
  6502 opcode table

All empty entries are undocumented opcodes.
Notice there are no documented opcodes in the fourth column.


00  brk             01  ora (zp, x)     02                  03
04                  05  ora zp          06  asl zp          07
08  php             09  ora #imm8       0a  asl             0b
0c                  0d  ora abs16       0e  asl abs16       0f
10  bpl rel8        11  ora (zp), y     12                  13
14                  15  ora zp, x       16  asl zp, x       17
18  clc             19  ora abs16, y    1a                  1b
1c                  1d  ora abs16, x    1e  asl abs16, x    1f

20  jsr abs16       21  and (zp, x)     22                  23
24  bit zp          25  and zp          26  rol zp          27
28  plp             29  and #imm8       2a  rol             2b
2c  bit abs16       2d  and abs16       2e  rol abs16       2f
30  bmi rel8        31  and (zp), y     32                  33
34                  35  and zp, x       36  rol zp, x       37
38  sec             39  and abs16, y    3a                  3b
3c                  3d  and abs16, x    3e  rol abs16, x    3f

40  rti             41  eor (zp, x)     42                  43
44                  45  eor zp          46  lsr zp          47
48  pha             49  eor #imm8       4a  lsr             4b
4c  jmp abs16       4d  eor abs16       4e  lsr abs16       4f
50  bvc rel8        51  eor (zp), y     52                  53
54                  55  eor zp, x       56  lsr zp, x       57
58  cli             59  eor abs16, y    5a                  5b
5c                  5d  eor abs16, x    5e  lsr abs16, x    5f

60  rts             61  adc (zp, x)     62                  63
64                  65  adc zp          66  ror zp          67
68  pla             69  adc #imm8       6a  ror             6b
6c  jmp (abs16)     6d  adc abs16       6e  ror abs16       6f
70  bvs rel8        71  adc (zp), y     72                  73
74                  75  adc zp, x       76  ror zp, x       77
78  sei             79  adc abs16, y    7a                  7b
7c                  7d  adc abs16, x    7e  ror abs16, x    7f

80                  81  sta (zp, x)     82                  83
84  sty zp          85  sta zp          86  stx zp          87
88  dey             89                  8a  txa             8b
8c  sty abs16       8d  sta abs16       8e  stx abs16       8f
90  bcc rel8        91  sta (zp), y     92                  93
94  sty zp, x       95  sta zp, x       96  stx zp, y       97
98  tya             99  sta abs16, y    9a  txs             9b
9c                  9d  sta abs16, x    9e                  9f

a0  ldy #imm8       a1  lda (zp, x)     a2  ldx #imm8       a3
a4  ldy zp          a5  lda zp          a6  ldx zp          a7
a8  tay             a9  lda #imm8       aa  tax             ab
ac  ldy abs16       ad  lda abs16       ae  ldx abs16       af
b0  bcs rel8        b1  lda (zp), y     b2                  b3
b4  ldy zp, x       b5  lda zp, x       b6  ldx zp, y       b7
b8  clv             b9  lda abs16, y    ba  tsx             bb
bc  ldy abs16, x    bd  lda abs16, x    be  ldx abs16, y    bf

c0  cpy #imm8       c1  cmp (zp, x)     c2                  c3
c4  cpy zp          c5  cmp zp          c6  dec zp          c7
c8  iny             c9  cmp #imm8       ca  dex             cb
cc  cpy abs16       cd  cmp abs16       ce  dec abs16       cf
d0  bne rel8        d1  cmp (zp), y     d2                  d3
d4                  d5  cmp zp, x       d6  dec zp, x       d7
d8  cld             d9  cmp abs16, y    da                  db
dc                  dd  cmp abs16, x    de  dec abs16, x    df

e0  cpx #imm8       e1  sbc (zp, x)     e2                  e3
e4  cpx zp          e5  sbc zp          e6  inc zp          e7
e8  inx             e9  sbc #imm8       ea  nop             eb
ec  cpx abs16       ed  sbc abs16       ee  inc abs16       ef
f0  beq rel8        f1  sbc (zp), y     f2                  f3
f4                  f5  sbc zp, x       f6  inc zp, x       f7
f8  sed             f9  sbc abs16, y    fa                  fb
fc                  fd  sbc abs16, x    fe  inc abs16, x    ff


#imm8:  8-bit immediate value
zp:     8-bit zeropage address
abs16:  16-bit absolute address
rel8:   8-bit relative address offset
