0x01 - Prompt

Receive a line of textual user input from a debugging console.

The text appended to the buffer won't contain the newline character.

Readiness

Becomes ready once a line of text has been entered. With either

1. Buffer is not big enough, with capacity modified to what is required
2. Buffer is big enough, command text overwritten

Command: Prompt

Read textual user input from some source.

Fields

• capacity: ptr[int] - (In/Out) Pointer to capacity of command.
• command: ptr[Text] - (In/Out) Pointer to user-sent line of input.

Traps

0. If input capacity is less than command.size
1. If address at (input) command.addr + capacity has no page
2. If address at capacity + 3 has no page