learning assembly gas/GNU assembler

Linux Assembly HOWTO
http://www.linuxselfhelp.com/HOWTO/Assembly-HOWTO/gas.html

The GNU Assembler
http://tigcc.ticalc.org/doc/gnuasm.html

http://microcross.com/GNU-ARM-Assy-Quick-Ref.pdf
GCC-Inline-Assembly-HOWTO
http://www.ibiblio.org/gferg/ldp/GCC-Inline-Assembly-HOWTO.html



arm assembly, arm v7 32bit

mov r7, #('P'<<24)

#ascii P constent


32bit constent

movw r3, #0x2c02
movt r3, #0xff00