Talk:S1C88 InstructionSet

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Instruction list

This is a copy of the list on the page but deviates from it in that this is a complete list of all possible opcodes on the PM (including illegal ones). Needless to say; all the new/illegal opcodes were tested on an actual Pokemon Mini.

Hex Mnemonic Cycles *3 Notes
FF NOP 8
40 MOV A, A 4
41 MOV A, B 4
42 MOV A, L 4
43 MOV A, H 4
44 nn MOV A, [N+#nn] 12
45 MOV A, [HL] 8
46 MOV A, [X] 8
47 MOV A, [Y] 8
48 MOV B, A 4
49 MOV B, B 4
4A MOV B, L 4
4B MOV B, H 4
4C nn MOV B, [N+#nn] 12
4D MOV B, [HL] 8
4E MOV B, [X] 8
4F MOV B, [Y] 8
50 MOV L, A 4
51 MOV L, B 4
52 MOV L, L 4
53 MOV L, H 4
54 nn MOV L, [N+#nn] 12
55 MOV L, [HL] 8
56 MOV L, [X] 8
57 MOV L, [Y] 8
58 MOV H, A 4
59 MOV H, B 4
5A MOV H, L 4
5B MOV H, H 4
5C nn MOV H, [N+#nn] 12
5D MOV H, [HL] 8
5E MOV H, [X] 8
5F MOV H, [Y] 8
60 MOV [X], A 8
61 MOV [X], B 8
62 MOV [X], L 8
63 MOV [X], H 8
64 nn MOV [X], [N+#nn] 16
65 MOV [X], [HL] 12
66 MOV [X], [X] 12
67 MOV [X], [Y] 12
68 MOV [HL], A 8
69 MOV [HL], B 8
6A MOV [HL], L 8
6B MOV [HL], H 8
6C nn MOV [HL], [N+#nn] 16
6D MOV [HL], [HL] 12
6E MOV [HL], [X] 12
6F MOV [HL], [Y] 12
70 MOV [Y], A 8
71 MOV [Y], B 8
72 MOV [Y], L 8
73 MOV [Y], H 8
74 nn MOV [Y], [N+#nn] 16
75 MOV [Y], [HL] 12
76 MOV [Y], [X] 12
77 MOV [Y], [Y] 12
78 nn MOV [N+#nn], A 12
79 nn MOV [N+#nn], B 12
7A nn MOV [N+#nn], L 12
7B nn MOV [N+#nn], H 12
7D nn MOV [N+#nn], [HL] 16
7E nn MOV [N+#nn], [X] 16
7F nn MOV [N+#nn], [Y] 16
9F nn MOV F, #nn 12
B0 nn MOV A, #nn 8
B1 nn MOV B, #nn 8
B2 nn MOV L, #nn 8
B3 nn MOV H, #nn 8
B4 nn MOV N, #nn 8
B5 nn MOV [HL], #nn 12
B6 nn MOV [X], #nn 12
B7 nn MOV [Y], #nn 12
DD nn nn MOV [N+#nn], #nn 16
CE C4 nn MOV U, #nn 16
CE C5 nn MOV I, #nn 12
CE C6 nn MOV XI, #nn 12
CE C7 nn MOV YI, #nn 12
CE 40 ss MOV A, [X+#ss] 16
CE 41 ss MOV A, [Y+#ss] 16
CE 42 MOV A, [X+L] 16
CE 43 MOV A, [Y+L] 16
CE 48 ss MOV B, [X+#ss] 16
CE 49 ss MOV B, [Y+#ss] 16
CE 4A MOV B, [X+L] 16
CE 4B MOV B, [Y+L] 16
CE 50 ss MOV L, [X+#ss] 16
CE 51 ss MOV L, [Y+#ss] 16
CE 52 MOV L, [X+L] 16
CE 53 MOV L, [Y+L] 16
CE 58 ss MOV H, [X+#ss] 16
CE 59 ss MOV H, [Y+#ss] 16
CE 5A MOV H, [X+L] 16
CE 5B MOV H, [Y+L] 16
CE 44 ss MOV [X+#ss], A 16
CE 45 ss MOV [Y+#ss], A 16
CE 46 MOV [X+L], A 16
CE 47 MOV [Y+L], A 16
CE 4C ss MOV [X+#ss], B 16
CE 4D ss MOV [Y+#ss], B 16
CE 4E MOV [X+L], B 16
CE 4F MOV [Y+L], B 16
CE 54 ss MOV [X+#ss], L 16
CE 55 ss MOV [Y+#ss], L 16
CE 56 MOV [X+L], L 16
CE 57 MOV [Y+L], L 16
CE 5C ss MOV [X+#ss], H 16
CE 5D ss MOV [Y+#ss], H 16
CE 5E MOV [X+L], H 16
CE 5F MOV [Y+L], H 16
