====== EZ Flash V programming ======

===== Commands =====

==== SRAM: Read byte (B7 01 aa aa aa 00 00 00) ====

Returns four bytes; the first byte is the read byte.

==== TF: Send command (B8 FA 00 cc pp pp pp pp) ====

==== TF: Read response (B8 FA nn 00 00 00 00 00) ====

''nn'' - page to read (1-5).

==== TF: Read 512 bytes (B8 F7 00 00 00 00 00 00) ====

==== TF: Start data write (B8 F6 FF FF FF F0 00 00) ====

==== TF: Write data (B8 F6 Fa Fb Fc Fd 00 00) ====

''ab cd'' - bytes to write (sent as nibbles)

==== TF: Read command byte? (B8 F8 00 00 00 00 00 00) ====

==== ?? (B8 F4 ?? ?? ?? ?? ?? ??) ====

==== ?? (B9 FF 55 AA 00 00 00 00) ====

===== SRAM =====

- ''0x7DFE0'' - 1 if high-capacity TF card, 0 otherwise