

22 STA !abs + Y

23 STA [ dp + X ]

24 STA [ dp ] + Y

25 STA { X }

26 STA { X }+

27 STX dp

28 STX dp + Y

29 STX !abs

30 STY dp

31 STY dp + X

32 STY !abs

33 TAX

34 TAY

35 TSPX

36 TXA

37 TXSP

38 TYA

39 XAX

40 XAY

41 XMA dp

42 XMA dp+X

43 XMA {X}

44 XYX

OP BYTE CYCLE

CODE NO NO

OPERATION

C4

2

2 Load accumulator

FLAG

NVGBHIZC

C5

2

C6

2

3

A←(M)

4

C7

3

4

D5

3

5

N-----Z-

D6

2

6

D7

2

6

D4

1

3

DB

1

E4

3

1E

2

4

X- register auto-increment : A ← ( M ) , X ← X + 1

5

Load memory with immediate data : ( M ) ← imm

2

Load X-register

--------

CC

2

CD

2

3

X ←(M)

4

N-----Z-

DC

3

4

3E

2

2 Load Y-register

C9

2

D9

2

3

Y←(M)

4

N-----Z-

D8

3

4

E5

2

4 Store accumulator contents in memory

E6

2

E7

3

5

(M)←A

5

F5

3

6

--------

F6

2

7

F7

2

7

F4

1

4

FB

1

EC

2

ED

2

FC

3

4

X- register auto-increment : ( M ) ← A, X ← X + 1

4 Store X-register contents in memory

5

(M)← X

--------

5

E9

2

4

Store Y-register contents in memory

F9

2

F8

3

5

(M)← Y

5

--------

E8

1

9F

1

AE

1

C8

1

8E

1

BF

1

EE

1

DE

1

BC

2

AD

2

BB

1

2

Transfer accumulator contents to X-register : X ← A N-----Z-

2

Transfer accumulator contents to Y-register : Y ← A N-----Z-

2

Transfer stack-pointer contents to X-register : X ← sp N-----Z-

2

Transfer X-register contents to accumulator: A ← X

N-----Z-

2

Transfer X-register contents to stack-pointer: sp ← X N-----Z-

2

Transfer Y-register contents to accumulator: A ← Y N-----Z-

4

Exchange X-register contents with accumulator :X ↔ A --------

4

Exchange Y-register contents with accumulator :Y ↔ A --------

5 Exchange memory contents with accumulator

6

(M)↔A

N-----Z-

5

FE

1

4

Exchange X-register contents with Y-register : X ↔ Y --------

iv

Oct. 1999 Ver 1.0

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