Known types:
- Hynix HY27UF081G2M - Samsung K9G8G08U0M
TODO: Figure out card timings. (Are all of them stored in RAM?)
- aabb - 000 ~ 7FE, in increments of 2
- aabb - 000 ~ 7FF
Returns 4 bytes - repeated byte containing:
- bits 0-6: ? - bit 7: READY/BUSY OUTPUT pin?
Returns 4 bytes - repeated byte containing bits 0-7 on the I/O pins. Used for reading the status rgister.
TODO
- aabbccdd: Address (MSB to LSB)
Returns 512 bytes.
Expects 512 bytes.
- pp: First byte of page (second byte onwards follow)