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| <title>Using as: AVR Opcodes</title> |
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| <a name="AVR-Opcodes"></a> |
| <div class="header"> |
| <p> |
| Previous: <a href="AVR-Syntax.html#AVR-Syntax" accesskey="p" rel="prev">AVR Syntax</a>, Up: <a href="AVR_002dDependent.html#AVR_002dDependent" accesskey="u" rel="up">AVR-Dependent</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="AS-Index.html#AS-Index" title="Index" rel="index">Index</a>]</p> |
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| <a name="Opcodes-4"></a> |
| <h4 class="subsection">9.5.3 Opcodes</h4> |
| |
| <a name="index-AVR-opcode-summary"></a> |
| <a name="index-opcode-summary_002c-AVR"></a> |
| <a name="index-mnemonics_002c-AVR"></a> |
| <a name="index-instruction-summary_002c-AVR"></a> |
| <p>For detailed information on the AVR machine instruction set, see |
| <a href="www.atmel.com/products/AVR">www.atmel.com/products/AVR</a>. |
| </p> |
| <p><code>as</code> implements all the standard AVR opcodes. |
| The following table summarizes the AVR opcodes, and their arguments. |
| </p> |
| <div class="smallexample"> |
| <pre class="smallexample"><i>Legend:</i> |
| r <span class="roman">any register</span> |
| d <span class="roman">‘ldi’ register (r16-r31)</span> |
| v <span class="roman">‘movw’ even register (r0, r2, ..., r28, r30)</span> |
| a <span class="roman">‘fmul’ register (r16-r23)</span> |
| w <span class="roman">‘adiw’ register (r24,r26,r28,r30)</span> |
| e <span class="roman">pointer registers (X,Y,Z)</span> |
| b <span class="roman">base pointer register and displacement ([YZ]+disp)</span> |
| z <span class="roman">Z pointer register (for [e]lpm Rd,Z[+])</span> |
| M <span class="roman">immediate value from 0 to 255</span> |
| n <span class="roman">immediate value from 0 to 255 ( n = ~M ). Relocation impossible</span> |
| s <span class="roman">immediate value from 0 to 7</span> |
| P <span class="roman">Port address value from 0 to 63. (in, out)</span> |
| p <span class="roman">Port address value from 0 to 31. (cbi, sbi, sbic, sbis)</span> |
| K <span class="roman">immediate value from 0 to 63 (used in ‘adiw’, ‘sbiw’)</span> |
| i <span class="roman">immediate value</span> |
| l <span class="roman">signed pc relative offset from -64 to 63</span> |
| L <span class="roman">signed pc relative offset from -2048 to 2047</span> |
| h <span class="roman">absolute code address (call, jmp)</span> |
| S <span class="roman">immediate value from 0 to 7 (S = s << 4)</span> |
| ? <span class="roman">use this opcode entry if no parameters, else use next opcode entry</span> |
| |
| 1001010010001000 clc |
| 1001010011011000 clh |
| 1001010011111000 cli |
| 1001010010101000 cln |
| 1001010011001000 cls |
| 1001010011101000 clt |
| 1001010010111000 clv |
| 1001010010011000 clz |
| 1001010000001000 sec |
| 1001010001011000 seh |
| 1001010001111000 sei |
| 1001010000101000 sen |
| 1001010001001000 ses |
| 1001010001101000 set |
| 1001010000111000 sev |
| 1001010000011000 sez |
| 100101001SSS1000 bclr S |
| 100101000SSS1000 bset S |
| 1001010100001001 icall |
| 1001010000001001 ijmp |
