changing state of all outputs at once

realolman

is there a way on the BS2 to change the state of all, or perhaps a group of output pins at once?

For example, the number 255 could be used to set a group of 8 pins all high with one command.

Steve Joblin

the "DIRS=" directive will do just that!

Mike Green

The DIRS= will set a group of pins as inputs or outputs while the OUTS= will set the state of a group of output pins (actually will set the output register). Similarly, INS provides the state of a group of input pins. Look at the memory section of the PBasic Manual for details. There are names defined for various subgroups (8 bit bytes, 4 bit nibbles) as well.

realolman

Thank you very much.