Intel 8080/Коды команд: различия между версиями

Версия от 19:07, 8 февраля 2009

Этот документ создан для Emuverse и распространяется на условиях лицензии CC-BY-SA-3.0.

Таблица кодов

Код₂	Код₁₆	Данные	Команда	Действие	Такты
Группа 00
00 000 000	00		NOP		4
00 001 000	08		?
00 010 000	10		?
00 011 000	18		?
00 100 000	20		? (8085: RIM)	8085: READ INT MASK
00 101 000	28		?
00 110 000	30		? (8085: SIM)	8085: SET INT MASK
00 111 000	38		?
00 RP1 001			DAD RP	HL <- HL + RP	4
00 RP0 001		DATA16	LXI RP, DATA16	RP <- DATA16	10
00 0R0 010			STAX [R], A	[R] <- A	7
00 0R1 010			LDAX A, [R]	A <- [R]	7
00 100 010	22	ADDR16	SHLD ADDR16	[ADDR16] <- HL	16
00 101 010	2A	ADDR16	LHLD ADDR16	HL <- [ADDR16]	16
00 110 010	32	ADDR16	STA ADDR16	[ADDR16] <- A	13
00 111 010	3A	ADDR16	LDA ADDR16	A <- [ADDR16]	13
00 RP1 011			DCX RP	RP <- RP-1	5
00 RP0 011			INX RP	RP <- RP+1	5
00 SSS 100			INR SSS	SSS <- SSS+1	5/10
00 SSS 101			DCR SSS	SSS <- SSS-1	5/10
00 DDD 110		DATA8	MVI DDD, DATA8	DDD <- DATA8	7/11
00 000 111	07		RLC	CY+A LEFT	4
00 001 111	0F		RRC	CY+A RIGHT	4
00 010 111	17		RAL	CY+A CYCLE RIGHT	4
00 011 111	1F		RAR	CY+A CYCLE LEFT	4
00 100 111	27		DAA		5
00 101 111	2F		CMA	A <- NOT A	4
00 110 111	37		STC	CY = 1	4
00 111 111	3F		CMC	CY <- NOT CY	4
Группа 01
01 110 110	76		HLT		7(?)
01 DDD SSS			MOV DDD, SSS	DDD <- SSS	5/7
Группа 10
10 000 SSS			ADD SSS	A <- A+SSS	4/7
10 001 SSS			ADC SSS	A <- A+SSS+CY	4/7
10 010 SSS			SUB SSS	A <- A-SSS	4/7
10 011 SSS			SBB SSS	A <- A-SSS-CY	4/7
10 100 SSS			ANA SSS	A <- A AND SSS	4/7
10 101 SSS			XRA SSS	A <- A XOR SSS	4/7
10 110 SSS			ORA SSS	A <- A OR SSS	4/7
10 111 SSS			CMP SSS	COMPARE A, SSS	4/7
Группа 11
11 XXX 000			RETIF	RETURN IF XXX IS TRUE	5 (10)
11 RP0 001			POP RP		10
11 001 001	C9		RET		10
11 011 001	D9		?
11 101 001	E9		PCHL	JMP [HL]	5
11 111 001	F9		SPHL	SP <- HL	5
11 XXX 010		ADDR16	JMP IF ADDR16	JUMP IF XXX IS TRUE	10
11 000 011	C3	ADDR16	JMP ADDR16		10
11 010 011	D3	PORT8	OUT PORT8	[PORT8] <- A	10
11 011 011	DB	PORT8	IN PORT8	A <- [PORT8]	10
11 100 011	E3		XTHL	[SP] <-> HL	18
11 101 011	EB		XCHG	DE <-> HL	4
11 110 011	F3		DI	INT DISABLE	4
11 111 011	FB		EI	INT ENABLE	4
11 XXX 100		ADDR16	CALLIF ADDR16	CALL IF XXX IS TRUE	11(17)
11 RP0 101			PUSH RP		11
11 001 101	CD	ADDR16	CALL ADDR16		17
11 011 101	DD		?
11 101 101	ED		?
11 111 101	FD		?
11 000 110	C6	DATA8	ADI DATA8	A <- A+DATA8	7
11 001 110	CE	DATA8	ACI DATA8	A <- A+DATA8+CY	7
11 010 110	D6	DATA8	SUI DATA8	A <- A-DATA8	7
11 011 110	DE	DATA8	SBI DATA8	A <- A-DATA8-CY	7
11 100 110	E6	DATA8	ANI DATA8	A <- A AND DATA8	7
11 101 110	EE	DATA8	XRI DATA8	A <- A XOR DATA8	7
11 110 110	F6	DATA8	ORI DATA8	A <- A OR DATA8	7
11 111 110	FE	DATA8	CPI DATA8	COMPARE A, DATA8	7
11 NNN 111			RST NNN	INT NNN	11