CE 60 ss MOV [HL], [X+#ss] 20
CE 61 ss MOV [HL], [Y+#ss] 20
CE 62 MOV [HL], [X+L] 20
CE 63 MOV [HL], [Y+L] 20
CE 68 ss MOV [X], [X+#ss] 20
CE 69 ss MOV [X], [Y+#ss] 20
CE 6A MOV [X], [X+L] 20
CE 6B MOV [X], [Y+L] 20
CE 78 ss MOV [Y], [X+#ss] 20
CE 79 ss MOV [Y], [Y+#ss] 20
CE 7A MOV [Y], [X+L] 20
CE 7B MOV [Y], [Y+L] 20
B8 nn nn MOV BA, [#nnnn] 20
B9 nn nn MOV HL, [#nnnn] 20
BA nn nn MOV X, [#nnnn] 20
BB nn nn MOV Y, [#nnnn] 20
CF 78 nn nn MOV SP, [#nnnn] 24
BC nn nn MOV [#nnnn], BA 20
BD nn nn MOV [#nnnn], HL 20
BE nn nn MOV [#nnnn], X 20
BF nn nn MOV [#nnnn], Y 20
CF 7C nn nn MOV [#nnnn], SP 24
C4 nn nn MOV BA, #nnnn 12
C5 nn nn MOV HL, #nnnn 12
C6 nn nn MOV X, #nnnn 12
C7 nn nn MOV Y, #nnnn 12
CF 6E nn nn MOV SP, #nnnn 16
CE C0 MOV A, N 8
CE C1 MOV A, F 8
CE C8 MOV A, V 8
CE C9 MOV A, I 8
CE CA MOV A, XI 8
CE CB MOV A, YI 8
CE C2 MOV N, A 8
CE C3 MOV F, A 12
CE CC MOV U, A 12
CE CD MOV I, A 8
CE CE MOV XI, A 8
CE CF MOV YI, A 8
CE D0 nn nn MOV A, [#nnnn] 20
CE D1 nn nn MOV B, [#nnnn] 20
CE D2 nn nn MOV L, [#nnnn] 20
CE D3 nn nn MOV H, [#nnnn] 20
CE D4 nn nn MOV [#nnnn], A 20
CE D5 nn nn MOV [#nnnn], B 20
CE D6 nn nn MOV [#nnnn], L 20
CE D7 nn nn MOV [#nnnn], H 20
CF 70 ss MOV BA, [SP+#ss] 24
CF 71 ss MOV HL, [SP+#ss] 24
CF 72 ss MOV X, [SP+#ss] 24
CF 73 ss MOV Y, [SP+#ss] 24
CF 74 ss MOV [SP+#ss], BA 24
CF 75 ss MOV [SP+#ss], HL 24
CF 76 ss MOV [SP+#ss], X 24
CF 77 ss MOV [SP+#ss], Y 24
CF C0 MOV BA, [HL] 20
CF C1 MOV HL, [HL] 20
CF C2 MOV X, [HL] 20
CF C3 MOV Y, [HL] 20
CF D0 MOV BA, [X] 20
CF D1 MOV HL, [X] 20
CF D2 MOV X, [X] 20
CF D3 MOV Y, [X] 20
CF D8 MOV BA, [Y] 20
CF D9 MOV HL, [Y] 20
CF DA MOV X, [Y] 20
CF DB MOV Y, [Y] 20
CF C4 MOV [HL], BA 20
CF C5 MOV [HL], HL 20
CF C6 MOV [HL], X 20
CF C7 MOV [HL], Y 20
CF D4 MOV [X], BA 20
CF D5 MOV [X], HL 20
CF D6 MOV [X], X 20
CF D7 MOV [X], Y 20
CF DC MOV [Y], BA 20
CF DD MOV [Y], HL 20
CF DE MOV [Y], X 20
CF DF MOV [Y], Y 20
CF E0 MOV BA, BA 8
CF E1 MOV BA, HL 8
CF E2 MOV BA, X 8
CF E3 MOV BA, Y 8
CF E4 MOV HL, BA 8
CF E5 MOV HL, HL 8
CF E6 MOV HL, X 8
CF E7 MOV HL, Y 8
CF E8 MOV X, BA 8
CF E9 MOV X, HL 8
CF EA MOV X, X 8
CF EB MOV X, Y 8
CF EC MOV Y, BA 8
CF ED MOV Y, HL 8
CF EE MOV Y, X 8
CF EF MOV Y, Y 8
CF F0 MOV SP, BA 8
CF F1 MOV SP, HL 8
CF F2 MOV SP, X 8
CF F3 MOV SP, Y 8
CF F4 MOV HL, SP 8
CF F5 MOV HL, PC 8
CF F8 MOV BA, SP 8
CF F9 MOV BA, PC 8
CF FA MOV X, SP 8
CF FE MOV Y, SP 8
00 ADD A, A 8
01 ADD A, B 8
02 nn ADD A, #nn 8
03 ADD A, [HL] 8
04 nn ADD A, [N+#nn] 12
05 nn nn ADD A, [#nnnn] 16
06 ADD A, [X] 8
07 ADD A, [Y] 8
C0 nn nn ADD BA, #nnnn 12
C1 nn nn ADD HL, #nnnn 12
C2 nn nn ADD X, #nnnn 12
