mirror of
https://github.com/michaelcmartin/Ophis.git
synced 2024-12-22 03:29:55 +00:00
239 lines
3.4 KiB
HTML
239 lines
3.4 KiB
HTML
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<HTML
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><HEAD
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><TITLE
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>tutor5.oph</TITLE
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><META
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NAME="GENERATOR"
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CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK
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REL="HOME"
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TITLE="Programming with Ophis"
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HREF="book1.html"><LINK
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REL="UP"
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TITLE="Example Programs"
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HREF="a454.html"><LINK
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REL="PREVIOUS"
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TITLE="tutor4c.oph"
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HREF="x485.html"><LINK
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REL="NEXT"
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TITLE="tutor6.oph"
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HREF="x493.html"></HEAD
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><BODY
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CLASS="SECTION"
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BGCOLOR="#FFFFFF"
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TEXT="#000000"
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LINK="#0000FF"
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VLINK="#840084"
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ALINK="#0000FF"
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><DIV
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CLASS="NAVHEADER"
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><TABLE
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SUMMARY="Header navigation table"
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TH
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COLSPAN="3"
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ALIGN="center"
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>Programming with Ophis</TH
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></TR
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><TR
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><TD
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WIDTH="10%"
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ALIGN="left"
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VALIGN="bottom"
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><A
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HREF="x485.html"
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ACCESSKEY="P"
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><<< Previous</A
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></TD
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><TD
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WIDTH="80%"
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ALIGN="center"
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VALIGN="bottom"
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>Example Programs</TD
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><TD
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WIDTH="10%"
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ALIGN="right"
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VALIGN="bottom"
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><A
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HREF="x493.html"
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ACCESSKEY="N"
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>Next >>></A
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></TD
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></TR
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></TABLE
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><HR
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ALIGN="LEFT"
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WIDTH="100%"></DIV
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><DIV
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CLASS="SECTION"
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><H1
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CLASS="SECTION"
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><A
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NAME="TUTOR5-SRC"
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><TT
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CLASS="FILENAME"
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>tutor5.oph</TT
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></A
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></H1
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><TABLE
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BORDER="0"
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BGCOLOR="#E0E0E0"
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WIDTH="100%"
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><TR
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><TD
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><PRE
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CLASS="PROGRAMLISTING"
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>.include "c64-1.oph"
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.data
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.org $C000
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.text
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.macro print
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ldx #0
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_loop: lda _1, x
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beq _done
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jsr chrout
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inx
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bne _loop
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_done:
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.macend
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.macro greet
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lda #30
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jsr delay
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`print hello1
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`print _1
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`print hello2
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.macend
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lda #147
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jsr chrout
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`greet target1
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`greet target2
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`greet target3
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`greet target4
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`greet target5
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`greet target6
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`greet target7
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`greet target8
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`greet target9
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`greet target10
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rts
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hello1: .byte "HELLO, ",0
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hello2: .byte "!", 13, 0
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target1: .byte "PROGRAMMER", 0
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target2: .byte "ROOM", 0
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target3: .byte "BUILDING", 0
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target4: .byte "NEIGHBORHOOD", 0
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target5: .byte "CITY", 0
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target6: .byte "NATION", 0
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target7: .byte "WORLD", 0
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target8: .byte "SOLAR SYSTEM", 0
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target9: .byte "GALAXY", 0
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target10: .byte "UNIVERSE", 0
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; DELAY routine. Takes values from the Accumulator and pauses
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; for that many jiffies (1/60th of a second).
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.scope
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.data
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.space _tmp 1
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.space _target 1
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.text
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delay: sta _tmp ; save argument (rdtim destroys it)
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jsr rdtim
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clc
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adc _tmp ; add current time to get target
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sta _target
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* jsr rdtim
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cmp _target
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bmi - ; Buzz until target reached
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rts
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.scend
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.checkpc $A000
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.data
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.checkpc $D000</PRE
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></TD
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></TR
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></TABLE
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></DIV
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><DIV
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CLASS="NAVFOOTER"
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><HR
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ALIGN="LEFT"
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WIDTH="100%"><TABLE
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SUMMARY="Footer navigation table"
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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><A
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HREF="x485.html"
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ACCESSKEY="P"
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><<< Previous</A
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></TD
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|
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><TD
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|
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WIDTH="34%"
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||
|
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ALIGN="center"
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VALIGN="top"
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><A
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HREF="book1.html"
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|
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ACCESSKEY="H"
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>Home</A
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|
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></TD
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||
|
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><TD
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|
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WIDTH="33%"
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|
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ALIGN="right"
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VALIGN="top"
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><A
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|
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HREF="x493.html"
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|
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ACCESSKEY="N"
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|
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>Next >>></A
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></TD
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></TR
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|
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><TR
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|
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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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|
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><TT
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CLASS="FILENAME"
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>tutor4c.oph</TT
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||
|
|
></TD
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||
|
|
><TD
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||
|
|
WIDTH="34%"
|
||
|
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ALIGN="center"
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VALIGN="top"
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><A
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||
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HREF="a454.html"
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|
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ACCESSKEY="U"
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>Up</A
|
||
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></TD
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||
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><TD
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||
|
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WIDTH="33%"
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||
|
|
ALIGN="right"
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||
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VALIGN="top"
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><TT
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||
|
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CLASS="FILENAME"
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>tutor6.oph</TT
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||
|
|
></TD
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||
|
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></TR
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></TABLE
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></DIV
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></BODY
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||
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></HTML
|
||
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>
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