83Plus:BCALLs:802A

Synopsis

Official Name: ZeroToCertificate

BCALL Address: 802A

Writes a zero to the certificate page.

Inputs

• HL = address to write a zero

Outputs

• NZ if the byte could not be written

Destroys

• AF, DE, BC, HL
• OP1

Comments

Flash must be write enabled first.