READ WORD - read a word from the given address (v40 sad) Command: $AF $05 Data: $ww $xx $yy $zz read a word from address <$wwxxyyzz> returns <$qqrr> as result Command will be ACK'ed when received. Command ACK: $00 $05 Command DONE: $1F $05 $qq $rr BUGS This command does not return correct values in pre-V40 EXEC.