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103 lines
2.8 KiB
Plaintext
103 lines
2.8 KiB
Plaintext
ASOFT_PRESENTER
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~~~~~~~~~~~~~~~
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Background:
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I was inspired to write this when a co-worked used an iPad for a
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talk. The iPad is as powerful as early Cray supercomputers;
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why waste that much processing power on a slide show?
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In present mode:
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Q quits
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space or -> goes to next slide
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<- goes to previous slide
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How to Create Presentations:
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./asoft_presenter DIRECTORY
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Directory must contain "info" and "footer" files
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In general empty lines (just linefeed) and lines starting with #
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are ignored
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info: has the slide info. First key is
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TITLE
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followed by title
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AUTHOR
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followed by author
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EMAIL
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followed by e-mail
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SLIDES
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followed by a list of files to be parsed in-order with slide info
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END_SLIDES
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footer: has info on footer
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first line: text to be left justified
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second line: text to be centered
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slide files:
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starting a line with %c% will center the following text
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First line describes slide type
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40COL - 40 column text
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80COL - 80 column text (not implemented)
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HGR - HGR with 4-lines of text
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HGR2 - HGR with no text (note, uses page 1)
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HGR_PLOT - plots data on HGR display
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40COL - text as follows is printed to 40 column text display
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HGR - first line indicates file to BLOAD.
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following lines are text at bottom
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HGR2 - first line indicated file to BLOAD
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actually is page1 (HGR) with soft-switch thrown
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this is because presentations get so large
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I load them high by default into HGR page2
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HGR_PLOT - loads a shape table to $1000 and uses it for
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labeling axes
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first line x and y size of data
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next line how many tick marks on x and y axis
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START
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followed by x y NUM where NUM is number to
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write at x y
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STOP
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number of plots
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for each plot,
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START
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color of plot
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list of data points (x y)
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STOP
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Then list of text to put in bottom 4 lines
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NOTES while developing:
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ARGH I've been programming in C too long can't handle things that start
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numbering with "1" rather than "0".
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AppleSoft BASIC was my first programming language; it's amazing how
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I can still program it all these years later.
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On-line documentation that can be found for shape table construction
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is misleading at best. The original BASIC manual is best for this.
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The BASIC code generated is really wasteful, especially for the
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extravagant REM statements.
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I am most proud of the code that puts the slide number at end
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of text w/o scrolling. There's probably a better way to do it.
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I should probably use page-flipping to avoid flicker, but I use
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so much RAM it might not be doable. Probably also would
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require assembly.
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