| 1001010111001000 lpm ? |
| 1001000ddddd010+ lpm r,z |
| 1001010111011000 elpm ? |
| 1001000ddddd011+ elpm r,z |
| 0000000000000000 nop |
| 1001010100001000 ret |
| 1001010100011000 reti |
| 1001010110001000 sleep |
| 1001010110011000 break |
| 1001010110101000 wdr |
| 1001010111101000 spm |
| 000111rdddddrrrr adc r,r |
| 000011rdddddrrrr add r,r |
| 001000rdddddrrrr and r,r |
| 000101rdddddrrrr cp r,r |
| 000001rdddddrrrr cpc r,r |
| 000100rdddddrrrr cpse r,r |
| 001001rdddddrrrr eor r,r |
| 001011rdddddrrrr mov r,r |
| 100111rdddddrrrr mul r,r |
| 001010rdddddrrrr or r,r |
| 000010rdddddrrrr sbc r,r |
| 000110rdddddrrrr sub r,r |
| 001001rdddddrrrr clr r |
| 000011rdddddrrrr lsl r |
| 000111rdddddrrrr rol r |
| 001000rdddddrrrr tst r |
| 0111KKKKddddKKKK andi d,M |
| 0111KKKKddddKKKK cbr d,n |
| 1110KKKKddddKKKK ldi d,M |
| 11101111dddd1111 ser d |
| 0110KKKKddddKKKK ori d,M |
| 0110KKKKddddKKKK sbr d,M |
| 0011KKKKddddKKKK cpi d,M |
| 0100KKKKddddKKKK sbci d,M |
| 0101KKKKddddKKKK subi d,M |
| 1111110rrrrr0sss sbrc r,s |
| 1111111rrrrr0sss sbrs r,s |
| 1111100ddddd0sss bld r,s |
| 1111101ddddd0sss bst r,s |
| 10110PPdddddPPPP in r,P |
| 10111PPrrrrrPPPP out P,r |
| 10010110KKddKKKK adiw w,K |
| 10010111KKddKKKK sbiw w,K |
| 10011000pppppsss cbi p,s |
| 10011010pppppsss sbi p,s |
| 10011001pppppsss sbic p,s |
| 10011011pppppsss sbis p,s |
| 111101lllllll000 brcc l |
| 111100lllllll000 brcs l |
| 111100lllllll001 breq l |
| 111101lllllll100 brge l |
| 111101lllllll101 brhc l |
| 111100lllllll101 brhs l |
| 111101lllllll111 brid l |
| 111100lllllll111 brie l |
| 111100lllllll000 brlo l |
| 111100lllllll100 brlt l |
| 111100lllllll010 brmi l |
| 111101lllllll001 brne l |
| 111101lllllll010 brpl l |
| 111101lllllll000 brsh l |
| 111101lllllll110 brtc l |
| 111100lllllll110 brts l |
| 111101lllllll011 brvc l |
| 111100lllllll011 brvs l |
| 111101lllllllsss brbc s,l |
| 111100lllllllsss brbs s,l |
| 1101LLLLLLLLLLLL rcall L |
| 1100LLLLLLLLLLLL rjmp L |
| 1001010hhhhh111h call h |
| 1001010hhhhh110h jmp h |
| 1001010rrrrr0101 asr r |
| 1001010rrrrr0000 com r |
| 1001010rrrrr1010 dec r |
| 1001010rrrrr0011 inc r |
| 1001010rrrrr0110 lsr r |
| 1001010rrrrr0001 neg r |
| 1001000rrrrr1111 pop r |
| 1001001rrrrr1111 push r |
| 1001010rrrrr0111 ror r |
| 1001010rrrrr0010 swap r |
| 00000001ddddrrrr movw v,v |
| 00000010ddddrrrr muls d,d |
| 000000110ddd0rrr mulsu a,a |
| 000000110ddd1rrr fmul a,a |
| 000000111ddd0rrr fmuls a,a |
| 000000111ddd1rrr fmulsu a,a |
| 1001001ddddd0000 sts i,r |
| 1001000ddddd0000 lds r,i |
| 10o0oo0dddddbooo ldd r,b |
| 100!000dddddee-+ ld r,e |
| 10o0oo1rrrrrbooo std b,r |
| 100!001rrrrree-+ st e,r |
| 1001010100011001 eicall |
| 1001010000011001 eijmp |
| </pre></div> |
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| Previous: <a href="AVR-Syntax.html#AVR-Syntax" accesskey="p" rel="prev">AVR Syntax</a>, Up: <a href="AVR_002dDependent.html#AVR_002dDependent" accesskey="u" rel="up">AVR-Dependent</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="AS-Index.html#AS-Index" title="Index" rel="index">Index</a>]</p> |
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