DSM/ECU/TMP76xxx MH6xxx Instruction Set

<- DSM/ECU

Bytes	Mnem	Mode	Byte length	Cycles	Desc
00	TEST		1	*	TEST OPERATION TEST MODE ONLY
01	NOP		1	2	NO OPERATION
02	AIM	DIR	3	?	AND IN MEMORY
03	OIM	DIR	3	?	OR IN MEMORY
04	LSRD		1	3	LOGICAL SHIFT RIGHT DOUBLE ACCUMULATOR
05	ASLD / LSLD		1	3	ARITHMETIC / LOGICAL SHIFT LEFT DOUBLE ACC
06	TAP		1	2	TRANSFER FROM ACC A TO CONDITION CODE REGISTER
07	TPA		1	2	TRANSFER FROM CONDITION CODE REGISTER TO ACC A
08	INX		1	3	INCREMENT INDEX REGISTER X
09	DEX		1	3	DECREMENT INDEX REGISTER X
0A	CLV		1	2	CLEAR TWOS COMPLEMENT OVERFLOW BIT
0B	SEV		1	2	SET TWOS COMPLEMENT OVERFLOW BIT
0C	CLC		1	2	CLEAR CARRY
0D	SEC		1	2	SET CARRY
0E	CLI		1	2	CLEAR INTERRUPT MASK
0F	SEI		1	2	SET INTERRUPT MASK
10	SBA		1	2	SUBTRACT ACCUMULATORS
11	CBA		1	2	COMPARE ACCUMULATORS
12	AIM	IND,X	3	?	ANd in memory, indexed X
13	OIM	IND,X	3	?	Or in memory, indexed X
14	DIV	IMM	2	4	DIVIDE IMMEDIATE
15	DIV	DIR	2	4	DIVIDE DIRECT
16	TAB		1	2	TRANSFER ACCUMULATOR A TO ACCUMULATOR B
17	TBA		1	2	TRANSFER FROM ACCUMULATOR B TO ACCUMULATOR A
18	XGXY		1	4	EXCHANGE REGISTER X AND REGISTER Y
19	DAA		1	2	DECIMAL ADJUST ACCUMULATOR A
1A	XGDX		1		EXCHANGE DOUBLE ACCUMLATOR AND INDEX REG X
1B	ABA		1	2	ADD ACCUMULATOR B TO ACCUMULATOR A
1C	CPD	IMM	3	5	COMPARE DOUBLE ACCUMULATOR
1D	CPD	DIR	2	6	COMPARE DOUBLE ACCUMULATOR
1E	CPD	IND,X	2	?	COMPARE DOUBLE ACCUMULATOR
1F	CPD	EXT	3	7	COMPARE DOUBLE ACCUMULATOR
20	BRA		2	3	BRANCH ALWAYS
21	BRN		2	3	BRANCH NEVER
22	BHI		2	3	BRANCH IF HIGHER
23	BLS		2	3	BRANCH IF LOWER OR SAME
24	BCC / BHS		2	3	BRANCH IF CARRY CLR / BRANCH IF HIGHER OR SAME
25	BCS / BLO		2	3	BRANCH IF CARRY SET / BRANCH IF LOWER
26	BNE		2	3	BRANCH IF NOT EQUAL TO ZERO
27	BEQ		2	3	BRANCH IF EQUAL
28	BVC		2	3	BRANCH IF OVERFLOW CLEAR
29	BVS		2	3	BRANCH IF OVERFLOW SET
2A	BPL		2	3	BRANCH IF PLUS