C3 nn nn ADD Y, #nnnn 12
CF 68 nn nn ADD SP, #nnnn 16
CE 00 ss ADD A, [X+#ss] 16
CE 01 ss ADD A, [Y+#ss] 16
CE 02 ADD A, [X+L] 16
CE 03 ADD A, [Y+L] 16
CE 04 ADD [HL], A 16
CE 05 nn ADD [HL], #nn 20
CE 06 ADD [HL], [X] 20
CE 07 ADD [HL], [Y] 20
CF 00 ADD BA, BA 16
CF 01 ADD BA, HL 16
CF 02 ADD BA, X 16
CF 03 ADD BA, Y 16
CF 20 ADD HL, BA 16
CF 21 ADD HL, HL 16
CF 22 ADD HL, X 16
CF 23 ADD HL, Y 16
CF 40 ADD X, BA 16
CF 41 ADD X, HL 16
CF 42 ADD Y, BA 16
CF 43 ADD Y, HL 16
CF 44 ADD SP, BA 16
CF 45 ADD SP, HL 16
10 SUB A, A 8
11 SUB A, B 8
12 nn SUB A, #nn 8
13 SUB A, [HL] 8
14 nn SUB A, [N+#nn] 12
15 nn nn SUB A, [#nnnn] 16
16 SUB A, [X] 8
17 SUB A, [Y] 8
D0 nn nn SUB BA, #nnnn 12
D1 nn nn SUB HL, #nnnn 12
D2 nn nn SUB X, #nnnn 12
D3 nn nn SUB Y, #nnnn 12
CF 6A nn nn SUB SP, #nnnn 16
CE 10 ss SUB A, [X+#ss] 16
CE 11 ss SUB A, [Y+#ss] 16
CE 12 SUB A, [X+L] 16
CE 13 SUB A, [Y+L] 16
CE 14 SUB [HL], A 16
CE 15 nn SUB [HL], #nn 20
CE 16 SUB [HL], [X] 20
CE 17 SUB [HL], [Y] 20
CF 08 SUB BA, BA 16
CF 09 SUB BA, HL 16
CF 0A SUB BA, X 16
CF 0B SUB BA, Y 16
CF 28 SUB HL, BA 16
CF 29 SUB HL, HL 16
CF 2A SUB HL, X 16
CF 2B SUB HL, Y 16
CF 48 SUB X, BA 16
CF 49 SUB X, HL 16
CF 4A SUB Y, BA 16
CF 4B SUB Y, HL 16
CF 4C SUB SP, BA 16
CF 4D SUB SP, HL 16
08 ADC A, A 8
09 ADC A, B 8
0A nn ADC A, #nn 8
0B ADC A, [HL] 8
0C nn ADC A, [N+#nn] 12
0D nn nn ADC A, [#nnnn] 16
0E ADC A, [X] 8
0F ADC A, [Y] 8
CE 08 ss ADC A, [X+#ss] 16
CE 09 ss ADC A, [Y+#ss] 16
CE 0A ADC A, [X+L] 16
CE 0B ADC A, [Y+L] 16
CE 0C ADC [HL], A 16
CE 0D nn ADC [HL], #nn 20
CE 0E ADC [HL], [X] 20
CE 0F ADC [HL], [Y] 20
CF 04 ADC BA, BA 16
CF 05 ADC BA, HL 16
CF 06 ADC BA, X 16
CF 07 ADC BA, Y 16
CF 24 ADC HL, BA 16
CF 25 ADC HL, HL 16
CF 26 ADC HL, X 16
CF 27 ADC HL, Y 16
CF 60 nn nn ADC BA, #nnnn 16
CF 61 nn nn ADC HL, #nnnn 16
18 SBC A, A 8
19 SBC A, B 8
1A nn SBC A, #nn 8
1B SBC A, [HL] 8
1C nn SBC A, [N+#nn] 12
1D nn nn SBC A, [#nnnn] 16
1E SBC A, [X] 8
1F SBC A, [Y] 8
CE 18 ss SBC A, [X+#ss] 16
CE 19 ss SBC A, [Y+#ss] 16
CE 1A SBC A, [X+L] 16
CE 1B SBC A, [Y+L] 16
CE 1C SBC [HL], A 16
CE 1D nn SBC [HL], #nn 20
CE 1E SBC [HL], [X] 20
CE 1F SBC [HL], [Y] 20
CF 0C SBC BA, BA 16
CF 0D SBC BA, HL 16
CF 0E SBC BA, X 16
CF 0F SBC BA, Y 16
CF 2C SBC HL, BA 16
CF 2D SBC HL, HL 16
CF 2E SBC HL, X 16
CF 2F SBC HL, Y 16
CF 62 nn nn SBC BA, #nnnn 16
CF 63 nn nn SBC HL, #nnnn 16
30 CMP A, A 8
31 CMP A, B 8
32 nn CMP A, #nn 8
33 CMP A, [HL] 8
34 nn CMP A, [N+#nn] 12
35 nn nn CMP A, [#nnnn] 16
36 CMP A, [X] 8
37 CMP A, [Y] 8
D4 nn nn CMP BA, #nnnn 12
D5 nn nn CMP HL, #nnnn 12
D6 nn nn CMP X, #nnnn 12
D7 nn nn CMP Y, #nnnn 12
