<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >tutor4c.oph</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REL="HOME" TITLE="Programming with Ophis" HREF="book1.html"><LINK REL="UP" TITLE="Example Programs" HREF="a454.html"><LINK REL="PREVIOUS" TITLE="tutor4b.oph" HREF="x481.html"><LINK REL="NEXT" TITLE="tutor5.oph" HREF="x489.html"></HEAD ><BODY CLASS="SECTION" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >Programming with Ophis</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="x481.html" ACCESSKEY="P" ><<< Previous</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" >Example Programs</TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="x489.html" ACCESSKEY="N" >Next >>></A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="SECTION" ><H1 CLASS="SECTION" ><A NAME="TUTOR4C-SRC" ><TT CLASS="FILENAME" >tutor4c.oph</TT ></A ></H1 ><TABLE BORDER="0" BGCOLOR="#E0E0E0" WIDTH="100%" ><TR ><TD ><PRE CLASS="PROGRAMLISTING" >.include "c64-1.oph" .macro print ldx #0 _loop: lda _1, x beq _done jsr chrout inx bne _loop _done: .macend .macro greet lda #30 jsr delay `print hello1 `print _1 `print hello2 .macend lda #147 jsr chrout lda #lower'case jsr chrout `greet target1 `greet target2 `greet target3 `greet target4 `greet target5 `greet target6 `greet target7 `greet target8 `greet target9 `greet target10 rts .charmap 'A, "abcdefghijklmnopqrstuvwxyz" .charmap 'a, "ABCDEFGHIJKLMNOPQRSTUVWXYZ" hello1: .byte "Hello, ",0 hello2: .byte "!", 13, 0 target1: .byte "programmer", 0 target2: .byte "room", 0 target3: .byte "building", 0 target4: .byte "neighborhood", 0 target5: .byte "city", 0 target6: .byte "nation", 0 target7: .byte "world", 0 target8: .byte "Solar System", 0 target9: .byte "Galaxy", 0 target10: .byte "Universe", 0 ; DELAY routine. Executes 2,560*(A) NOP statements. delay: tax ldy #00 * nop nop nop nop nop nop nop nop nop nop iny bne - dex bne - rts</PRE ></TD ></TR ></TABLE ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="x481.html" ACCESSKEY="P" ><<< Previous</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="book1.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="x489.html" ACCESSKEY="N" >Next >>></A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><TT CLASS="FILENAME" >tutor4b.oph</TT ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="a454.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><TT CLASS="FILENAME" >tutor5.oph</TT ></TD ></TR ></TABLE ></DIV ></BODY ></HTML >