| 10000 to 10FFE | Write ACTEL FPGA registers (8 bits); even addresses only. Use AD[0..7]. |
| 11000 to 11FFF | Write I/O registers (16 bits); even addresses only. |
| FEA decoder uses AD[6..9]; FEA uses AD[1..5], even addresses only | |
| 12000 to 1203E | Write FEA #0 registers |
| 12040 to 1207E | Write FEA #1 registers |
| 12080 to 120BE | Write FEA #2 registers |
| 120C0 to 120FE | Write FEA #3 registers |
| 12100 to 1213E | Write FEA #4 registers |
| 12140 to 1217E | Write FEA #5 registers |
| 12180 to 121BE | Write FEA #6 registers |
| 121C0 to 121FE | Write FEA #7 registers |
| 12200 to 1223E | Write FEA #8 registers |
| 12240 to 1227E | Write FEA #9 registers |
| 12280 to 122BE | Write FEA #10 registers |
| 122C0 to 122FE | Write FEA #11 registers |
| 12300 to 1233E | Write FEA #12 registers |
| 12340 to 1237E | Write FEA #13 registers |
| 12380 to 123BE | Write FEA #14 registers |
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