r65c02 opcode table All empty entries are undocumented opcodes. All differences to the 65c02 (all in the fourth column) are marked using a '+' sign. 00 brk 01 ora (zp, x) 02 03 04 tsb zp 05 ora zp 06 asl zp 07+ rmb0 zp 08 php 09 ora #imm8 0a asl 0b 0c tsb abs16 0d ora abs16 0e asl abs16 0f+ bbr0 zp, rel8 10 bpl rel8 11 ora (zp), y 12 ora (zp) 13 14 trb zp 15 ora zp, x 16 asl zp, x 17+ rmb1 zp 18 clc 19 ora abs16, y 1a inc 1b 1c trb abs16 1d ora abs16, x 1e asl abs16, x 1f+ bbr1 zp, rel8 20 jsr abs16 21 and (zp, x) 22 23 24 bit zp 25 and zp 26 rol zp 27+ rmb2 zp 28 plp 29 and #imm8 2a rol 2b 2c bit abs16 2d and abs16 2e rol abs16 2f+ bbr2 zp, rel8 30 bmi rel8 31 and (zp), y 32 and (zp) 33 34 bit zp, x 35 and zp, x 36 rol zp, x 37+ rmb3 zp 38 sec 39 and abs16, y 3a dec 3b 3c bit abs16, x 3d and abs16, x 3e rol abs16, x 3f+ bbr3 zp, rel8 40 rti 41 eor (zp, x) 42 43 44 45 eor zp 46 lsr zp 47+ rmb4 zp 48 pha 49 eor #imm8 4a lsr 4b 4c jmp abs16 4d eor abs16 4e lsr abs16 4f+ bbr4 zp, rel8 50 bvc rel8 51 eor (zp), y 52 eor (zp) 53 54 55 eor zp, x 56 lsr zp, x 57+ rmb5 zp 58 cli 59 eor abs16, y 5a phy 5b 5c 5d eor abs16, x 5e lsr abs16, x 5f+ bbr5 zp, rel8 60 rts 61 adc (zp, x) 62 63 64 stz zp 65 adc zp 66 ror zp 67+ rmb6 zp 68 pla 69 adc #imm8 6a ror 6b 6c jmp (abs16) 6d adc abs16 6e ror abs16 6f+ bbr6 zp, rel8 70 bvs rel8 71 adc (zp), y 72 adc (zp) 73 74 stz zp, x 75 adc zp, x 76 ror zp, x 77+ rmb7 zp 78 sei 79 adc abs16, y 7a ply 7b 7c jmp (abs16, x) 7d adc abs16, x 7e ror abs16, x 7f+ bbr7 zp, rel8 80 bra rel8 81 sta (zp, x) 82 83 84 sty zp 85 sta zp 86 stx zp 87+ smb0 zp 88 dey 89 bit #imm8 8a txa 8b 8c sty abs16 8d sta abs16 8e stx abs16 8f+ bbs0 zp, rel8 90 bcc rel8 91 sta (zp), y 92 sta (zp) 93 94 sty zp, x 95 sta zp, x 96 stx zp, y 97+ smb1 zp 98 tya 99 sta abs16, y 9a txs 9b 9c stz abs16 9d sta abs16, x 9e stz abs16, x 9f+ bbs1 zp, rel8 a0 ldy #imm8 a1 lda (zp, x) a2 ldx #imm8 a3 a4 ldy zp a5 lda zp a6 ldx zp a7+ smb2 zp a8 tay a9 lda #imm8 aa tax ab ac ldy abs16 ad lda abs16 ae ldx abs16 af+ bbs2 zp, rel8 b0 bcs rel8 b1 lda (zp), y b2 lda (zp) b3 b4 ldy zp, x b5 lda zp, x b6 ldx zp, y b7+ smb3 zp b8 clv b9 lda abs16, y ba tsx bb bc ldy abs16, x bd lda abs16, x be ldx abs16, y bf+ bbs3 zp, rel8 c0 cpy #imm8 c1 cmp (zp, x) c2 c3 c4 cpy zp c5 cmp zp c6 dec zp c7+ smb4 zp c8 iny c9 cmp #imm8 ca dex cb cc cpy abs16 cd cmp abs16 ce dec abs16 cf+ bbs4 zp, rel8 d0 bne rel8 d1 cmp (zp), y d2 cmp (zp) d3 d4 d5 cmp zp, x d6 dec zp, x d7+ smb5 zp d8 cld d9 cmp abs16, y da phx db dc dd cmp abs16, x de dec abs16, x df+ bbs5 zp, rel8 e0 cpx #imm8 e1 sbc (zp, x) e2 e3 e4 cpx zp e5 sbc zp e6 inc zp e7+ smb6 zp e8 inx e9 sbc #imm8 ea nop eb ec cpx abs16 ed sbc abs16 ee inc abs16 ef+ bbs6 zp, rel8 f0 beq rel8 f1 sbc (zp), y f2 sbc (zp) f3 f4 f5 sbc zp, x f6 inc zp, x f7+ smb7 zp f8 sed f9 sbc abs16, y fa plx fb fc fd sbc abs16, x fe inc abs16, x ff+ bbs7 zp, rel8 #imm8: 8-bit immediate value zp: 8-bit zeropage address abs16: 16-bit absolute address rel8: 8-bit relative address offset The r65c02 is a superset of the 65c02. It adds bit manipulation instructions: smbB zp set bit in zp location rmbB zp reset bit in zp location bbsB zp, rel8 branch if bit is set in zp location bbrB zp, rel8 branch if bit is reset in zp location The 'B' in the mnemonic is the bit number, therefore it must be in the 0..7 range.