(DC)Memory Map

yzb

1. 0x00000000 - 0x001fffff:        ROM
   
2. 0x00200000 - 0x0021ffff:        flash ROM
   
3. 0x00220000 - 0x003fffff:        not used (mirror of flash ROM)
   
4. 0x00400000 - 0x007fffff:        hardware registers
   
5. 0x00800000 - 0x009fffff:        sound RAM
   
6. 0x00a00000 - 0x00ffffff:        not used (mirror of sound RAM)
   
7. 0x01000000 - 0x01ffffff:        system devices (?)
   
8. 0x02000000 - 0x027fffff:        not used (mirror of ROM)
   
9. 0x02800000 - 0x02ffffff:        not used (mirror of sound RAM)
   
10. 0x03000000 - 0x03ffffff:        system devices (?)
    
11. 0x04000000 - 0x04ffffff:        ???
    
12. 0x05000000 - 0x057fffff:        video RAM
    
13. 0x05800000 - 0x05bfffff:        ??? (prolly not this large)
    
14. 0x05c00000 - 0x05ffffff:        ??? (filled with 0xff) (not 100% on location)
    
15. 0x06000000 - 0x063fffff:        ??? (stuff at beginning then 0x00)
    
16. 0x06400000 - 0x066fffff:        ??? (pseudo-chaotic stuff)
    
17. 
    
18. 0x0c000000 - 0x0cffffff:        RAM
    
19. 
    
20. 0x10000000 - 0x10??????:        tile accelerator
    
21. 0x10800000 - 0x10ffffff:        mirror of video RAM (write only)
    
22. 
    
23. 0x14000000 - 0x17ffffff:        G2 devices (?)

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1. Memory Layout:
   
2. 
   
3. 0x8c000000     16 Mbytes RAM
   
4. 0x8d000000
   
5. 
   
6. 0xa0000000     2 Mbyte Boot ROM
   
7. 0xa0200000     256 kByte Flash ROM
   
8. 0xa0400000
   
9. 
   
10. 0xa05f8000     Hardware Register (Video)
    
11. 
    
12. 0xa0700000     SPU Register
    
13. 0xa0800000     2 Mbyte Sound RAM
    
14. 0xa0a00000
    
15. 
    
16. 0xa1000000     Parallel Port
    
17. 0xa2000000     CD-ROM Port
    
18. 
    
19. 0xa5000000     8 Mbytes Video RAM
    
20. 0xa5800000
    
21. 
    
22. (c) by bITmASTER

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