http www calormen com jsbasic

But apparently - if you send a FormData() object, that will override the urlencoded value and keep it as a multipart post instead. I began by working on the action code. Learn more, We use analytics cookies to understand how you use our websites so we can make them better, e.g. Work fast with our official CLI. We use optional third-party analytics cookies to understand how you use GitHub.com so we can build better products. Now, this reminds me of my first computer and my first programming… As you see, this interpretes the good old Apple Basic A handful of extensions are made beyond Applesoft BASIC: To improve readability, lines may start with. I learned to code with Applesoft BASIC on a 2e (or 2+, not sure now) and I can still remember the joy of getting my first program to run. Learn more. BASIC is an interactive language. ;), Oh, and the code for the client and action may be found here: https://github.com/cfjedimaster/Serverless-Examples/tree/master/basic. setpencolor 4 setpencolor "red setpencolor "#ff0000 setpencolor [ 99 0 0 ] setpalette colornumber csscolor setpalette colornumber [r g b] Change one of the … But when I filed a bug report on it I got a response very quickly. Use Git or checkout with SVN using the web URL. jsbasic - Applesoft BASIC in JavaScript. We use optional third-party analytics cookies to understand how you use GitHub.com so we can build better products. The BASIC program is compiled to JavaScript before execution. For example. Links. From what I can tell, this is not support by OpenWhisk. You signed in with another tab or window. Save Load Share Show output Hide output. With the Fetch() API, this isn't too hard, but all the demos I saw used a FormData object. (Wow, I'm typing "basic" a lot.) Real emulators in JavaScript: Apple IIjs, Apple //jse, Apple2JS, and many more 6502asm.com - a 6502 assembler/emulator in JavaScript ; Quite BASIC - a similar project aimed at teaching programming - a similar project aimed at teaching programming If you want to run this yourself, you can do so here: https://cfjedimaster.github.io/Serverless-Examples/basic/test.html, And yes, you can write an infinite loop. It can prompt you for input which doesn't necessarily make sense in a "run and return the output" context. To be clear, OpenWhisk ran just fine on this request, but it didn't take the form fields and automatically turn them into arguments. He focuses on JavaScript, serverless and enterprise cat demos. If nothing happens, download Xcode and try again. Floating point overflow is only detected on variable assignment. Learn more. I'm still new at Fetch so if I missed something obvious, let me know. If you like this article, please consider visiting my Amazon Wishlist or donating via PayPal to show your support. Syntax errors are therefore detected at compile-time rather than at run-time as on a traditional interpreter. Of course, why should I let that stop me? BASIC is an interactive language. Here's where I ran into two things that tripped me up. Millions of developers and companies build, ship, and maintain their software on GitHub — the largest and most advanced development platform in the world. In order to send a urlencoded fetch call, I first tried just adding the header you see above. (After an incredibly stupid error that happened because I didn't read the docs. To send data to my action, I wanted to use a POST instead of a GET. If nothing happens, download the GitHub extension for Visual Studio and try again. I ran into a problem right away as the documentation for the library is a bit lacking. I have quite the soft spot in my heart for BASIC. In fact, it slows things down as my code would have to make a HTTP call to the server to run the code. Now - let me be clear. I tend to tease myself a bit about the "useless demos" I like to build, but almost consistently I end up learning something new. Raymond is a developer advocate for HERE Technologies. We use essential cookies to perform essential website functions, e.g. In theory I could setup OpenWhisk to return images (and it would be fun to get that working), it doesn't necessarily make sense for my demo. Here is the action I built: Basically I initialize the code with a string input (the BASIC code) and then "run" the program via the driver function until it is complete. This is hosted for playing with at https://inexorabletash.github.io/jsbasic/. GitHub is home to over 50 million developers working together to host and review code, manage projects, and build software together. For input, I do nothing (I'm just not going to support program input) and for output, I just store it up into a string. For example, the following program would run without errors on an Apple since the erroneous second statement is never reached. Syntax errors are therefore detected at compile-time rather than at run-time as on a traditional interpreter. Now let's look at the front end. You can even buy me a coffee! For more information, see our Privacy Statement. I recently came across a great little on line BASIC interpreter at http://calormen.com/jsbasic/ and when I noticed it was open source, I thought it would be cool to get this up and running in OpenWhisk. (Never anything naughty of course.) I wrote it all in one quick file so forgive the mix of HTML, CSS, and JS. So I had to manually urlencode my form post. In fact, it slows things down as my code would have to make a HTTP call to the server to run the code. If nothing happens, download GitHub Desktop and try again. I could have handled that myself, but I wanted to keep the code as is. This will totally fail if you write code expecting input, or if you use graphics modes, but it lets basic stuff work just fine. It's a relatively simple web page. I can remember doing that on machines at Sears back in the old days. download the GitHub extension for Visual Studio, https://inexorabletash.github.io/jsbasic/. If my use-case is a client-side application, then putting it on OpenWhisk doesn't gain me anything. Handling of BASIC code that does not match the canonical, Keyword parsing differs from Applesoft command line. This is a bad idea for (at least) three reasons. Since it was just one value though it wasn't too hard. You can always update your selection by clicking Cookie Preferences at the bottom of the page. Raymond is a developer advocate for HERE Technologies. they're used to gather information about the pages you visit and how many clicks you need to accomplish a task. It may not be an earth shattering realization of something incredibly deep, but generally, if I learn something, and if I can share it, I consider it a win. Building a Web App Powered by Google Forms and Sheets, Vue Quick Shot - Preventing Multiple Form Submissions, Adding a Warning for Old Posts to Your Jamstack Site, Adding Your Netlify Build Status to Your Site, Building Table Sorting and Pagination in Vue.js. OpenWhisk will automatically kill the process after 60 seconds so I'm not too concerned about you doing that, but, please, don't. He focuses on JavaScript, serverless and enterprise cat demos. Commands that refer to assembly routines (, Commands that operate on the program itself (.

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