CF 6C nn nn CMP SP, #nnnn 16
DB nn nn CMP [N+#nn], #nn 16
CE 30 ss CMP A, [X+#ss] 16
CE 31 ss CMP A, [Y+#ss] 16
CE 32 CMP A, [X+L] 16
CE 33 CMP A, [Y+L] 16
CE 34 CMP [HL], A 16
CE 35 nn CMP [HL], #nn 20
CE 36 CMP [HL], [X] 20
CE 37 CMP [HL], [Y] 20
CE BC nn CMP B, #nn 12
CE BD nn CMP L, #nn 12
CE BE nn CMP H, #nn 12
CE BF nn CMP N, #nn 12
CF 18 CMP BA, BA 16
CF 19 CMP BA, HL 16
CF 1A CMP BA, X 16
CF 1B CMP BA, Y 16
CF 38 CMP HL, BA 16
CF 39 CMP HL, HL 16
CF 3A CMP HL, X 16
CF 3B CMP HL, Y 16
CF 5C CMP SP, BA 16
CF 5D CMP SP, HL 16
80 INC A 8
81 INC B 8
82 INC L 8
83 INC H 8
84 INC N 8
85 nn INC [N+#nn] 16
86 INC [HL] 12
87 INC SP 8
90 INC BA 8
91 INC HL 8
92 INC X 8
93 INC Y 8
88 DEC A 8
89 DEC B 8
8A DEC L 8
8B DEC H 8
8C DEC N 8
8D nn DEC [N+#nn] 16
8E DEC [HL] 12
8F DEC SP 8
98 DEC BA 8
99 DEC HL 8
9A DEC X 8
9B DEC Y 8
CE A4 NEG A 12
CE A5 NEG B 12
CE A6 NEG [N+#nn] 20
CE A7 NEG [HL] 16
CE D8 MUL L, A 48
CE D9 DIV HL, A 52
94 TST A, B 8
95 nn TST [HL], #nn 12
96 nn TST A, #nn 8
97 nn TST B, #nn 8
DC nn nn TST [N+#nn], #nn 16
20 AND A, A 8
21 AND A, B 8
22 nn AND A, #nn 8
23 AND A, [HL] 8
24 nn AND A, [N+#nn] 12
25 nn nn AND A, [#nnnn] 16
26 AND A, [X] 8
27 AND A, [Y] 8
9C nn AND F, #nn 12
CE B0 nn AND B, #nn 12
CE B1 nn AND L, #nn 12
CE B2 nn AND H, #nn 12
D8 nn nn AND [N+#nn], #nn 20
CE 20 ss AND A, [X+#ss] 16
CE 21 ss AND A, [Y+#ss] 16
CE 22 AND A, [X+L] 16
CE 23 AND A, [Y+L] 16
CE 24 AND [HL], A 16
CE 25 nn AND [HL], #nn 20
CE 26 AND [HL], [X] 20
CE 27 AND [HL], [Y] 20
28 OR A, A 8
29 OR A, B 8
2A nn OR A, #nn 8
2B OR A, [HL] 8
2C nn OR A, [N+#nn] 12
2D nn nn OR A, [#nnnn] 16
2E OR A, [X] 8
2F OR A, [Y] 8
9D nn OR F, #nn 12
CE B4 nn OR B, #nn 12
CE B5 nn OR L, #nn 12
CE B6 nn OR H, #nn 12
D9 nn nn OR [N+#nn], #nn 20
CE 28 ss OR A, [X+#ss] 16
CE 29 ss OR A, [Y+#ss] 16
CE 2A OR A, [X+L] 16
CE 2B OR A, [Y+L] 16
CE 2C OR [HL], A 16
CE 2D nn OR [HL], #nn 20
CE 2E OR [HL], [X] 20
CE 2F OR [HL], [Y] 20
38 XOR A, A 8
39 XOR A, B 8
3A nn XOR A, #nn 8
3B XOR A, [HL] 8
3C nn XOR A, [N+#nn] 12
3D nn nn XOR A, [#nnnn] 16
3E XOR A, [X] 8
3F XOR A, [Y] 8
9E nn XOR F, #nn 12
CE B8 nn XOR B, #nn 12
CE B9 nn XOR L, #nn 12
CE BA nn XOR H, #nn 12
DA nn nn XOR [N+#nn], #nn 20
CE 38 ss XOR A, [X+#ss] 16
CE 39 ss XOR A, [Y+#ss] 16
CE 3A XOR A, [X+L] 16
CE 3B XOR A, [Y+L] 16
CE 3C XOR [HL], A 16
CE 3D nn XOR [HL], #nn 20
CE 3E XOR [HL], [X] 20
CE 3F XOR [HL], [Y] 20
CE A0 NOT A 12
CE A1 NOT B 12
CE A2 NOT [N+#nn] 20
CE A3 NOT [HL] 16
CE 84 SHL A 12
CE 85 SHL B 12
CE 86 SHL [N+#nn] 20
CE 87 SHL [HL] 16
CE 80 SAL A 12
CE 81 SAL B 12
CE 82 SAL [N+#nn] 20
CE 83 SAL [HL] 16