2B	BMI		2	3	BRANCH IF MINUS
2C	BGE		2	3	BRANCH IF GREATER THAN OR EQUAL TO ZERO
2D	BLT		2	3	BRANCH IF LESS THAN ZERO
2E	BGT		2	3	BRANCH IF GREATER THAN ZERO
2F	BLE		2	3	BRANCH IF LESS THAN OR EQUAL TO ZERO
30	TSX		1	3	TRANSFER FROM STACK POINTER TO INDEX REGISTER X
31	INS		1	3	INCREMENT STACK POINTER
32	PULA		1	4	PULL DATA FROM STACK
33	PULB		1	4	PULL DATA FROM STACK
34	DES		1	3	DECREMENT STACK POINTER
35	TXS		1	3	TRANSFER FROM INDEX REGISTER X TO STACK POINTER
36	PSHA		1	3	PUSH DATA ONTO STACK
37	PSHB		1	3	PUSH DATA ONTO STACK
38	PULX		1	5	PULL INDEX REGISTER X FROM STACK
39	RTS		1	5	RETURN FROM SUBROUTINE
3A	ABX		1	3	ADD ACCUMULATOR B TO INDEX REGISTER X
3B	RTI		1	12	RETURN FROM INTERRUPT
3C	PSHX		1	4	PUSH INDEX REGISTER X ONTO STACK
3D	MUL		1	10	MULTIPLY UNSIGNED
3E	WAI		1	14	WAIT FOR INTERRUPT
3F	SWI		1	14	SOFTWARE INTERRUPT
40	NEGA		1	2	NEGATE
43	COMA		1	2	COMPLEMENT
44	LSRA		1	2	LOGICAL SHIFT RIGHT
46	RORA		1	2	ROTATE RIGHT
47	ASRA		1	2	ARITHMETIC SHIFT RIGHT
48	ASLA / LSLA		1	2	ARITHMETIC / LOGICAL SHIFT LEFT
49	ROLA		1	2	ROTATE LEFT
4A	DECA		1	2	DECREMENT
4C	INCA		1	2	INCREMENT
4D	TSTA		1	2	TEST
4F	CLRA		1	2	CLEAR
50	NEGB		1	2	NEGATE
53	COMB		1	2	COMPLEMENT
54	LSRB		1	2	LOGICAL SHIFT RIGHT
56	RORB		1	2	ROTATE RIGHT
57	ASRB		1	2	ARITHMETIC SHIFT RIGHT
58	ASLB / LSLB		1	2	ARITHMETIC / LOGICAL SHIFT LEFT
59	ROLB		1	2	ROTATE LEFT
5A	DECB		1	2	DECREMENT
5C	INCB		1	2	INCREMENT
5D	TSTB		1	2	TEST
5F	CLRB		1	2	CLEAR
60	NEG	IND,X	2	6	NEGATE
63	COM	IND,X	2	6	COMPLEMENT
64	LSR	IND,X	2	6	LOGICAL SHIFT RIGHT
66	ROR	IND,X	2	6	ROTATE RIGHT
67	ASR	IND,X	2	6	ARITHMETIC SHIFT RIGHT
68	ASL / LSL	IND,X	2	6	ARITHMETIC / LOGICAL SHIFT LEFT
69	ROL	IND,X	2	6	ROTATE LEFT
6A	DEC	IND,X	2	6	DECREMENT
6C	INC	IND,X	2	6	INCREMENT
6D	TST	IND,X	2	6	TEST
6E	JMP	IND,X	2	3	JUMP
6F	CLR	IND,X	2	6	CLEAR
70	NEG	EXT	3	6	NEGATE
