800770cc : 00021040  SLL     00000000 (v0), 00000000 (v0), 01 (1),
800770d0 : 3C01801F  LUI     801f0000 (at), 801f (32799),
800770d4 : 00220821  ADDU    801f0000 (at), 801f0000 (at), 00000000 (v0),
800770d8 : A4291694  SH      00001000 (t1), 1694 (801f0000 (at)) [801f1694]
800770dc : 84C30004  LH      00000000 (v1), 0004 (801f1e9e (a2)) [801f1ea2]
800770e0 : 00000000  NOP    
800770e4 : 28620010  SLTI    00000000 (v0), 00000000 (v1), 0010 (16),
800770e8 : 10400004  BEQ     00000001 (v0), 00000000 (r0), 800770fc,
800770ec : 24020001  ADDIU   00000001 (v0), 00000000 (r0), 0001 (1),

; GOOD..?

800770f0 : 00623004  SLLV    801f1e9e (a2), 00000001 (v0), 00000000 (v1),
800770f4 : 0801DC42  J       80077108,
800770f8 : 00002821  ADDU    00000000 (a1), 00000000 (r0), 00000000 (r0),

; BAD..? - memcard

800770fc : 00003021  ADDU    801f1e9e (a2), 00000000 (r0), 00000000 (r0),
80077100 : 2463FFF0  ADDIU   00000010 (v1), 00000010 (v1), fff0 (65520),
80077104 : 00622804  SLLV    00000000 (a1), 00000001 (v0), 00000000 (v1),






80049200 : 9425516A  LHU     00000000 (a1), 516a (8008012c (at)) [80085296]
80049204 : 0C011096  JAL     80044258, 800491cc (ra),
80049208 : 00000000  NOP    
-->
-->
v0 = current CD # = $7e40c
a1 = target CD #

80044258 : 3C028008  LUI     0000012c (v0), 8008 (32776),
8004425c : 8442E40C  LH      80080000 (v0), e40c (80080000 (v0)) [8007e40c]
80044260 : 27BDFFB8  ADDIU   801ffe58 (sp), 801ffe58 (sp), ffb8 (65464),
80044264 : AFB20030  SW      80085df4 (s2), 0030 (801ffe10 (sp)) [801ffe40]
80044268 : 00809021  ADDU    80085df4 (s2), 801f241c (a0), 00000000 (r0),
8004426c : AFB5003C  SW      8007e4e4 (s5), 003c (801ffe10 (sp)) [801ffe4c]
80044270 : 00A0A821  ADDU    8007e4e4 (s5), 00000002 (a1), 00000000 (r0),
80044274 : AFB00028  SW      00000000 (s0), 0028 (801ffe10 (sp)) [801ffe38]
80044278 : 32B0FFFF  ANDI    00000000 (s0), 00000002 (s5), ffff (65535),
8004427c : AFBF0040  SW      8004920c (ra), 0040 (801ffe10 (sp)) [801ffe50]
80044280 : AFB40038  SW      00000000 (s4), 0038 (801ffe10 (sp)) [801ffe48]
80044284 : AFB30034  SW      8007e4e4 (s3), 0034 (801ffe10 (sp)) [801ffe44]
80044288 : 12020051  BEQ     00000002 (s0), 00000002 (v0), 800443d0,
8004428c : AFB1002C  SW      800840a0 (s1), 002c (801ffe10 (sp)) [801ffe3c]

; BAD

80044290 : 1200004F  BEQ     00000002 (s0), 00000000 (r0), 800443d0,
80044294 : 34040001  ORI     801f241c (a0), 00000000 (r0), 0001 (1),
80044298 : 00002821  ADDU    00000002 (a1), 00000000 (r0), 00000000 (r0),
8004429c : 0C0196CF  JAL     80065b3c, 8004920c (ra),
800442a0 : 00003021  ADDU    801e93dc (a2), 00000000 (r0), 00000000 (r0),
800442a4 : 02009821  ADDU    8007e4e4 (s3), 00000002 (s0), 00000000 (r0),
800442a8 : 3C038008  LUI     00000002 (v1), 8008 (32776),
800442ac : 24635548  ADDIU   80080000 (v1), 80080000 (v1), 5548 (21832),

; GOOD

800443d0 : 8FBF0040  LW      8004920c (ra), 0040 (801ffe10 (sp)) [801ffe50]
800443d4 : 8FB5003C  LW      00000002 (s5), 003c (801ffe10 (sp)) [801ffe4c]
800443d8 : 8FB40038  LW      00000000 (s4), 0038 (801ffe10 (sp)) [801ffe48]
800443dc : 8FB30034  LW      8007e4e4 (s3), 0034 (801ffe10 (sp)) [801ffe44]
800443e0 : 8FB20030  LW      801f241c (s2), 0030 (801ffe10 (sp)) [801ffe40]
800443e4 : 8FB1002C  LW      800840a0 (s1), 002c (801ffe10 (sp)) [801ffe3c]
800443e8 : 8FB00028  LW      00000002 (s0), 0028 (801ffe10 (sp)) [801ffe38]
800443ec : 27BD0048  ADDIU   801ffe10 (sp), 801ffe10 (sp), 0048 (72),
800443f0 : 03E00008  JR      8004920c (ra),
800443f4 : 00000000  NOP    