CE 8C SHR A 12
CE 8D SHR B 12
CE 8E SHR [N+#nn] 20
CE 8F SHR [HL] 16
CE 88 SAR A 12
CE 89 SAR B 12
CE 8A SAR [N+#nn] 20
CE 8B SAR [HL] 16
CE 94 ROL A 12
CE 95 ROL B 12
CE 96 ROL [N+#nn] 20
CE 97 ROL [HL] 16
CE 90 ROLC A 12
CE 91 ROLC B 12
CE 92 ROLC [N+#nn] 20
CE 93 ROLC [HL] 16
CE 9C ROR A 12
CE 9D ROR B 12
CE 9E ROR [N+#nn] 20
CE 9F ROR [HL] 16
CE 98 RORC A 12
CE 99 RORC B 12
CE 9A RORC [N+#nn] 20
CE 9B RORC [HL] 16
C8 XCHG BA, HL 12
C9 XCHG BA, X 12
CA XCHG BA, Y 12
CB XCHG BA, SP 12
CC XCHG A, B 8
CD XCHG A, [HL] 12
DE PACK 8
DF UNPACK 8
F6 SWAP A 8
F7 SWAP [HL] 12
CE A8 EX BA, A 12
A0 PUSH BA 16
A1 PUSH HL 16
A2 PUSH X 16
A3 PUSH Y 16
A4 PUSH N 12
A5 PUSH I 12
A6 PUSHX 16
A7 PUSH F 12
CF B0 PUSH A 12
CF B1 PUSH B 12
CF B2 PUSH L 12
CF B3 PUSH H 12
CF B8 PUSHA 48
CF B9 PUSHAX 60
A8 POP BA 12
A9 POP HL 12
AA POP X 12
AB POP Y 12
AC POP N 8
AD POP I 8
AE POPX 12
AF POP F 8
CF B4 POP A 12
CF B5 POP B 12
CF B6 POP L 12
CF B7 POP H 12
CF BC POPA 32
CF BD POPAX 40
E0 ss CALLC #ss 20 / 8 (Not met)
E1 ss CALLNC #ss 20 / 8 (Not met)
E2 ss CALLZ #ss 20 / 8 (Not met)
E3 ss CALLNZ #ss 20 / 8 (Not met)
E8 ss ss CALLCW #ssss 24 / 12 (Not met)
E9 ss ss CALLNCW #ssss 24 / 12 (Not met)
EA ss ss CALLZW #ssss 24 / 12 (Not met)
EB ss ss CALLNZW #ssss 24 / 12 (Not met)
F0 ss CALL #ss 20
F2 ss ss CALLW #ssss 24
FB nn nn CALL [#nnnn] 20
FC nn CINT #nn 20
CE F0 ss CALLL #ss 24 / 12 (Not met)
CE F1 ss CALLLE #ss 24 / 12 (Not met)
CE F2 ss CALLG #ss 24 / 12 (Not met)
CE F3 ss CALLGE #ss 24 / 12 (Not met)
CE F4 ss CALLO #ss 24 / 12 (Not met)
CE F5 ss CALLNO #ss 24 / 12 (Not met)
CE F6 ss CALLNS #ss 24 / 12 (Not met)
CE F7 ss CALLS #ss 24 / 12 (Not met)
CE F8 ss CALLNX0 #ss 24 / 12 (Not met)
CE F9 ss CALLNX1 #ss 24 / 12 (Not met)
CE FA ss CALLNX2 #ss 24 / 12 (Not met)
CE FB ss CALLNX3 #ss 24 / 12 (Not met)
CE FC ss CALLX0 #ss 24 / 12 (Not met)
CE FD ss CALLX1 #ss 24 / 12 (Not met)
CE FE ss CALLX2 #ss 24 / 12 (Not met)
CE FF ss CALLX3 #ss 24 / 12 (Not met)
E4 ss JC #ss 8
E5 ss JNC #ss 8
E6 ss JZ #ss 8
E7 ss JNZ #ss 8
EC ss ss JCW #ssss 12
ED ss ss JNCW #ssss 12
EE ss ss JZW #ssss 12
EF ss ss JNZW #ssss 12
F1 ss JMP #ss 8
F3 ss ss JMPW #ssss 12
F4 JMP HL 8
F5 ss JDBNZ #ss 16
FD nn JINT #nn 8
CE E0 ss JL #ss 12
CE E1 ss JLE #ss 12
CE E2 ss JG #ss 12
CE E3 ss JGE #ss 12
CE E4 ss JO #ss 12
CE E5 ss JNO #ss 12
CE E6 ss JNS #ss 12
CE E7 ss JS #ss 12
CE E8 ss JNX0 #ss 12
CE E9 ss JNX1 #ss 12
CE EA ss JNX2 #ss 12
CE EB ss JNX3 #ss 12
CE EC ss JX0 #ss 12
CE ED ss JX1 #ss 12
CE EE ss JX2 #ss 12
CE EF ss JX3 #ss 12
F8 RET 8
F9 RETI 8
FA RETSKIP 8
CE AE HALT 8
CE AF STOP 8
7C nn 64 X Nothing!? *2

