83Plus:BCALLs:8021
From WikiTI
Synopsis
Unofficial Name: WriteAByteSafe
BCALL Address: 80C6
Writes a byte to FlashROM, but will refuse to write to page 1Eh/3Eh/7Eh.
Inputs
- A = Flash page to write
- DE = address to write
- B = byte to write
Outputs
- NZ if the byte could not be written
Destroys
- AF, DE, BC, HL
- OP1
Comments
Flash must be write enabled first.
Note that you cannot use this to write a 1 bit over a 0, nor can you write to the certificate page (1Eh/3Eh/7Eh).
