241 lines
15 KiB
Plaintext
241 lines
15 KiB
Plaintext
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| Intel |
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| 88888 000 88888 88888 |
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| 8 8 0 0 8 8 8 8 |
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| 8 8 0 0 0 8 8 8 8 |
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| 88888 0 0 0 88888 88888 |
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| 8 8 0 0 0 8 8 8 8 |
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| 8 8 0 0 8 8 8 8 |
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| 88888 000 88888 88888 |
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| 8088 MICROPROCESSOR Instruction Set Summary |
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| _________ _________ |
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| _| \__/ |_ |
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| GND |_|1 40|_| Vcc |
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| _| |_ |
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| <-- A14 |_|2 39|_| A15 --> |
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| _| |_ |
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| <-- A13 |_|3 38|_| A16/S3 --> |
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| _| |_ |
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| <-- A12 |_|4 37|_| A17/S4 --> |
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| _| |_ |
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| <-- A11 |_|5 36|_| A18/S5 --> |
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| _| |_ |
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| <-- A10 |_|6 35|_| A19/S6 --> |
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| _| |_ ___ |
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| <-- A9 |_|7 34|_| SSO --> |
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| _| |_ __ |
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| <--> A8 |_|8 33|_| MN/MX <-- |
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| _| |_ |
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| <--> AD7 |_|9 32|_| RD --> |
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| _| |_ __ ___ |
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| <--> AD6 |_|10 8088 31|_| RQ/GT0,HOLD <-->|
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| _| |_ __ ___ |
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| <--> AD5 |_|11 30|_| RQ/GT1,HOLD <-->|
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| _| |_ ____ __ |
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| <--> AD4 |_|12 29|_| LOCK,WR --> |
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| _| |_ _ |
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| <--> AD3 |_|13 28|_| S2,IO/M --> |
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| _| |_ _ |
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| <--> AD2 |_|14 27|_| S1,DT/R --> |
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| _| |_ ___ |
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| <--> AD1 |_|15 26|_| S0,DEN --> |
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| _| |_ |
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| <--> AD0 |_|16 25|_| QS0,ALE --> |
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| _| |_ ____ |
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| --> NMI |_|17 24|_| QS1,INTA --> |
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| _| |_ ____ |
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| --> INTR |_|18 23|_| TEST <-- |
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| _| |_ |
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| --> CLK |_|19 22|_| READY <-- |
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| _| |_ |
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| GND |_|20 21|_| RESET <-- |
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| |______________________| |
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|Written by Jonathan Bowen |
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| Programming Research Group |
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| Oxford University Computing Laboratory |
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| 8-11 Keble Road |
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| Oxford OX1 3QD |
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| England |
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| Tel +44-865-273840 |
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|Created October 1982 |
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|Updated April 1985 |
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|Issue 1.3 Copyright (C) J.P.Bowen 1985|
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----------------------------------------------------------------
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----------------------------------------------------------------
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|Mnemonic |ODITSZAPC|Description |
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|------------------+---------+---------------------------------|
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|AAA |?---??*?*|ASCII Adjust for Add in AX |
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|AAD |?---**?*?|ASCII Adjust for Divide in AX |
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|AAM |?---**?*?|ASCII Adjust for Multiply in AX |
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|AAS |?---??*?*|ASCII Adjust for Subtract in AX |
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|ADC d,s |*---*****|Add with Carry |
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|ADD d,s |*---*****|Add |
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|AND d,s |*---**?**|Logical AND |
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|CALL a |---------|Call |
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|CBW |---------|Convert Byte to Word in AX |
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|CLC |--------0|Clear Carry |
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|CLD |-0-------|Clear Direction |
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|CLI |--0------|Clear Interrupt |
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|CMC |--------*|Complement Carry |
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|CMP d,s |*---*****|Compare |
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|CMPS |*---*****|Compare memory at SI and DI |
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|CWD |---------|Convert Word to Double in AX,DX |
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|DAA |?---*****|Decimal Adjust for Add in AX |
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|DAS |?---*****|Decimal Adjust for Subtract in AX|
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|DEC d |*---****-|Decrement |
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|DIV s |?---?????|Divide (unsigned) in AX(,DX) |
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|ESC s |---------|Escape (to external device) |
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|HLT |---------|Halt |
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|IDIV s |?---?????|Divide (signed) in AX(,DX) |
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|IMUL s |*---????*|Multiply (signed) in AX(,DX) |
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|IN d,p |---------|Input |
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|INC d |*---****-|Increment |
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|INT |--00-----|Interrupt |
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|INTO |--**-----|Interrupt on Overflow |
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|IRET |*********|Interrupt Return |
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|JB/JNAE a |---------|Jump on Below/Not Above or Equal |
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|JBE/JNA a |---------|Jump on Below or Equal/Not Above |
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|JCXZ a |---------|Jump on CX Zero |
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|JE/JZ a |---------|Jump on Equal/Zero |
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|JL/JNGE a |---------|Jump on Less/Not Greater or Equal|
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|JLE/JNG a |---------|Jump on Less or Equal/Not Greater|
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|JMP a |---------|Unconditional Jump |
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|JNB/JAE a |---------|Jump on Not Below/Above or Equal |
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|JNBE/JA a |---------|Jump on Not Below or Equal/Above |
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|JNE/JNZ a |---------|Jump on Not Equal/Not Zero |
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|JNL/JGE a |---------|Jump on Not Less/Greater or Equal|
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|JNLE/JG a |---------|Jump on Not Less or Equal/Greater|
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|JNO a |---------|Jump on Not Overflow |
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|JNP/JPO a |---------|Jump on Not Parity/Parity Odd |
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|JNS a |---------|Jump on Not Sign |
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|JO a |---------|Jump on Overflow |
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|JP/JPE a |---------|Jump on Parity/Parity Even |
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|JS a |---------|Jump on Sign |
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|LAHF |---------|Load AH with 8080 Flags |
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|LDS r,s |---------|Load pointer to DS |
