frodo-wii/Docs/demoprograms.html
2009-01-13 18:46:42 +00:00

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<TITLE>Sample programs</TITLE>
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<H1>Sample programs</H1>
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The directory "64prgs" contains some little sample programs to show the
capabilities of Frodo/Frodo SC. Except for "dadb" and "lrborder" they are all loaded with
<CODE>LOAD"&lt;name&gt;",8,1</CODE> and started with <CODE>SYS49152</CODE>.
To do so, you have to set "Drive 8" in the settings to "Dir" and set the
path to '64prgs' so Frodo will find the programs.<P>
The programs were written by Pasi Ojala, Marko M&auml;kel&auml;, Andreas
Boose and me. If you like, you can try them on other emulators or on a real
C64.<P>
A short description of each program:<P>
<H4>3fff</H4>
Opens the top and bottom border and displays swinging letters ("Cycles per
line (CPU)" should be set to 60 for this one)
<H4>colorbars</H4>
Flickering colors
<H4>d011h3</H4>
8-way soft scrolling without moving a single byte in memory (cursor keys
to scroll left/right, 't' for text mode, 'g' for bitmap mode), requires Frodo SC
<H4>dadb</H4>
A program running in the color RAM (press space), requires Frodo SC
<H4>de00all</H4>
A program running in the address space $de00-$dfff (press space), requires
Frodo SC
<H4>dycp</H4>
Scrolling with different Y character position
<H4>fld</H4>
Demonstrates the FLD effect (flexible line distance)
<H4>lrborder</H4>
Opens the left/right border, requires Frodo SC
<H4>sprsync</H4>
Stable raster routine by synchronizing with a sprite, requires Frodo SC
<H4>stretch</H4>
Variably expanded sprites, requires Frodo SC
<H4>tech-tech</H4>
Horizontal scrolling with large amplitude (use joystick in port 2 to
control)
<H4>text26</H4>
Displays (nearly) 26 lines of text
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