No flags affected

CE B3 MOV H, V 12 X Sets H to V
CE B7 12 X Sets high byte of X to V
CE BB 12 X Sets high byte of Y to V
CE 64 nn nn *ADC BA, #nnnn 16 X Seems to have the same behavior as "CF 60 nn nn"
CE 65 nn nn *ADC HL, #nnnn 16 X Seems to have the same behavior as "CF 61 nn nn"
CE 66 nn Weird 16bit adder. 24 X Some kind of very weird adder: increments B with nn, increments A with the value in L.

When B overflows, A is incremented by 1.
When A overflows, B is incremented by 1.
Set all flags

CE 67 nn ??? 24 X HL += (nn << 8) + L + Carry

Set all flags

CE 6C nn nn *ADD SP, #nnnn 16 X Seems to have the same behavior as "CF 68 nn nn"
CE 6D nn ??? 40 X HL = Y + ((#nn >> 4) * 3) + ((#nn AND 0x0F) >> 3)

Set all flags

CE 6E nn ??? 16 X SP += (nn << 8) + L *1

Set all flags

CE 6F ??? 40 X HL = Y + ((L >> 4) * 3) + ((L AND 0x0F) >> 3)

Set all flags

CE 70 nn ??? 64 X Nothing!? *2

No flags affected

CE 71 nn ??? 64 X Nothing!? *2

No flags affected

CE 72 ??? 64 X Nothing!? *2

No flags affected

CE 73 ??? 64 X Nothing!? *2

No flags affected

CE 74 ss *MOV A, [X+#ss] 64 X Seems to have the same behavior as "CE 40 ss" but running 4 times slower
CE 75 ss *MOV L, [Y+#ss] 64 X Seems to have the same behavior as "CE 51 ss" but running 4 times slower
CE 76 *MOV A, [X+L] 64 X Seems to have the same behavior as "CE 42" but running 4 times slower
CE 77 *MOV L, [Y+L] 64 X Seems to have the same behavior as "CE 53" but running 4 times slower
CE 7C nn ??? 20 X Nothing!? *2

No flags affected

CE 7D nn ??? 16 X Nothing!? *2

No flags affected

CE 7E ??? 20 X Nothing!? *2

No flags affected

CE 7F ??? 16 X Nothing!? *2

No flags affected

CE A9 ??? 8 X Nothing!? *2

No flags affected

CE AA ??? 12 X Nothing!? *2

No flags affected

CE AB ??? ??? X Crash the tester... must modify N, I, XI, YI or HALT
CE AC ??? ??? X Crash the tester... must modify N, I, XI, YI or HALT
CE AD ??? ??? X Crash the tester... must modify N, I, XI, YI or HALT
CE DA nn ??? 16 X Cause weird stuff to happen and/or crashes

