10.01_base/2_src/arm/buslatches.cpp
// enable=1: activate QBUS/UNIBUS drivers
// activate AFTER RPU code started and reset bus latches values
enable=1: activate QBUS/UNIBUS drivers
activate AFTER RPU code started and reset bus latches values
enable = 1 : activate QBUS / UNIBUS drivers activate AFTER RPU code started and reset bus latches values
void buslatches_c::output_enable(bool enable) {
	enable = !!enable;
	GPIO_SETVAL(gpios->bus_enable, enable);
	if (gpios->qunibus_led) 
		GPIO_SETVAL(gpios->qunibus_led, !enable);
	cur_output_enable = enable;
}
void buslatches_c :: output_enable ( bool enable ) { enable = ! ! enable ; GPIO_SETVAL ( gpios -> bus_enable , enable ) ; if ( gpios -> qunibus_led ) GPIO_SETVAL ( gpios -> qunibus_led , ! enable ) ; cur_output_enable = enable ; }
enable=1: activate QBUS/UNIBUS drivers
activate AFTER RPU code started and reset bus latches values
enable = 1 : activate QBUS / UNIBUS drivers activate AFTER RPU code started and reset bus latches values
// tie LED to driver enable via software