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BitWrPortE

void BitWrPortE( unsigned int port, char * portshadow, int value, int bitcode );

Description

Updates shadow register at bitcode with value (0 or 1) and copies shadow to register.

WARNING! A shadow register is required for this function.

Parameters

port

Address of external parallel port data register.

portshadow

Reference pointer to a variable to shadow the current value of the register.

value

Value of 0 or 1 to be written to the bit position.

bitcode

Bit position 0-7.

Library

SYSIO.LIB

See also

RdPortI, BitRdPortI, WrPortI, BitWrPortI, BitRdPortE, RdPortE, WrPortE