histcomp:apple_ii

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histcomp:apple_ii [2024-09-30 22:42] – asdfhistcomp:apple_ii [2024-10-01 06:15] (current) – asdf
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 20 CALL 768,X% 20 CALL 768,X%
 </code> </code>
 +
 +==== Generate the Mandelbrot set ====
 +Useful as a benchmark. The computer must be in 80-column mode for it to display properly.
 +
 +<code basic>
 +10 FOR Y=-12 TO 12
 +20 FOR X=-39 TO 39
 +30 CA=X*0.0458
 +40 CB=Y*.08333
 +50 A=CA
 +60 B=CB
 +70 FOR I = 0 TO 15
 +80 T=A*A-B*B+CA
 +90 B=2*A*B+CB
 +100 A=T
 +110 IF(A*A+B*B)>4 GOTO 200
 +120 NEXT I
 +130 PRINT " ";
 +140 GOTO 210
 +200 IF I>9 THEN I=I+7
 +205 PRINT CHR$(48+I);
 +210 NEXT X
 +220 PRINT
 +230 NEXT Y
 +</code>
 +
 ===== Resources ===== ===== Resources =====
   * [[https://apple2online.com]]   * [[https://apple2online.com]]
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 [(a2eenhpg>[[https://ia804504.us.archive.org/19/items/about-your-enhanced-apple-iie-programmers-guide/About%20Your%20Enhanced%20Apple%20IIe%20Programmer%27s%20Guide.pdf|About Your Enhanced Apple IIe: Programmer's Guide]])] [(a2eenhpg>[[https://ia804504.us.archive.org/19/items/about-your-enhanced-apple-iie-programmers-guide/About%20Your%20Enhanced%20Apple%20IIe%20Programmer%27s%20Guide.pdf|About Your Enhanced Apple IIe: Programmer's Guide]])]
 [(Sather1985>[[https://ia800702.us.archive.org/18/items/Understanding_the_Apple_IIe/Understanding_the_Apple_IIe.pdf|Understanding the Apple IIe]] (1985))] [(Sather1985>[[https://ia800702.us.archive.org/18/items/Understanding_the_Apple_IIe/Understanding_the_Apple_IIe.pdf|Understanding the Apple IIe]] (1985))]
 +[(usingprodos>[[https://mirrors.apple2.org.za/ftp.apple.asimov.net/documentation/os/prodos/Using%20ProDOS%20-%20The%20Multilayered%20DOS.pdf|Using ProDOS]])]
 +[(allpinoutsa2>[[https://allpinouts.org/pinouts/connectors/buses/apple-ii-slot/]])]
  
 ~~REFNOTES~~ ~~REFNOTES~~
  • histcomp/apple_ii.1727736165.txt.gz
  • Last modified: 2024-09-30 22:42
  • by asdf