Register A may increment or decrement by 1

CE DB nn ??? 16, 20? X Cause weird stuff to happen and/or crashes

Register A may increment or decrement by 1

CE DC ??? ??? X Crash the tester... must modify N, I, XI, YI or HALT
CE DD 16 X Does nothing

No flags affected

CE DE nn ??? 16, 20? X Cause weird stuff to happen and/or crashes

Register A may increment or decrement by 1

CE DF nn ??? 16, 20? X Cause weird stuff to happen and/or crashes

Register A may increment or decrement by 1

CF 10 *ADD BA, BA 16 X Seems to be a mirror of "CF 00".
CF 11 *ADD BA, HL 16 X Seems to be a mirror of "CF 01".
CF 12 *ADD BA, X 16 X Seems to be a mirror of "CF 02".
CF 13 *ADD BA, Y 16 X Seems to be a mirror of "CF 03".
CF 14 *ADC BA, BA 16 X Seems to be a mirror of "CF 04".
CF 15 *ADC BA, HL 16 X Seems to be a mirror of "CF 05".
CF 16 *ADC BA, X 16 X Seems to be a mirror of "CF 06".
CF 17 *ADC BA, Y 16 X Seems to be a mirror of "CF 07".
CF 1C *SBC BA, BA 16 X Seems to be a mirror of "CF 0C".
CF 1D *SBC BA, HL 16 X Seems to be a mirror of "CF 0D".
CF 1E *SBC BA, X 16 X Seems to be a mirror of "CF 0E".
CF 1F *SBC BA, Y 16 X Seems to be a mirror of "CF 0F".
CF 30 *ADD HL, BA 16 X Seems to be a mirror of "CF 20".
CF 31 *ADD HL, HL 16 X Seems to be a mirror of "CF 21".
CF 32 *ADD HL, X 16 X Seems to be a mirror of "CF 22".
CF 33 *ADD HL, Y 16 X Seems to be a mirror of "CF 23".
CF 34 *ADC HL, BA 16 X Seems to be a mirror of "CF 24".
CF 35 *ADC HL, HL 16 X Seems to be a mirror of "CF 25".
CF 36 *ADC HL, X 16 X Seems to be a mirror of "CF 26".
CF 37 *ADC HL, Y 16 X Seems to be a mirror of "CF 27".
CF 3C *SBC HL, BA 16 X Seems to be a mirror of "CF 2C".
CF 3D *SBC HL, HL 16 X Seems to be a mirror of "CF 2D".
CF 3E *SBC HL, X 16 X Seems to be a mirror of "CF 2E".
CF 3F *SBC HL, Y 16 X Seems to be a mirror of "CF 2F".
CF 46 ??? 16 X Could be "ADD PC, BA" but PC seems to gets corrupted in the progress.
CF 47 ??? 16 X Could be "ADD PC, HL" but PC seems to gets corrupted in the progress.
CF 4E ??? 16 X Could be "SUB PC, BA" but PC seems to gets corrupted in the progress.
CF 4F ??? 16 X Could be "SUB PC, HL" but PC seems to gets corrupted in the progress.
CF 50 *ADD X, BA 16 X Seems to be a mirror of "CF 40".
CF 51 *ADD X, HL 16 X Seems to be a mirror of "CF 41".
CF 52 *ADD Y, BA 16 X Seems to be a mirror of "CF 42".
CF 53 *ADD Y, HL 16 X Seems to be a mirror of "CF 43".
CF 54 *ADD SP, BA 16 X Seems to be a mirror of "CF 44".
CF 55 *ADD SP, HL 16 X Seems to be a mirror of "CF 45".
CF 56 ??? 16 X Seems to be a mirror of "CF 46".
CF 57 ??? 16 X Seems to be a mirror of "CF 47".
CF 58 *SUB X, BA 16 X Seems to be a mirror of "CF 48".
CF 59 *SUB X, HL 16 X Seems to be a mirror of "CF 49".
CF 5A *SUB Y, BA 16 X Seems to be a mirror of "CF 4A".
CF 5B *SUB Y, HL 16 X Seems to be a mirror of "CF 4B".
CF 5E ??? 16 X Seems to be a mirror of "CF 4E".
CF 5F ??? 16 X Seems to be a mirror of "CF 4F".
CF 64 ??? ??? X Unstable
CF 65 ??? ??? X Unstable
CF 66 ??? ??? X Unstable
CF 67 ??? ??? X Unstable
CF 69 ??? ??? X Unstable
CF 6B ??? ??? X Unstable
CF 6D ??? ??? X Unstable
CF 6F ??? ??? X Unstable
CF 79 nn nn ??? ** X Special complex instruction
CF 7A nn nn ??? ** X Special complex instruction
CF 7B nn nn ??? ** X Special complex instruction
CF 7D nn

