Full 6800 Opcode List
                         =====================
               File: DOCS.Comp.6800.OpList - Update: 0.10
                 Author: J.G.Harston - Date: 08-08-2001

nn               nn               nn               nn
--------------------------------------------------------------------------
00 -             40 NEGA          80 SUBA #n       C0 SUBB #n
01 NOP           41 -             81 CMPA #n       C1 CMPB #n
02 -             42 -             82 SBCA #n       C2 SBCB #n
03 -             43 COMA          83 -             C3 -
04 -             44 LSRA          84 ANDA #n       C4 ANDB #n
05 -             45 -             85 BITA #n       C5 BITB #n
06 TAP           46 RORA          86 LDAA #n       C6 LDAB #n
07 TPA           47 ASRA          87 -             C7 -
08 INX           48 ASLA          88 EORA #n       C8 EORB #n
09 DEX           49 ROLA          89 ADCA #n       C9 ADCB #n
0A CLV           4A DECA          8A ORAA #n       CA ORAB #n
0B SEV           4B -             8B ADDA #n       CB ADDB #n
0C CLC           4C INCA          8C CPX  #n16     CC -
0D SEC           4D TSTA          8D BSR  rel      CD -
0E CLI           4E -             8E LDS  #n16     CE LDX  #n16
0F SEI           4F CLRA          8F -             CF -

10 SBA           50 NEGB          90 SUBA <dp      D0 SUBB <dp
11 CBA           51 -             91 CMPA <dp      D1 CMPB <dp
12 -             52 -             92 SBCA <dp      D2 SBCB <dp
13 -             53 COMB          93 -             D3 -
14 -             54 LSRB          94 ANDA <dp      D4 ANDB <dp
15 -             55 -             95 BITA <dp      D5 BITB <dp
16 TAB           56 RORB          96 LDAA <dp      D6 LDAB <dp
17 TBA           57 ASRB          97 STAA <dp      D7 STAB <dp
18 -             58 ASLB          98 EORA <dp      D8 EORB <dp
19 DAA           59 ROLB          99 ADCA <dp      D9 ADCB <dp
1A -             5A DECB          9A ORAA <dp      DA ORAB <dp
1B ABA           5B -             9B ADDA <dp      DB ADDB <dp
1C -             5C INCB          9C CPX  <dp      DC -
1D -             5D TSTB          9D -             DD -
1E -             5E -             9E LDS  <dp      DE LDX  <dp
1F -             5F CLRB          9F STS  <dp      DF STX  <dp

20 BRA  rel      60 NEG  n,X      A0 SUBA n,X      E0 SUBB n,X
21 -             61 -             A1 CMPA n,X      E1 CMPB n,X
22 BHI  rel      62 -             A2 SBCA n,X      E2 SBCB n,X
23 BLS  rel      63 COM  n,X      A3 -             E3 -
24 BCC  rel      64 LSR  n,X      A4 ANDA n,X      E4 ANDB n,X
25 BCS  rel      65 -             A5 BITA n,X      E5 BITB n,X
26 BNE  rel      66 ROR  n,X      A6 LDAA n,X      E6 LDAB n,X
27 BEQ  rel      67 ASR  n,X      A7 STAA n,X      E7 STAB n,X
28 BVC  rel      68 ASL  n,X      A8 EORA n,X      E8 EORB n,X
29 BVS  rel      69 ROL  n,X      A9 ADCA n,X      E9 ADCB n,X
2A BPL  rel      6A DEC  n,X      AA ORAA n,X      EA ORAB n,X
2B BMI  rel      6B -             AB ADDA n,X      EB ADDB n,X
2C BGE  rel      6C INC  n,X      AC CPX  n,X      EC -
2D BLT  rel      6D TST  n,X      AD JSR  n,X      ED -
2E BGT  rel      6E JMP  n,X      AE LDS  n,X      EE LDX  n,X
2F BLE  rel      6F CLR  n,X      AF STS  n,X      EF STX  n,X

30 TSX           70 NEG  >ext     B0 SUBA >ext     F0 SUBB >ext
31 INS           71 -             B1 CMPA >ext     F1 CMPB >ext
32 PULA          72 -             B2 SBCA >ext     F2 SBCB >ext
33 PULB          73 COM  >ext     B3 -             F3 -
34 DES           74 LSR  >ext     B4 ANDA >ext     F4 ANDB >ext
35 TXS           75 -             B5 BITA >ext     F5 BITB >ext
36 PSHA          76 ROR  >ext     B6 LDAA >ext     F6 LDAB >ext
37 PSHB          77 ASR  >ext     B7 STAA >ext     F7 STAB >ext
38 -             78 ASL  >ext     B8 EORA >ext     F8 EORB >ext
39 RTS           79 ROL  >ext     B9 ADCA >ext     F9 ADCB >ext
3A -             7A DEC  >ext     BA ORAA >ext     FA ORAB >ext
3B RTI           7B -             BB ADDA >ext     FB ADDB >ext
3C -             7C INC  >ext     BC CPX  >ext     FC -
3D WAI           7D TST  >ext     BD JSR  >ext     FD -
3E -             7E JMP  >ext     BE LDS  >ext     FE LDX  >ext
3F SWI           7F CLR  >ext     BF STS  >ext     FF STX  >ext

n       - 8bit number
n16     - 16bit number
n,X     - 8bit relative offset from X register
<dp     - 8bit direct page address
>ext    - 16bit absolute address
rel     - 8bit relative offset

References
----------
Using The 6800 Processor, Elmer Poe.

Document History
----------------