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|LEA r,s |---------|Load EA to register |
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|LES r,s |---------|Load pointer to ES |
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|LOCK |---------|Bus Lock prefix |
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|LODS |---------|Load memory at SI into AX |
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|LOOP a |---------|Loop CX times |
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|LOOPNZ/LOOPNE a |---------|Loop while Not Zero/Not Equal |
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|LOOPZ/LOOPE a |---------|Loop while Zero/Equal |
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|MOV d,s |---------|Move |
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|MOVS |---------|Move memory at SI to DI |
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|MUL s |*---????*|Multiply (unsigned) in AX(,DX) |
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|NEG d |*---*****|Negate |
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|NOP |---------|No Operation (= XCHG AX,AX) |
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|NOT d |---------|Logical NOT |
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|OR d,s |*---**?**|Logical inclusive OR |
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|OUT p,s |---------|Output |
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|POP d |---------|Pop |
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|POPF |*********|Pop Flags |
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|PUSH s |---------|Push |
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|PUSHF |---------|Push Flags |
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|RCL d,c |*-------*|Rotate through Carry Left |
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|RCR d,c |*-------*|Rotate through Carry Right |
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|REP/REPNE/REPNZ |---------|Repeat/Repeat Not Equal/Not Zero |
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|REPE/REPZ |---------|Repeat Equal/Zero |
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|RET (s) |---------|Return from call |
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|ROL d,c |-------- |Rotate Left |
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|ROR d,c |*-------*|Rotate Right |
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|SAHF |----*****|Store AH into 8080 Flags |
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----------------------------------------------------------------
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----------------------------------------------------------------
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|Mnemonic |ODITSZAPC|Description |
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|------------------+---------+---------------------------------|
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|SAR d,c |*---**?**|Shift Arithmetic Right |
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|SBB d,s |*---*****|Subtract with Borrow |
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|SCAS |*---*****|Scan memory at DI compared to AX |
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|SEG r |---------|Segment register |
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|SHL/SAL d,c |*---**?**|Shift logical/Arithmetic Left |
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|SHR d,c |*---**?**|Shift logical Right |
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|STC |--------1|Set Carry |
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|STD |-0-------|Set Direction |
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|STI |--0------|Set Interrupt |
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|STOS |---------|Store AX into memory at DI |
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|SUB d,s |*---*****|Subtract |
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|TEST d,s |*---**?**|AND function to flags |
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|WAIT |---------|Wait |
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|XCHG r(,d) |---------|Exchange |
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|XLAT |---------|Translate byte to AL |
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|XOR d,s |*---**?**|Logical Exclusive OR |
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|------------------+---------+---------------------------------|
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| |-*01? |Unaff/affected/reset/set/unknown |
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| OF |O |Overflow Flag (Bit 11) |
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| DF | D |Direction Flag (Bit 10) |
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| IF | I |Interrupt enable Flag (Bit 9) |
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| TF | T |Trap Flag (Bit 8) |
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| SF | S |Sign Flag (Bit 7) |
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| ZF | Z |Zero Flag (Bit 6) |
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| AF | A |Auxilary carry Flag (Bit 4) |
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| PF | P |Parity Flag (Bit 2) |
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| CF | C|Carry Flag (Bit 0) |
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|------------------+-------------------------------------------|
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|ALIGN |Align to word boundary |
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|ASSUME sr:sy(,...)|Assume segment register name(s) |
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|ASSUME NOTHING |Remove all former assumptions |
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|DB e(,...) |Define Byte(s) |
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|DBS e |Define Byte Storage |
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|DD e(,...) |Define Double Word(s) |
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|DDS e |Define Double Word Storage |
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|DW e(,...) |Define Word(s) |
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|DWS e |Define Word Storage |
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|EXT (sr:)sy(t) |External(s)(t=ABS/BYTE/DWORD/FAR/NEAR/WORD)|
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|LABEL t |Label (t=BYTE/DWORD/FAR/NEAR/WORD)|
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|PROC t |Procedure (t=FAR/NEAR, default NEAR)|
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|------------------+-------------------------------------------|
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| ABS |Absolute value of operand |
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| BYTE |Byte type operation |
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| DWORD |Double Word operation |
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| FAR |IP and CS registers altered |
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| HIGH |High-order 8 bits of 16-bit value |
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| LENGTH |Number of basic units |
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| LOW |Low-order 8 bit of 16-bit value |
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| NEAR |Only IP register need be altered |
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| OFFSET |Offset portion of an address |
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| PTR |Create a variable or label |
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| SEG |Segment of address |
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| SHORT |One byte for a JMP operation |
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| SIZE |Number of bytes defined by statement |
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| THIS |Create a variable/label of specified type |
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| TYPE |Number of bytes in the unit defined |
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| WORD |Word operation |
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|------------------+-------------------------------------------|
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| AX BX CX DX |Accumulator/Base/Count/Data registers |
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| AL BL CL DL |Low byte of general registers |
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| AH BH CH DH |High byte of general registers |
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| SP BP |Stack/Base Pointer registers |
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| SI DI |Source/Destination Index registers |
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| CS DS SS ES |Code/Data/Stack/Extra Segment registers |
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| IP |Instruction Pointer register |
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|------------------+-------------------------------------------|
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| a |Address |
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| c |Count |
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| d |Destination |
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| e |Expression or string |
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| p |I/O port |
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| r |Register |
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| s |Source |
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| sr |Segment register (CS,DS,SS,ES) |
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| sy |Symbol |
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| t |Type of symbol |
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