I/O Commands

Command	Description
In	Reads one byte (eight bits) of input data.
InW	Reads one word (sixteen bits) of input data.
MemIn	Reads one byte (eight bits) of Memory I/O.
MemInW	Reads one word (sixteen bits) of Memory I/O.
MemOff	Turns off one Memory I/O bit.
MemOn	Turns on one Memory I/O bit.
MemSw	Read status of one bit of memory I/O.
Off	Turns off one output bit.
On	Turns on one output bit.
Out	Sets/reads one byte (eight bits) of output data.
OutW	Sets/reads one word (sixteen bits) of output data.
Oport	Reads the status of one output bit.
InBCD	Reads input data in BCD (binary coded decimal) format.
OpBCD	Outputs one byte of output data in BCD format.
Sw	Read status of hardware inputs or one input bit.