2.3.4.12 Wait-Present-Response (#P)

The Wait-Present-Response command is a compound command that presents a string but continuously checks for a response, before and after the string is displayed.

Name:

Wait-Present-Response

Class:

Display Text

Code:

#P

Syntax:

#P[time,string]

System:

Waits time milliseconds before displaying string. Checks for response at all times, before and after display.

Requires:

Cogsys must be in a text mode.

Output:

Writes the key pressed and reaction time to output.

Breakout:

YES

Test Files:

`WTPR_T01.IN'

tests basic operation

Examples:

input

#P[50,hello]

subject

Presses z after 20 milliseconds.

cogsys

Displays nothing, writes key and time to output.

output

z20

input

#P[50,hello]

subject

Presses z after 2000 milliseconds.

cogsys

Displays `hello' after 50 milliseconds.

output

z2000