00-3F 0000-2FFF Nothing 
00-3F 3000-34FF GSU-2 Registers 
00-3F 3500-5FFF Nothing 
00-3F 6000-7FFF SRAM 
00-3F 8000-FFFF ROM 

40-5F 0000-FFFF ROM 

60-6F 0000-FFFF Nothing 

70-71 0000-FFFF SRAM 

72-7D 0000-FFFF Nothing 

80-BF 0000-2FFF Nothing 
80-BF 3000-34FF GSU-2 Registers 
80-BF 3500-5FFF Nothing 
80-BF 6000-7FFF SRAM 
80-BF 8000-FFFF Nothing 

C0-FF 0000-FFFF Nothing