Расшифровка сокращений

DDD, SSS

000=B
001=C
010=D
011=E
100=H
101=L
110=М (т.е. [HL])
111=A

R

0=BC
1=DE

RP

0=BC
1=DE
2=HL
3=SP или PSW (Status word) для PUSH/POP

XXX

000: NOT ZERO
001: ZERO
010: NOT CARRY
011: CARRY
100: NOT PARITY
101: PARITY
110: POSITIVE
111: NEGATIVE

@@ Строка 69: / Строка 69: @@
 |01 110 110 || 76 || &nbsp; || HLT || &nbsp; || &nbsp; || 7(?)
 |-
-|01 DDD SSS || &nbsp; || &nbsp; || MOV DDD, SSS || DDD <- SSS || &nbsp; || 1
+|01 DDD SSS || &nbsp; || &nbsp; || MOV DDD, SSS || DDD <- SSS || &nbsp; || 5/7
 |-
 !colspan=7|Группа 10
 |-
-|10 000 SSS || &nbsp; || &nbsp; || ADD SSS || A <- A+SSS || &nbsp; ||
+|10 000 SSS || &nbsp; || &nbsp; || ADD SSS || A <- A+SSS || &nbsp; || 4/7
 |-
-|10 001 SSS || &nbsp; || &nbsp; || ADC SSS || A <- A+SSS+CY || &nbsp; ||
+|10 001 SSS || &nbsp; || &nbsp; || ADC SSS || A <- A+SSS+CY || &nbsp; || 4/7
 |-
-|10 010 SSS || &nbsp; || &nbsp; || SUB SSS || A <- A-SSS || &nbsp; ||
+|10 010 SSS || &nbsp; || &nbsp; || SUB SSS || A <- A-SSS || &nbsp; || 4/7
 |-
-|10 011 SSS || &nbsp; || &nbsp; || SBB SSS || A <- A-SSS-CY || &nbsp; ||
+|10 011 SSS || &nbsp; || &nbsp; || SBB SSS || A <- A-SSS-CY || &nbsp; || 4/7
 |-
-|10 100 SSS || &nbsp; || &nbsp; || ANA SSS || A <- A AND SSS || &nbsp; ||
+|10 100 SSS || &nbsp; || &nbsp; || ANA SSS || A <- A AND SSS || &nbsp; || 4/7
 |-
-|10 101 SSS || &nbsp; || &nbsp; || XRA SSS || A <- A XOR SSS || &nbsp; ||
+|10 101 SSS || &nbsp; || &nbsp; || XRA SSS || A <- A XOR SSS || &nbsp; || 4/7
 |-
-|10 110 SSS || &nbsp; || &nbsp; || ORA SSS || A <- A OR SSS || &nbsp; ||
+|10 110 SSS || &nbsp; || &nbsp; || ORA SSS || A <- A OR SSS || &nbsp; || 4/7
 |-
-|10 111 SSS || &nbsp; || &nbsp; || CMP SSS || COMPARE A, SSS || &nbsp; ||
+|10 111 SSS || &nbsp; || &nbsp; || CMP SSS || COMPARE A, SSS || &nbsp; || 4/7
 |-
 !colspan=7|Группа 11
 |-
-|11 XXX 000 || &nbsp; || &nbsp; || RETIF || RETURN IF XXX IS TRUE || &nbsp; ||
+|11 XXX 000 || &nbsp; || &nbsp; || RETIF || RETURN IF XXX IS TRUE || &nbsp; || 5 (10)
 |-
-|11 RP0 001 || &nbsp; || &nbsp; || POP RP || &nbsp; || &nbsp; ||
+|11 RP0 001 || &nbsp; || &nbsp; || POP RP || &nbsp; || &nbsp; || 10
 |-
-|11 001 001 || C9 || &nbsp; || RET || &nbsp; || &nbsp; ||
+|11 001 001 || C9 || &nbsp; || RET || &nbsp; || &nbsp; || 10
 |-
 |11 011 001 || D9 || &nbsp; || ? || &nbsp; || &nbsp; ||
 |-
-|11 101 001 || E9 || &nbsp; || PCHL || JMP [HL] || &nbsp; ||
+|11 101 001 || E9 || &nbsp; || PCHL || JMP [HL] || &nbsp; || 5
 |-
-|11 111 001 || F9 || &nbsp; || SPHL || SP <- HL || &nbsp; ||
+|11 111 001 || F9 || &nbsp; || SPHL || SP <- HL || &nbsp; || 5
 |-
-|11 XXX 010 || &nbsp; || ADDR16 || JMP IF ADDR16 || JUMP IF XXX IS TRUE || &nbsp; ||
+|11 XXX 010 || &nbsp; || ADDR16 || JMP IF ADDR16 || JUMP IF XXX IS TRUE || &nbsp; || 10
 |-
-|11 000 011 || C3 || ADDR16 || JMP ADDR16 || &nbsp; || &nbsp; ||