...
CF AF nn nn

??? ** X Special complex instruction
CF BA nn nn ??? * X Special complex instruction
CF BB nn nn ??? * X Special complex instruction
CF BE nn nn ??? * X Special complex instruction
CF BF nn nn ??? * X Special complex instruction
CF C8

CF C9
...
CF CF

MOV B, V 12 X Sets B to V
CF F6 12 X Sets high byte of X to V
CF F7 12 X Sets high byte of Y to V
CF FB 12 X Absolutely nothing.*2
CF FC 12 X Absolutely nothing.*2
CF FD MOV A, 0x1F ?? *1 12 X Moves 0x1F into A, maybe it's related to Exceptions register?

Needs more thorough testing.

CF FF ??? 64 X Absolutely nothing.*2
FE ??? ??? X Cause crash?


Legend

nn = Unsigned byte
ss = Signed byte
*1 = Instruction wasn't fully tested.
*2 = Instruction was probed on a Pokemon Mini but returned no meaningful result (doesn't mean it can't still be hiding something, though).
*3 = Undocumented instruction

Special complex instruction

yy = 79, 7A, 7B, 7D to AF, BA, BB, BE or BF.

Arithmetic

Hex Cycles Notes
CF yy 00-03 16 Decrement BA
CF yy 04-07 16 Decrement BA if Carry=0
CF yy 08-0B 16 Increment BA
CF yy 0C-0F 16 Increment BA if Carry=0
CF yy 10-13 16 Decrement BA
CF yy 14-17 16 Decrement BA if Carry=0
CF yy 18-1B 16 Increment BA (Doesn't save result!! -- Some type of special CMP?)
CF yy 1C-1F 16 Increment BA if Carry=0
CF yy 20-23 16 Decrement HL
CF yy 24-27 16 Decrement HL if Carry=0
CF yy 28-2B 16 Increment HL
CF yy 2C-2F 16 Increment HL if Carry=0
CF yy 30-33 16 Decrement HL
CF yy 34-37 16 Decrement HL if Carry=0
CF yy 38-3B 16 Increment HL (Doesn't save result!! -- Some type of special CMP?)
CF yy 3C-3F 16 Increment HL if Carry=0
CF yy 40-41 16 Decrement X
CF yy 42-43 16 Decrement Y
CF yy 44-45 16 Decrement SP
CF yy 46-47 16 Decrement PC *1
CF yy 48-49 16 Increment X
CF yy 4A-4B 16 Increment Y
CF yy 4C-4D 16 Increment SP
CF yy 4E-4F 16 Increment PC *1
CF yy 50-51 16 Decrement X
CF yy 52-53 16 Decrement Y
CF yy 54-55 16 Decrement SP
CF yy 56-57 16 Decrement PC *1
CF yy 58-59 16 Increment X
CF yy 4A-5B 16 Increment Y
CF yy 5C-5D 16 Increment SP
CF yy 5E-5F 16 Increment PC *1
CF yy 60-6F 16 Crash *2

*1 = Cause crash.

*2 = Probably handle N, I, XI and/or YI ?

All flags set as an INC/DEC instruction

Weird ones

Hex Cycles Notes
CF yy 70 24 BA = (0x4D << 8) + V
CF yy 71 24 HL = (0x4D << 8) + V
CF yy 72 24 X = (0x4D << 8) + V
CF yy 73 24 Y = (0x4D << 8) + V
CF yy 74-77 24 Nothing!?
CF yy 78-AF ?? Crash
CF yy B0-B3 12 Nothing!?
CF yy B4-BF ?? Crash/Freeze
CF yy C0 20 BA = (0x20 << 8) + V
CF yy C1 20 HL = (0x20 << 8) + V
CF yy C2 20 X = (0x20 << 8) + V
CF yy C3 20 Y = (0x20 << 8) + V
CF yy C4-C7 20 Nothing!?
CF yy C8-CF ?? Crash
CF yy D0 20 BA = (0x20 << 8) + V
CF yy D1 20 HL = (0x20 << 8) + V
CF yy D2 20 X = (0x20 << 8) + V
CF yy D3 20 Y = (0x00 << 8) + V (EH!?)
CF yy D4-D7 20 Nothing!?
CF yy D8 20 BA = (0x20 << 8) + V
CF yy D9 20 HL = (0x20 << 8) + V
CF yy DA 20 X = (0x20 << 8) + V
CF yy DB 20 Y = (0x20 << 8) + V
CF yy DC-DF 20 Nothing!?
CF yy E0-FF ?? Crash

No flags set