Config Mapping Register
From SpecNext official Wiki
| Number | $04 |
|---|---|
| Readable | No |
| Writable | Yes |
| Short Description | In config mode, allows RAM to be mapped to ROM area. |
Write (config mode only, bootrom disabled):
bit 7 = Reserved, must be 0 bits 6:0 = 16K SRAM bank mapped to 0x0000-0x3FFF (hard reset = 0) ** Even multiplies of 256K are unreliable if storing data in sram for the next core started.