26D10 = hbd1ps1d.w72 (target file name)
C9940 = hbd1ps1d.w71 (current file name - loaded from hbd1ps1d itself)

80079230 : 3C028002  LUI     00000001 (v0), 8002 (32770),
80079234 : 24446D10  ADDIU   800f2c70 (a0), 80020000 (v0), 6d10 (27920),
80079238 : 3C03800D  LUI     00000007 (v1), 800d (32781),
8007923c : 90426D10  LBU     80020000 (v0), 6d10 (80020000 (v0)) [80026d10]
80079240 : 00000000  NOP    
80079244 : 10400016  BEQ     00000068 (v0), 00000000 (r0), 800792a0,
80079248 : 24679940  ADDIU   00000000 (a3), 800d0000 (v1), 9940 (39232),
8007924c : 3C06800F  LUI     00000002 (a2), 800f (32783),

; =============================
; =============================
; =============================

80079250 : 00E51021  ADDU    00000068 (v0), 800c9940 (a3), 00000000 (a1),

; check if filenames match (w71 / w72)

80079254 : 90830000  LBU     800d0000 (v1), 0000 (80026d10 (a0)) [80026d10]
80079258 : 90420000  LBU     800c9940 (v0), 0000 (800c9940 (v0)) [800c9940]
8007925c : 00000000  NOP    
80079260 : 1062000A  BEQ     00000068 (v1), 00000068 (v0), 8007928c,
80079264 : 00000000  NOP    

; mismatch

80079268 : 90820001  LBU     00000031 (v0), 0001 (80026d1b (a0)) [80026d1c]
8007926c : 00000000  NOP    
80079270 : 1040FFEB  BEQ     00000000 (v0), 00000000 (r0), 80079220,
80079274 : 24050003  ADDIU   0000000b (a1), 00000000 (r0), 0003 (3),
(..)

; bump ptr, check for EOS

8007928c : 24840001  ADDIU   80026d10 (a0), 80026d10 (a0), 0001 (1),
80079290 : 90820000  LBU     00000068 (v0), 0000 (80026d11 (a0)) [80026d11]
80079294 : 00000000  NOP    
80079298 : 1440FFED  BNE     00000062 (v0), 00000000 (r0), 80079250,
8007929c : 24A50001  ADDIU   00000000 (a1), 00000000 (a1), 0001 (1),

; pass = good file

800792a0 : 00002821  ADDU    0000000c (a1), 00000000 (r0), 00000000 (r0),
800792a4 : 3C02800F  LUI     00000000 (v0), 800f (32783),
800792a8 : 8C43F150  LW      00000032 (v1), f150 (800f0000 (v0)) [800ef150]
800792ac : 3C040100  LUI     80026d1c (a0), 0100 (256),

; =============================
; =============================
; =============================

; EXIT

800792b0 : 00641825  OR      08400000 (v1), 08400000 (v1), 00040000 (a0),
800792b4 : AC43F150  SW      08440000 (v1), f150 (800f0000 (v0)) [800ef150]
800792b8 : 00A01021  ADDU    800f0000 (v0), 00000003 (a1), 00000000 (r0),
800792bc : 8FBF0040  LW      80079174 (ra), 0040 (800d8c28 (sp)) [800d8c68]
800792c0 : 8FB7003C  LW      00000002 (s7), 003c (800d8c28 (sp)) [800d8c64]
800792c4 : 8FB60038  LW      00000000 (s6), 0038 (800d8c28 (sp)) [800d8c60]
800792c8 : 8FB50034  LW      04000000 (s5), 0034 (800d8c28 (sp)) [800d8c5c]
800792cc : 8FB40030  LW      00000001 (s4), 0030 (800d8c28 (sp)) [800d8c58]
800792d0 : 8FB3002C  LW      800d0000 (s3), 002c (800d8c28 (sp)) [800d8c54]
800792d4 : 8FB20028  LW      800f0000 (s2), 0028 (800d8c28 (sp)) [800d8c50]
800792d8 : 8FB10024  LW      00000002 (s1), 0024 (800d8c28 (sp)) [800d8c4c]
800792dc : 8FB00020  LW      00400000 (s0), 0020 (800d8c28 (sp)) [800d8c48]
800792e0 : 03E00008  JR      80079660 (ra),
800792e4 : 27BD0048  ADDIU   800d8c28 (sp), 800d8c28 (sp), 0048 (72),
