Difference between revisions of "Hardware/DMCU"
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(Created page with "The DMCU is a M68HC11 based microcontroller which manages the Display Controller while in vWii mode. == Firmware == The DMCU firmware is loaded by nn_cmpt.rpl. The firmwa...") |
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| − | The DMCU is a M68HC11 | + | The DMCU is a M68HC11 compatible microcontroller which manages the Display Controller while in vWii mode. |
== Firmware == | == Firmware == | ||
The DMCU firmware is loaded by [[nn_cmpt.rpl]]. The firmware is stored in [[OSv0]]/[[OSv1]] as hex encoded data. | The DMCU firmware is loaded by [[nn_cmpt.rpl]]. The firmware is stored in [[OSv0]]/[[OSv1]] as hex encoded data. | ||
| + | |||
| + | == Memory Map == | ||
| + | {| class="wikitable" | ||
| + | |- | ||
| + | ! Address range | ||
| + | ! Size | ||
| + | ! Description | ||
| + | |- | ||
| + | | 0x0000-0x000f | ||
| + | | 0x10 | ||
| + | | RAM | ||
| + | |- | ||
| + | | 0x0100-0x5fff | ||
| + | | 0x5F00 | ||
| + | | External RAM (Contains data, text, rodata, and stack) | ||
| + | |- | ||
| + | | 0x8000-0x803F | ||
| + | | 0x40 | ||
| + | | M68HC11 control registers | ||
| + | |- | ||
| + | | 0x9400-0x940F | ||
| + | | 0x10 | ||
| + | | DC interface registers | ||
| + | |- | ||
| + | | 0xFFC0-0xFFFF | ||
| + | | 0x40 | ||
| + | | Vectors | ||
| + | |} | ||
Revision as of 20:13, 7 March 2023
The DMCU is a M68HC11 compatible microcontroller which manages the Display Controller while in vWii mode.
Firmware
The DMCU firmware is loaded by nn_cmpt.rpl. The firmware is stored in OSv0/OSv1 as hex encoded data.
Memory Map
| Address range | Size | Description |
|---|---|---|
| 0x0000-0x000f | 0x10 | RAM |
| 0x0100-0x5fff | 0x5F00 | External RAM (Contains data, text, rodata, and stack) |
| 0x8000-0x803F | 0x40 | M68HC11 control registers |
| 0x9400-0x940F | 0x10 | DC interface registers |
| 0xFFC0-0xFFFF | 0x40 | Vectors |