Freeware assember ASxx.EXE Ver 1.03.
0001                         * E-MAIL: nsitarsk@umd.umich.edu harris_brandon@yahoo.com
0002                         * Name:Nick Sitarski  Brandon Harris
0003                         * Course:  ECE 372
0004                         * Term:Summer 2002
0005                         *
0006                         * Revision History
0007                         *
0008                         * First Draft:  5/19/02
0009                         *   -Progress:
0010                         *
0011                         * Most Recent Revision: 5/19/02
0012                         *    -Progress:
0013                         *
0014                         * Date Submitted:
0015                         * Demonstration Approval: ______
0016                         *
0017                         * MEMORY MANAGEMENT
0018                         *
0019                         * Program starts at: $2000
0020                         * Data Begins at $3C00
0021                         
0022                         *******************************************
0023                         *Set Equates
0024                         
0025 0020                    SPACE           EQU     $20
0026 ffb8                    OUTA            EQU     $FFB8
0027 ffbb                    OUT1BYT         EQU     $FFBB
0028 ffc7                    OUTSTRG		EQU	$FFC7
0029                         
0030                         *Load DATA
0031                         
0032 3c00                    	ORG	$3C00			*Start at $3c00	
0033 3c00 54 68 69 73 20 69  STRING1	FCC	'This is just a test'	*Input text
     73 20 6a 75 73 74
     20 61 20 74 65 73
     74
0034 3c13 04                 	FCB	$04			*End Character String
0035                         
0036                         
0037                         
0038                         *begin code User has to manually change datapoints themselves.
0039                         
0040                         
0041 2000                    	ORG	$2000
0042                         
0043 2000 ce 3c 00           	LDX	#$3C00		*Load x with $3c00
0044 2003 c6 04              	LDAB	#$04		*load accumulator b with 4	
0045 2005 18 ce 3d 00        	LDY	#$3D00		*Load y with #$3d00
0046                         	
0047 2009 a6 00              LOOP	LDAA	0,X		*Load a with 
0048 200b 18 a7 00           	STAA	0,Y		*store a
0049 200e 08                 	INX			*INC X
0050 200f 18 08              	INY			*inc Y
0051 2011 11                 	CBA			*Compare A and B
0052 2012 27 02              	BEQ	DONE		*If z flag equal 1 go to done
0053 2014 20 f3              	BRA	LOOP		*If z flag equal 0 go to loop
0054                         
0055 2016 ce 3c 00           DONE	LDX	#STRING1	*load x with #String
0056 2019 bd ff c7           	JSR	OUTSTRG		*Print string
0057                         	
0058                         
0059 201c 3f                 	SWI


Number of errors 0