Bitfields for AMD-645 ROM Decode Control register |
| Bit | Description |
|---|---|
|
7 |
enable 64K ROM at FFFE00000h-FFFEFFFFh |
|
6 |
enable 384K ROM at FFF80000h-FFFDFFFFh |
|
5 |
enable 32K ROM at E8000h-EFFFFh |
|
4 |
enable 32K ROM at E0000h-E7FFFh |
|
3 |
enable 32K ROM at D8000h-D8FFFh |
|
2 |
enable 32K ROM at D0000h-D7FFFh |
|
1 |
enable 32K ROM at C8000h-CFFFFh |
|
0 |
enable 32K ROM at C0000h-C7FFFh |
|
See Also: |