+|11 000 011 || C3 || ADDR16 || JMP ADDR16 || &nbsp; || &nbsp; || 10
 |-
-|11 010 011 || D3 || PORT8 || OUT PORT8 || [PORT8] <- A || &nbsp; ||
+|11 010 011 || D3 || PORT8 || OUT PORT8 || [PORT8] <- A || &nbsp; || 10
 |-
-|11 011 011 || DB || PORT8 || IN PORT8 || A <- [PORT8] || &nbsp; ||
+|11 011 011 || DB || PORT8 || IN PORT8 || A <- [PORT8] || &nbsp; || 10
 |-
-|11 100 011 || E3 || &nbsp; || XTHL || [SP] <-> HL || &nbsp; ||
+|11 100 011 || E3 || &nbsp; || XTHL || [SP] <-> HL || &nbsp; || 18
 |-
-|11 101 011 || EB || &nbsp; || XCHG || DE <-> HL || &nbsp; ||
+|11 101 011 || EB || &nbsp; || XCHG || DE <-> HL || &nbsp; || 4
 |-
-|11 110 011 || F3 || &nbsp; || DI || INT DISABLE || &nbsp; ||
+|11 110 011 || F3 || &nbsp; || DI || INT DISABLE || &nbsp; || 4
 |-
-|11 111 011 || FB || &nbsp; || EI || INT ENABLE || &nbsp; ||
+|11 111 011 || FB || &nbsp; || EI || INT ENABLE || &nbsp; || 4
 |-
-|11 XXX 100 || &nbsp; || ADDR16 || CALLIF ADDR16 || CALL IF XXX IS TRUE || &nbsp; ||
+|11 XXX 100 || &nbsp; || ADDR16 || CALLIF ADDR16 || CALL IF XXX IS TRUE || &nbsp; || 11(17)
 |-
-|11 RP0 101 || &nbsp; || &nbsp; || PUSH RP || &nbsp; || &nbsp; ||
+|11 RP0 101 || &nbsp; || &nbsp; || PUSH RP || &nbsp; || &nbsp; || 11
 |-
-|11 001 101 || CD || ADDR16 || CALL ADDR16 || &nbsp; || &nbsp; ||
+|11 001 101 || CD || ADDR16 || CALL ADDR16 || &nbsp; || &nbsp; || 17
 |-
 |11 011 101 || DD || &nbsp; || ? || &nbsp; || &nbsp; ||
@@ Строка 131: / Строка 131: @@
 |11 111 101 || FD || &nbsp; || ? || &nbsp; || &nbsp; ||
 |-
-|11 000 110 || C6 || DATA8 || ADI DATA8 || A <- A+DATA8 || &nbsp; ||
+|11 000 110 || C6 || DATA8 || ADI DATA8 || A <- A+DATA8 || &nbsp; || 7
 |-
-|11 001 110 || CE || DATA8 || ACI DATA8 || A <- A+DATA8+CY || &nbsp; ||
+|11 001 110 || CE || DATA8 || ACI DATA8 || A <- A+DATA8+CY || &nbsp; || 7
 |-
-|11 010 110 || D6 || DATA8 || SUI DATA8 || A <- A-DATA8 || &nbsp; ||
+|11 010 110 || D6 || DATA8 || SUI DATA8 || A <- A-DATA8 || &nbsp; || 7
 |-
-|11 011 110 || DE || DATA8 || SBI DATA8 || A <- A-DATA8-CY || &nbsp; ||
+|11 011 110 || DE || DATA8 || SBI DATA8 || A <- A-DATA8-CY || &nbsp; || 7
 |-
-|11 100 110 || E6 || DATA8 || ANI DATA8 || A <- A AND DATA8 || &nbsp; ||
+|11 100 110 || E6 || DATA8 || ANI DATA8 || A <- A AND DATA8 || &nbsp; || 7
 |-
-|11 101 110 || EE || DATA8 || XRI DATA8 || A <- A XOR DATA8 || &nbsp; ||
+|11 101 110 || EE || DATA8 || XRI DATA8 || A <- A XOR DATA8 || &nbsp; || 7
 |-
-|11 110 110 || F6 || DATA8 || ORI DATA8 || A <- A OR DATA8 || &nbsp; ||
+|11 110 110 || F6 || DATA8 || ORI DATA8 || A <- A OR DATA8 || &nbsp; || 7
 |-
-|11 111 110 || FE || DATA8 || CPI DATA8 || COMPARE A, DATA8 || &nbsp; ||
+|11 111 110 || FE || DATA8 || CPI DATA8 || COMPARE A, DATA8 || &nbsp; || 7
 |-
-|11 NNN 111 || &nbsp; || &nbsp; || RST NNN || INT NNN || &nbsp; ||
+|11 NNN 111 || &nbsp; || &nbsp; || RST NNN || INT NNN || &nbsp; || 11
 |}