60 lines
3.2 KiB
Markdown
60 lines
3.2 KiB
Markdown
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BefunExec is a fast Befunge-93 interpreter.
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BefunExec can either be controlled over the menu or by keyboard shortcuts.
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You can read about the shortcuts and the command line parameters in the console window of BefunExec.
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##Program
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In the center you can see the program, depending on your options highlighted or not.
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You can zoom in either with your mouse wheel or by dragging a selection box. With `Esc` can you go one zoom level back.
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By pressing `R` can you reset the whole program and by pressing `Space` can you pause/un-pause it.
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While he program s paused you can do a single step by pressing `Left`
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You can also change the simulation speed with the shortcuts `1` to `5` and add breakpoints by clicking on a single command (breakpoints are displayed blue).
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> **Tip:**
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> Access debug information like FPS and your current interpretation speed by holding `tab`
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##Stack
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On the left side is the current program stack, if you have enabled it you can see behind the numbers the ASCII representation of the number.
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##In/Output
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Every output is written into the output field and the console, you can also access all the output over the menu entry "show output".
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For the input there is an input buffer in place. You can enter a series of chars in the input-box and press the input button.
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Your text is then in the input buffer and the next time the program wants to read a character it will take it from this buffer.
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If the buffer is empty the program will pause until there is a character in it which it can read.
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When the programs reads a number on the other side will always pause the program and ask the user to enter a number.
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##Settings
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Over the menu you can change a few settings:
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- **Syntax Highlighting**: Choose your Syntax highlighting method
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- **Follow cursor**: Zoom in and follow the PC automatically around
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- **Show trail**: Show trail behind PC
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- **ASCII stack**: Show ASCII characters in stack display
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- **Skip NOP's**: Skip continuous White spaced
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- **Debug mode**: While in debug mode you will be warned of operations that would never occur in a BefunGen created program (wrap-around-edge, pop empty stack ...)
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###Extended Syntax Highlighting
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BefunExec can use BefunHighlight to highlight the program (= extended Syntax highlighting).
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It will automatically choose so if the program isn't too big and you haven't explicitly specified another highlighting method.
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Be aware that when you run on top speed and BefunExec is getting slowed down a lot by BefunHighlight it will automatically change the highlighting method.
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##Additional
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###Capture GIF
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With the menu point "Capture GIF" you can create an animated .gif animation of your running program.
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You can set the amount of steps to capture and the animation delay between the steps. You can also set the final delay before the animation restarts.
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There is also the "Automatic frame count" option, only use this if your program terminates in a reasonable amount of frames.
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