Bits | Use |
---|---|
0-2 | Configured ADFS drive |
3-5 | Shift/caps mode: |
1 = Shift caps | |
2 = No caps | |
4 = Caps | |
6 | Directory mount mode (0 = Dir, 1 = NoDir); no effect after RISC OS 2 |
7 | NumLock mode (0 = on, 1 = off) |
CMOS usage is subject to change between OS versions. To ensure compatibility, software should use higher-level APIs rather than going straight to CMOS.