CodeWarrior ASM Tutorial

8/13/2019 CodeWarrior ASM Tutorial

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CodeWarrior for HCS12 Assembly ProgrammingUpdated 08-17-10 by: M. Mazidi with contribution from Danny Causey and ra!is Chand"er

1# $tart Code%arrior for &C$1' and c"ic( Crate )ew *ro+ect shown be"ow.

,,f Code%arrior is a"ready runnin you may se"ect new pro+ect from the fi"e menu or c"ic( the icon onthe too" bar.


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'# $e"ect the MCU to proram and your connections. /ou can chane your connection at any time aftercreatin a pro+ect for now we choose fu"" chip simu"ation. C"ic( )et.

2# $et the "ocation where the pro+ect is to be sa!ed and name the pro+ect as shown be"ow. Choose the"anuae3s# you wi"" be usin. Unse"ect the 45e"ocatab"e assemb"y6 then se"ect 4bso"ute assemb"y6. C"ic()et.


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# Choose any fi"es your pro+ect wi"" use for this eamp"e we do not need any additiona" fi"es. C"ic( )et.,,/ou can a"so add fi"es to your pro+ect after it has been created.

9# Choose )one; for 5apid pp"ication De!e"opment. C"ic(


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=# >pand the $ources fo"der created by Code%arrior and doub"e c"ic( main.asm as shown be"ow.

7# 5ep"ace the temp"ate code pro!ided by Code%arrior with an eamp"e from the boo( as shown be"ow oryour own code. )ote that the minima" re?uirements for an ssemb"y proram are the fo""owin:

a# the @$>)5/ >ntry dec"aration at the top.

b# the inc"ude fi"e that defines the reisters of the MCUc# the A5B dec"aration abo!e the >ntry "abe" andd# the A5B


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If this is confusing, you can delete everything in the main.asm program in the CodeWarrior. Then go to

the www.MicroDigitalEd.comweb site and under C!"# boo$ clic$ on %Dragon"# !ample &rograms

and !upport'. (ou will see sample programs in both )ssembly and C for Dragon"# plus Trainer board.

In the )ssembly program section Clic$ on %Toggling *EDs on &+T-'. Copy the program and paste it

into the main.asm program.

8#


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"/ Compiling, Downloading and E0ecuting a proram for Draon1' *"us rainer board 3or any trainerboard#. )ow c"ose the rue-ime $imu"ation window. De"ete e!erythin in the main.asm proram in theCode%arrior. Bo to the www.MicroDiita">d.comweb site and under &C$1' boo( c"ic( on 4Draon1'$amp"e *rorams and $upport6. /ou wi"" see samp"e prorams in both ssemb"y and C for Draon1' p"usrainer board. n the ssemb"y proram section C"ic( on 4o"in F>Ds on *A5@6. Copy the proram andpaste it into the main.asm proram

11# n the drop-down where it shows

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CodeWarrior ASM Tutorial