83Plus:BCALLs:4F36

Synopsis

Unofficial Name: SendOSPage

BCALL Address: 4F36

Sends one page of the OS to another calculator through the I/O port by sending 256 bytes at a time with header and data packets.

Inputs

• A: page to send (00-08h or 74h-7Dh only, it will handle the 83+ and 84+ pages)
• iy+1Bh set up accordingly

Outputs

• None

Destroys

• All but HL and A
• appData

Comments

This BCALL will throw ERR:LINK if any problems are found.

It will receive acknowledge and continue packets where appropriate.

It will also send 0FFh at 0056h when sending page 0, but passing A=80h will very easily get around this.