73	COM	EXT	3	6	COMPLEMENT
74	LSR	EXT	3	6	LOGICAL SHIFT RIGHT
76	ROR	EXT	3	6	ROTATE RIGHT
77	ASR	EXT	3	6	ARITHMETIC SHIFT RIGHT
78	ASL / LSL	EXT	3	6	ARITHMETIC / LOGICAL SHIFT LEFT
79	ROL	EXT	3	6	ROTATE LEFT
7A	DEC	EXT	3	6	DECREMENT
7C	INC	EXT	3	6	INCREMENT
7D	TST	EXT	3	6	TEST
7E	JMP	EXT	3	3	JUMP
7F	CLR	EXT	3	6	CLEAR
80	SUBA	IMM	2	2	SUBTRACT
81	CMPA	IMM	2	2	COMPARE
82	SBCA	IMM	2	2	SUBTRACT WITH CARRY
83	SUBD	IMM	3	4	SUBTRACT DOUBLE ACCUMULATOR
84	ANDA	IMM	2	2	LOGICAL AND
85	BITA	IMM	2	2	BIT TEST
86	LDAA	IMM	2	2	LOAD ACCUMULATOR
87	BRSET	DIR	4		BRANCH IF BIT(S) ARE SET
88	EORA	IMM	2	2	EXCLUSIVE OR
89	ADCA	IMM	2	2	ADD WITH CARRY
8A	ORAA	IMM	2	2	INCLUSIVE OR
8B	ADDA	IMM	2	2	ADD WITHOUT CARRY
8C	CPX	IMM	3	4	COMPARE INDEX REGISTER X
8D	BSR		2	6	BRANCH TO SUBROUTINE
8E	LDS	IMM	3	3	LOAD STACK POINTER
8F	BRCLR	DIR	4		BRANCH IF BIT(S) ARE CLEAR
90	SUBA	DIR	2	3	SUBTRACT
91	CMPA	DIR	2	3	COMPARE
92	SBCA	DIR	2	3	SUBTRACT WITH CARRY
93	SUBD	DIR	2	5	SUBTRACT DOUBLE ACCUMULATOR
94	ANDA	DIR	2	3	LOGICAL AND
95	BITA	DIR	2	3	BIT TEST
96	LDAA	DIR	2	3	LOAD ACCUMULATOR
97	STAA	DIR	2	3	STORE ACCUMULATOR
98	EORA	DIR	2	3	EXCLUSIVE OR
99	ADCA	DIR	2	3	ADD WITH CARRY
9A	ORAA	DIR	2	3	INCLUSIVE OR
9B	ADDA	DIR	2	3	ADD WITHOUT CARRY
9C	CPX	DIR	2	5	COMPARE INDEX REGISTER X
9D	JSR	DIR	2	5	JUMP TO SUBROUTINE
9E	LDS	DIR	2	4	LOAD STACK POINTER
9F	STS	DIR	2	4	STORE STACK POINTER
A0	SUBA	IND,X	2	4	SUBTRACT
A0 80	SUBA	IND,Y	2		SUBTRACT
A1	CMPA	IND,X	2	4	COMPARE
A1 80	CMPA	IND,Y+	2		COMPARE WITH/Y+
A2	SBCA	IND,X	2	4	SUBTRACT WITH CARRY
A2 80	SBCA	IND,Y	2		SUBTRACT WITH CARRY
A3	SUBD	IND,X	2	6	SUBTRACT DOUBLE ACCUMULATOR
A3 80	SUBD	IND,Y	2	6	SUBTRACT DOUBLE ACCUMULATOR
A4	ANDA	IND,X	2	4	LOGICAL AND
A4 80	ANDA	IND,Y	2	4	LOGICAL AND
A5	BITA	IND,X	2	4	BIT TEST
A5 80	BITA	IND,Y	2	4	BIT TEST
A6	LDAA	IND,X	2	4	LOAD ACCUMULATOR
