   BIOS' SCPH-3000 (CRC32: 3539DEF6)
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1)   

RAM

800307a4 12 80 04 3c lui    a0,0x8012
800307a8 06 80 05 3c lui    a1,0x8006
800307ac 5c 93 a5 24 addiu  a1,a1,-0x6ca4     ;   BIOS
800307b0 b0 63 01 0c jal    80058ec0
800307b4 a8 df 84 24 addiu  a0,a0,-0x2058     ;   
800307b8 05 00 40 14 bne    v0,zero,800307d0  ;  ;   "bne zero,zero,800307d0" ; opcode 05 00 00 14
800307bc 00 00 00 00 nop

BIOS patch
Offset: 0x187BA 0x40 -> 0x00
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2)   

RAM

8003d61c 00 00 22 82 lb     v0,0x0(s1)        ;   BIOS
8003d620 00 00 03 82 lb     v1,0x0(s0)        ;  c 
8003d624 01 00 31 26 addiu  s1,s1,0x1
8003d628 06 00 62 10 beq    v1,v0,8003d644    ;  ;   "beq zero,zero,8003d644" ; opcode 06 00 00 10
8003d62c 01 00 10 26 addiu  s0,s0,0x1

BIOS patch
Offset: 0x2562A 0x62 -> 0x00
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!!!  !!!

BIOS    
	Sony Computer Entertainment Euro
	Sony Computer Entertainment Amer

    (JAP') 
	Sony Computer Entertainment Inc.

  , ..      
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brill 2019 (:
