NOS1 (Encyclopedia)DKS4 (Encyclopedia) Name: CTRL [Show more] Type: Subroutine Category: Keyboard Summary: Scan the keyboard to see if CTRL is currently pressed Context: See this subroutine in context in the source code References: This subroutine is called as follows: * TT102 calls CTRL Returns: X X = %10000001 (i.e. 129 or -127) if CTRL is being pressed X = 1 if CTRL is not being pressed A Contains the same as X .CTRL LDX #1 \ Set X to the internal key number for CTRL and fall \ through to DKS4 to scan the keyboard NOS1 (Encyclopedia)DKS4 (Encyclopedia)