A6 80	LDAA	IND,Y+	2		LOAD ACCUMULATOR WITH/Y+
A7	STAA	IND,X	2	4	STORE ACCUMULATOR
A7 80	STAA	IND,Y	2		STORE ACCUMULATOR
A8	EORA	IND,X	2	4	EXCLUSIVE OR
A8 80	EORA	IND,Y	2	4	EXCLUSIVE OR
A9	ADCA	IND,X	2	4	ADD WITH CARRY
A9 80	ADCA	IND,Y	2	4	ADD WITH CARRY
AA	ORAA	IND,X	2	4	INCLUSIVE OR
AA 80	ORAA	IND,Y	2	4	INCLUSIVE OR
AB	ADDA	IND,X	2	4	ADD WITHOUT CARRY
AB 80	ADDA	IND,Y	2	4	ADD WITHOUT CARRY
AC	CPX	IND,X	2	6	COMPARE INDEX REGISTER X
AC 80	CPX	IND,Y	2	6	COMPARE INDEX REGISTER X
AD	JSR	IND,X	2	6	JUMP TO SUBROUTINE
AD 80	JSR	IND,Y	2		JUMP TO SUBROUTINE
AE	LDS	IND,X	2	5	LOAD STACK POINTER
AE 80	LDS	IND,Y	2	5	LOAD STACK POINTER
AF	STS	IND,X	2	5	STORE STACK POINTER
AF 80	STS	IND,Y	2	5	STORE STACK POINTER
B0	SUBA	EXT	3	4	SUBTRACT
B1	CMPA	EXT	3	4	COMPARE
B2	SBCA	EXT	3	4	SUBTRACT WITH CARRY
B3	SUBD	EXT	3	6	SUBTRACT DOUBLE ACCUMULATOR
B4	ANDA	EXT	3	4	LOGICAL AND
B5	BITA	EXT	3	4	BIT TEST
B6	LDAA	EXT	3	4	LOAD ACCUMULATOR
B7	STAA	EXT	3	4	STORE ACCUMULATOR
B8	EORA	EXT	3	4	EXCLUSIVE OR
B9	ADCA	EXT	3	4	ADD WITH CARRY
BA	ORAA	EXT	3	4	INCLUSIVE OR
BB	ADDA	EXT	3	4	ADD WITHOUT CARRY
BC	CPX	EXT	3	6	COMPARE INDEX REGISTER X
BD	JSR	EXT	3	6	JUMP TO SUBROUTINE
BE	LDS	EXT	3	5	LOAD STACK POINTER
BF	STS	EXT	3	5	STORE STACK POINTER
C0	SUBB	IMM	2	2	SUBTRACT
C1	CMPB	IMM	2	2	COMPARE
C2	SBCB	IMM	2	2	SUBTRACT WITH CARRY
C3	ADDD	IMM	3	4	ADD DOUBLE ACCUMULATOR
C4	ANDB	IMM	2	2	LOGICAL AND
C5	BITB	IMM	2	2	BIT TEST
C6	LDAB	IMM	2	2	LOAD ACCUMULATOR
C8	EORB	IMM	2	2	EXCLUSIVE OR
C9	ADCB	IMM	2	2	ADD WITH CARRY
CA	ORAB	IMM	2	2	INCLUSIVE OR
CB	ADDB	IMM	2	2	ADD WITHOUT CARRY
CC	LDD	IMM	3	3	LOAD DOUBLE ACCUMULATOR
CD 08	INY		2	4	INCREMENT INDEX REGISTER Y
CD 09	DEY		2	4	DECREMENT INDEX REGISTER Y
CD 1A	XGDY		2		EXCHANGE DOUBLE ACCUMULATOR AND INDEX REG Y
CD 3A	ABY		2		ADD ACCUMULATOR B TO INDEX REG Y
CD 8C	CMPY	IMM, Y++	4		CMPY INDEX REGISTER Y AND INCREMENT.
