GMS82524 Datasheet, PDF (89/93 Pages) Hynix Semiconductor – 8-BIT SINGLE-CHIP MICROCONTROLLERS

HYUNDAI MicroElectronics
GMS82512/16/24
Register / Memory Operation
NO.
MNENONIC
OP BYTE CYCLE
CODE NO. NO
OPERATION
FLAG
NVGBHIZC
1 LDA #imm
C4
2
2
Load accumulator
2 LDA dp
C5
2
3
A
(M)
3 LDA dp + X
C6
2
4
4 LDA !abs
C7
3
4
5 LDA !abs + Y D5
3
5
N-----Z-
6 LDA [dp + X] D6
2
6
7 LDA [dp]+Y
D7
2
6
8 LDA {X}
D4
1
3
9 LDA {X}+
DB
1
4
X-register auto-increment : A
(M), X
X + 1
10 LDM dp,#imm E4
3
5
Load memory with immediate data : (M)
imm
--------
11 LDX #imm
1E
2
2
Load X-register
12 LDX dp
CC
2
13 LDX dp + Y
CD
2
3
X
(M)
4
N-----Z-
14 LDX !abs
DC
3
4
15 LDY #imm
3E
2
2
Load X-register
16 LDY dp
C9
2
17 LDY dp + Y
D9
2
3
Y
(M)
4
N-----Z-
18 LDY !abs
D8
3
4
19 STA dp
E5
2
3
Store accumulator contents in memory
20 STA dp + X
E6
2
4
(M)
A
21 STA !abs
E7
3
4
22 STA !abs + Y F5
3
5
23 STA [dp + X] F6
2
6
--------
24 STA [dp] + Y F7
2
6
25 STA {X}
F4
1
3
26 STA {X}+
FB
1
4
X-register auto-increment : (M)
A, X
X + 1
27 STX dp
EC
2
4
Store X-register contents in memory
28 STX dp + Y
ED
2
5
(M)
X
--------
29 STX !abs
FC
3
5
30 STY dp
E9
2
4
Store Y-register contents in memory
31 STY dp + X
F9
2
5
(M)
Y
--------
32 STY !abs
F8
3
5
33 TAX
E8
1
2
Transfer accumulator contents to X-register : X
A N - - - - - Z -
34 TAY
9F
1
2
Transfer accumulator contents to Y-register : Y
A N - - - - - Z -
35 TSPX
AE
1
2
Transfer stack-pointer contents to X-register : X
SP N - - - - - Z -
36 TXA
C8
1
2
Transfer X-register contents to accumulator : A
X N - - - - - Z -
37 TXSP
8E
1
2
Transfer X-register contents to stack-pointer : SP
X N - - - - - Z -
38 TYA
BF
1
2
Transfer Y-register contents to accumulator : A
Y N - - - - - Z -
39 XAX
EE
1
4
Exchange X-register contents with accumulator : X  _{- - - - - - - -}
A
40 XAY
DE
1
4
Exchange Y-register contents with accumulator : YA - - - - - - - -
41 XMA dp
BC
2
5
Exchange memory contents with accumulator
42 XMA dp + X
AD
2
6
(M)  A
N-----Z-
43 XMA {X}
BB
1
5
44 XYX
FE
1
4
Exchange X-register contents with Y-register : X  Y - - - - - - - -
FEB. 2000 Ver 1.00
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