Sun Aug 3 10:32:03 EDT 2014

ARM stuff

So basic interpreter is running in QEMU on pts serial port.  Next this
needs a way to do programming.

[master] tom@zoo:~/staapl/app$ ./arm.dict /dev/pts/8
chkblk not implemented
Press ctrl-D to quit.
: foo 1 2 3 add 
.ERROR: texec/sym: fprog

Ignorign that fprog for now makes upload work after setting proper
code pointer.  Disassembly also works after adding defs in the
arm/arm.rkt module