CD CE	LDY	IMM	4	4	LOAD INDEX REGISTER Y
CD DF	STY	DIR	3	5	STORE INDEX REGISTER Y
CD EE	LDY	IND,X	3	6	LOAD INDEX REGISTER Y
CE	LDX	IMM	3	3	LOAD INDEX REGISTER X
CF	BRCLR	IND,X	3	?	Branch if clear
D0	SUBB	DIR	2	3	SUBTRACT
D1	CMPB	DIR	2	3	COMPARE
D2	SBCB	DIR	2	3	SUBTRACT WITH CARRY
D3	ADDD	DIR	2	5	ADD DOUBLE ACCUMULATOR
D4	ANDB	DIR	2	3	LOGICAL AND
D5	BITB	DIR	2	3	BIT TEST
D6	LDAB	DIR	2	3	LOAD ACCUMULATOR
D7	STAB	DIR	2	3	STORE ACCUMULATOR
D8	EORB	DIR	2	3	EXCLUSIVE OR
D9	ADCB	DIR	2	3	ADD WITH CARRY
DA	ORAB	DIR	2	3	INCLUSIVE OR
DB	ADDB	DIR	2	3	ADD WITHOUT CARRY
DC	LDD	DIR	2	4	LOAD DOUBLE ACCUMULATOR
DD	STD	DIR	2	4	STORE DOUBLE ACCUMULATOR
DE	LDX	DIR	2	4	LOAD INDEX REGISTER X
DF	STX	DIR	2	4	STORE INDEX REGISTER X
E0	SUBB	IND,X	2	4	SUBTRACT
E0 80	SUBB	IND,Y	2	4	SUBTRACT
E1	CMPB	IND,X	2	4	COMPARE
E1 80	CMPB	IND,Y	2	4	COMPARE
E2	SBCB	IND,X	2	4	SUBTRACT WITH CARRY
E2 80	SBCB	IND,Y	2	4	SUBTRACT WITH CARRY
E3	ADDD	IND,X	2	6	ADD DOUBLE ACCUMULATOR
E3 80	ADDD	IND,Y	2	6	ADD DOUBLE ACCUMULATOR
E4	ANDB	IND,X	2	4	LOGICAL AND
E4 80	ANDB	IND,Y	2	4	LOGICAL AND
E5	BITB	IND,X	2	4	BIT TEST
E5 80	BITB	IND,Y	2	4	BIT TEST
E6	LDAB	IND,X	2	4	LOAD ACCUMULATOR
E6 80	LDAB	IND,Y	2	4	LOAD ACCUMULATOR
E7	STAB	IND,X	2	4	STORE ACCUMULATOR
E7 80	STAB	IND,Y	2	4	STORE ACCUMULATOR
E8	EORB	IND,X	2	4	EXCLUSIVE OR
E8 80	EORB	IND,Y	2	4	EXCLUSIVE OR
E9	ADCB	IND,X	2	4	ADD WITH CARRY
E9 80	ADCB	IND,Y	2	4	ADD WITH CARRY
EA	ORAB	IND,X	2	4	INCLUSIVE OR
EA 80	ORAB	IND,Y	2	4	INCLUSIVE OR
EB	ADDB	IND,X	2	4	ADD WITHOUT CARRY
EB 80	ADDB	IND,Y	2	4	ADD WITHOUT CARRY
EC	LDD	IND,X	2	5	LOAD DOUBLE ACCUMULATOR
EC 80	LDD	IND,Y	2	5	LOAD DOUBLE ACCUMULATOR
ED	STD	IND,X	2	5	STORE DOUBLE ACCUMULATOR
ED 80	STD	IND,Y	2	5	STORE DOUBLE ACCUMULATOR
EE	LDX	IND,X	2	5	LOAD INDEX REGISTER X
EE 80	LDX	IND,Y++	2	5	LOAD INDEX REGISTER X WITH/Y++
EF	STX	IND,X	2	5	STORE INDEX REGISTER X
EF 80	STX	IND,X	2	5	STORE INDEX REGISTER X
F0	SUBB	EXT	3	4	SUBTRACT
F1	CMPB	EXT	3	4	COMPARE
F2	SBCB	EXT	3	4	SUBTRACT WITH CARRY
F3	ADDD	EXT	3	6	ADD DOUBLE ACCUMULATOR
F4	ANDB	EXT	3	4	LOGICAL AND
F5	BITB	EXT	3	4	BIT TEST
F6	LDAB	EXT	3	4	LOAD ACCUMULATOR
F7	STAB	EXT	3	4	STORE ACCUMULATOR
F8	EORB	EXT	3	4	EXCLUSIVE OR
F9	ADCB	EXT	3	4	ADD WITH CARRY
FA	ORAB	EXT	3	4	INCLUSIVE OR
FB	ADDB	EXT	3	4	ADD WITHOUT CARRY
FC	LDD	EXT	3	5	LOAD DOUBLE ACCUMULATOR
FD	STD	EXT	3	5	STORE DOUBLE ACCUMULATOR
FE	LDX	EXT	3	5	LOAD INDEX REGISTER X
FF	STX	EXT	3	5	STORE INDEX REGISTER X