83Plus:BCALLs:4EDF

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Synopsis

Unofficial Name: SendDataByte

BCALL Address: 4EDF

Sends a byte over the linkport and adds its value to the checksum at (header+4).

Inputs

  • C: byte to send
  • (header+4): old checksum value
  • iy+1Bh set up accordingly

Outputs

Destroys

  • All

Comments

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

Set (header+4) to zero before the first call to this.