SWAT Magazine Issue Twenty One September 1999
                _____________________________________
               )       |                             (
               ( Title | The 8086/8 instruction set  )
               ) By    | Lithium Joe                 (
               ( Email | zetnet.admin@england.com    )
               ) Date  | July 1999                   (
               (_______|_____________________________)

I have wrote out a list of all the 8086/8 asm codes there are and what there
equal to. print it out and keep it handy coz it comes in useful when cracking
programs or just learning asm...
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Comman|              Discription of command             |  What its equal to
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AAD   | ASCII adjust/division.                          |
AAM   | ASCII adjust/multiplication.                    |
AAS   | ASCII adjust/ subtraction.                      |
ADC   | ADD with carry.                                 |
ADD   | Addition.                                       |
AND   | Bitwise AND.                                    |
CALL  | Perform Subroutine.                             |
CBW   | Convert byte to word.                           |
CLC   | Clear Carry Flag.                               |
CLD   | Clear Direction Flag.                           |
CLI   | Clear Interrupt Plag.                           |
CMC   | Complement Carry Flag.                          |
CMP   | Arithmetic Compare.                             |
CMPSB | Compare String, Byte.                           |
CMPS  | Compare String, Word.                           |
CWD   | Cnvrt word 2 doublewrd.                         |
DAA   | Dec Adjust/Additon.                             |
DAS   | Dec Adjust/Subtraction.                         |
DEC   | Decrement.                                      |
DIV   | Divide.                                         |
ESC   | Escape into CPU.                                |
HLT   | HALT.                                           |
IDIV  | Integer Divide.                                 |
IMUL  | Integer Multiply.                               |
IN    | Input from port.                                |
INC   | Increment.                                      |
INT   | Interrupt.                                      |
INTO  | Interrupt on Overflow   (flag = OF).            |
IRET  | Interupt Return.                                |
JA    | Jump if Above           (CF and ZF are reset)   |   == JNBE.
JAE   | Jump if Above or Equal  (CF is reset)           |   == JNB.
JB    | Jump if Below           (CF is Set)             |   == JC, JNE.
JBE   | Jump if Bleow or Equal  (CF or ZF are set)      |   == JNA.
JC    | Jump on Carry           (CF is set)             |   == JB, JNAE.
JCXZ  | Jump if CX is Zero.                             |
JE    | Jump if Equal           (ZF is set)             |   == JZ.
JG    | Jump if Greater       ((SF = OF) or ZF is reset)|   == JNLE.
JGE   | Jump if GT or Equal     (SF = OF)               |   == JNL.
JL    | Jump if LT              (SF != OF)              |   == JNGE.
JLE   | Jump if LT or Equal     (SF != OF) or (ZF set)  |   == JNG.
JMP   | Jump.                                           |
JNA   | Jump if Not Above       (CF or ZF is set)       |   == JBE.
JNAE  | Jump if Not Above or =  (CF set)                |   == JB, JC.
JNB   | Jump if Not Below       (CF is clear)           |   == JNC.
JNE   | Jump if Not Equal       (ZF clear)              |   == JNZ.
JNG   | Jump if Not Greater     (SF != OF) or ZF is set |   == JLE.
JNGE  | Jump if Not Greater or =(SF != OF)              |   == JL.
JNL   | Jump if Not Less        (SF = OF)               |   == JGE.
JNLE  | Jump if Not Less or =   (SF = OF) or ZF is clear|   == JG.
JNO   | Jump if No Overflow     (OV reset).             |
JNP   | Jump on No Parity       (PF reset)              |   == JPO.
JNS   | Jump on No Sign         (SF is clear).          |
JNZ   | Jump if Not Zero        (ZF set)                |   == JNE.
JO    | Jump on Overflow        (OF set).               |
JP    | Jump on Parity          (PF set)                |   == JPE.
JPE   | Jump on Parity Even     (PF set)                |   == JP.
JPO   | Jump on Parity Odd      (PF reset)              |   == JNP.
JS    | Jump on Sign            (SF set).               |
JZ    | Jump on Zero            (ZF set)                |   == JE.
LAHF  | Load AH with FLAGS.                             |
LDS   | Load DS.                                        |
LEA   | Load Effective Address.                         |
LES   | Load ES register.                               |
LOCK  | LOCK bus for next instruction.                  |
LODSB | Load Byte form String into AL.                  |
LODSW | Load Word form String into AX.                  |
LOOP  | CX based loop.                                  |
LOOPE | CX & ZF  based loop if equal.                   |
LOOPNE| CX & ZF  based loop if Not Equal.               |
LOOPNZ| CX & ZF  based loop if Zero.                    |
LOOPZ | CX & ZF  based loop while Zero.                 |
MOV   | Move Contents.                                  |
MOVS  | Move String using SI and DI.                    |
MUL   | Multiply.                                       |
NEG   | Negate (2s complement).                         |
NOP   | No Operand.                                     |
NOT   | Logical NOT.                                    |
OR    | Logical OR.                                     |
OUT   | AL or AX out to port.                           |
POP   | POP stack to operand.                           |
POPF  | POP stack to FLAGS.                             |
PUSH  | PUSH operand to stack.                          |
PUSHF | PUSH flags to stack.                            |
RCL   | Rotate operand left through CF.                 |
RCR   | Rotate operand right through CF.                |
REP   | REPEAT string instructions while CX.            |
RET   | RETURN from CALLED subroutine (POP from STACK). |
ROL   | Rotate Operand Left.                            |
ROR   | Rotate Operand Right.                           |
SAHF  | Store AH into FLAGS.                            |
SAL   | Arithmatic Shift Left.                          |
SAR   | Arithmatic Shift Right.                         |
SBB   | Subtract with Borrow.                           |
SCASB | Scan String for Byte (using CX).                |
SCASW | Scan String for Word (using CX).                |
SHL   | Shift Operand Left.                             |
SHR   | Shift Operand Right.                            |
STC   | Set CF.                                         |
STD   | Set DF (direction Flag).                        |
STI   | Set Interrupt Flag (enable maskable interrupts).|
STOSB | Copy AL to contents of DI.                      |
STOSW | Copy AX to contents of DI.                      |
SUB   | Subtract.                                       |
TEST  | AND operands, FLAGS only.                       |
WAIT  | Wait for external interrupt.                    |
XCHG  | Swap contents of two operands.                  |
XLAT  | Swap using 256-byte table pionted to by BX.     |
XOR   | Logical XOR.                                    |
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