| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100 |
- ===============================================================================
- == Instruction Set Summary for the core revision >= 5 microcode ==
- ===============================================================================
- ===============================================================================
- Mnemonics | Operands | Description | Operation
- ===============================================================================
- Arithmetic and logic instructions:
- add | A,B,rD | Add | rD=A+B
- add. | A,B,rD | Add, set Carry | rD=A+B SaveCarry
- addc | A,B,rD | Add with Carry | rD=A+B+Carry
- addc. | A,B,rD | Add with Carry, set Carry | rD=A+B+C SaveCarry
- sub | A,B,rD | Subtract | rD=A-B
- sub. | A,B,rD | Sub, set Carry | rD=A-B SaveCarry
- subc | A,B,rD | Sub with Carry | rD=A-B-Carry
- subc. | A,B,rD | Sub with Carry, set Carry | rD=A-B-C SaveCarry
- mul | A,B,rD | multiply (rev 11+ only) | spr06d=lsb; rD=msb
- Branch instructions:
- jmp | l | Uncond. jump (virtual instr.) | PC=l
- jand | A,B,l | Jump if binary AND | if(A&B) PC=l
- jnand | A,B,l | Jump if not binary AND | if(!(A&B)) PC=l
- js | A,B,l | Jump if all bits set | if((A&B)==A) PC=l
- jns | A,B,l | Jump if not all bits set | if((A&B)!=A) PC=l
- je | A,B,l | Jump if equal | if(A==B) PC=l
- jne | A,B,l | Jump if not equal | if(A!=B) PC=l
- jls | A,B,l | Jump if less (signed) | if(A<B) PC=l
- jges | A,B,l | Jump if greater or equal (sign.)| if(A>=B) PC=l
- jgs | A,B,l | Jump if greater (signed) | if(A>B) PC=l
- jles | A,B,l | Jump if less or equal (signed) | if(A<=B) PC=l
- jl | A,B,l | Jump if less | if(A<B) PC=l
- jge | A,B,l | Jump if greater or equal | if(A>=B) PC=l
- jg | A,B,l | Jump if greater | if(A>B) PC=l
- jle | A,B,l | Jump if less or equal | if(A<=B) PC=l
- jdn | A,B,l | Jump if diff is < 0, no carry | if(nc(A-B)<0) PC=l
- jdpz | A,B,l | Jump if diff is >= 0, no carry | if(nc(A-B)>=0) PC=l
- jdp | A,B,l | Jump if diff is > 0, no carry | if(nc(A-B)>0) PC=l
- jdnz | A,B,l | Jump if diff is <= 0, no carry | if(nc(A-B)<=0) PC=l
- call | lrX,l | Store PC, call function | lrX=PC; PC=l
- calls | l | Store PC, call function | PC->stack; PC=l
- ret | lrX,lrY | Store PC, ret from func | lrX=PC; PC=lrY
- rets | | ret from function | stack->PC
- jzx | M,S,A,B,l | Jump if zero after shift + mask |
- jnzx | M,S,A,B,l | Jump if nonzero after shift+msk |
- jext | E,A,B,l | Jump if External Condition true | if(E) PC=l
- jnext | E,A,B,l | Jump if External Condition false| if(!E) PC=l
- Data transfer instructions:
- mov | A,rD | Copy data (virtual instruction) | rD=A
- tkiph | A,rD | TKIP S-Box lookup high | rD=SBOX[hi8(A)]
- tkiphs | A,rD | TKIP S-Box lkup hi swap'd | rD=byteswap(tkiph)
- tkipl | A,rD | TKIP S-Box lookup low | rD=SBOX[lo8(A)]
- tkipls | A,rD | TKIP S-Box lkup lo swap'd | rD=byteswap(tkipl)
- Bitwise instructions:
- sra | A,B,rD | Arithmetic rightshift | rD=A>>B fillup sign
- or | A,B,rD | Bitwise OR | rD=A|B
- and | A,B,rD | Bitwise AND | rD=A&B
- xor | A,B,rD | Bitwise XOR | rD=A^B
- sr | A,B,rD | Rightshift | rD=A>>B
- sl | A,B,rD | Leftshift | rD=A<<B
- srx | M,S,A,B,rD | Shift right over two registers | See detailed docs
- rl | A,B,rD | Rotate left | rD=lrot(A, B bits)
- rr | A,B,rD | Rotate right | rD=rrot(A, B bits)
- nand | A,B,rD | Clear bits (notmask+and) | rD=A&(~B)
- orx | M,S,A,B,rD | OR with shift and select | See detailed docs
- Other instructions:
- nap | none | Sleep until event | See detailed docs
- Description of Operands:
- rD = Destination Register (GPR or SPR)
- A = Source Register (GPR or SPR) or Immediate
- B = Source Register (GPR or SPR) or Immediate
- M = Mask
- S = Shift
- E = External Condition
- l = Branch label or address
- lrX = Link Register (lr0 - lr3)
- lrY = Link Register (lr0 - lr3)
- Raw instruction format:
- @bitcode_in_hexadecimal
- Example: @1C0 @C11,@C22,r3
- Virtual instructions are translated by the assembler to other
- lowlevel instructions.
- Please also see the detailed microcode documentation at:
- http://bcm-v4.sipsolutions.net/802.11/Microcode
|
