83Plus:Ports:83

Synopsis

Port Number: 83h

Function: USB Write-Pipe Events

This port reports when a USB transaction on a "write" pipe has finished. This port hypothetically holds the values for ports A8h-AFh.

This port only exists on the the TI-84 Plus and the TI-84 Plus Silver Edition. On the standard TI-83 Plus, it acts as a shadow of port 03. On the TI-83 Plus Silver Edition, this port has no effect.

Read Values

Reading from this port also clears it. Remember the value you read, because you can't go back and read it again.

• Bit 0: Hypothetically, set if a write transaction has finished on pipe 8.
• Bit 1: Hypothetically, set if a write transaction has finished on pipe 9.
• Bit 2: Hypothetically, set if a write transaction has finished on pipe A.
• Bit 3: Hypothetically, set if a write transaction has finished on pipe B.
• Bit 4: Hypothetically, set if a write transaction has finished on pipe C.
• Bit 5: Hypothetically, set if a write transaction has finished on pipe D.
• Bit 6: Hypothetically, set if a write transaction has finished on pipe E.
• Bit 7: Hypothetically, set if a write transaction has finished on pipe F.

Write Values

• No effect

Comments

See port 82. I'm not sure anything on this page has actually been tested, but it should be true.