( xclock.tal ) ( ) ( runs xclock. when the ROM exits xclock should exit too. ) @Console |10 &vector $2 ( called when input is ready ) |12 &read $1 ( read an input byte, e.g. from stdin ) ( 13 - 14 padding ) |15 &live $1 ( subprocess: 01 alive, ff dead, 00 not running ) |15 &exit $1 ( subprocess: exit code if dead ) |17 &type $1 ( input type: 01 stdin, 02 arg, 03 end of arg, 04 end of args ) |18 &write $1 ( byte to write to stdout ) |19 &error $1 ( byte to write to stderr ) ( 1a - 1b padding ) |1c &addr $2 ( subprocess: addr of string to run with /bin/sh -c ) |1e &mode $1 ( mode bits: 01 write stdin, 02 read stdout, 04 read stderr, 08 kill only ) |1f &exec $1 ( subprocess: run command ) |0100 ;cmd .Console/addr DEO2 #00 .Console/mode DEO #01 .Console/exec DEO BRK @cmd "xclock 00