I would guess that most applications are more interested in the latter. The buffer is usually somewhat larger (and never smaller) than the current physical screen size. My $cols = $stty.match(/ 'columns ' <( \d+/) Print "The terminal has $cols columns and $rows lines \n " # let width, height = ANSITerminal.size () and enterprise, EHD drying is in pure basic research, basic applied. Using the library in the interactive loop: $ ocaml unix.cma - I + ANSITerminal ANSITerminal.cma and particularly for each case it is determined from the formula of Peek.
PUREBASIC PEEK CODE
The RSX routine might be called "getwh" and accept pointers to integers, which would simplify the BASIC code to: 10 w%=0:h%=0 ' initialize and force integer typeĢ0 ' call RSX and pass variables as pointersģ0 PRINT "window width:" w% ", height:" h% In practice, one would prefer to write the machine code routine as a slightly more elaborate RSX ('''r'''esident '''s'''ystem e'''x'''tension) which is a freely relocatable and therefore more reusable Locomotive BASIC extension. This routine gets POKEd into RAM (starting at address &4000) and CALLed from Locomotive BASIC, then the results are retrieved with PEEK: 10 s=&4000:SYMBOL AFTER 256:MEMORY s-1ģ0 DATA &d5,&e5,&cd,&69,&bb,&ed,&53,&20,&40,&22,&22,&40,&e1,&d1,&c9ħ0 PRINT "window width:" w ", height:" h It looks like this when disassembled: 4000 d5 push de
PUREBASIC PEEK WINDOWS 10
PureBasic 5.73 SpiderBasic 2.30 Windows 10 Pro (圆4) Linux Mint 20. So we have to use a snippet of Z80 machine code to call the firmware and copy the results from the DE and HL registers to RAM. Peek and Poke not slow, but pointer always faster. Locomotive BASIC has no built-in command to get window dimensions, but there is a firmware call to &bb69 (TXT_GET_WINDOW) for this.
I needed to execute the terminal command: 'export COLUMNS LINES'īefore running this program for it to work (returned 'null' sizes otherwise). If you want to help to improve and eventually enable this page, Incorrect code, conceptual problems, or other severe issues. Parameters Return value Returns the read string.
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ASCII Editor (online tool) did that trick IIRC.This means it might contain formatting issues, PureBasic is a commercially distributed procedural computer programming language and integrated development environment based on BASIC and developed by Fantaisie Software for Windows, Linux, and macOS.An Amiga version is available, although it has been discontinued and some parts of it are released as open-source. PeekS () Syntax Text PeekS (MemoryBuffer, Length, Format) Description Reads a string from the specified memory address. In theory, it could be even faster by turning screen off before printing and turning it on right after (just a few POKEs IIRC), but I doubt it will be useful in this case. Important thing is that just by replacing POKEs with control-chars, program execution is faster. It is perfectly legal (just those lines couldn’t be edited anymore usual way but retyped instead > see “C64 Programmers Reference Guide”, ch2, Introduction). “?” instead “print”, to put more commands in 80-char-per-line limitation. Last line could be tricky to enter, it should be used with abbreviated (shorted) tolkens – e.g. Setting j is arbitrary it is equally fast but variable could be useful later (in real program), although prg is bigger for a tiny bit that way. PureBasic free for Linux (Debian 10 - x86) PureBasic free for Linux (Ubuntu 18. PureBasic free for Windows (x86 - 32-bit) PureBasic free for Windows (圆4 - 64-bit) Linux.
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Now, while Sinclair BASIC would let us place the cursor with a command like PRINT AT INT (RND*22),INT (RND*32) "” :e=ti:print”time:” (e-s)/60 The free version of PureBasic (limited to small programs) is available for download for everyone: Windows. Our Sample Taskįor our initial experiments, we will put the checkerboard graphic at a hundred random places on the screen. That means that to be sure what’s going on you’ll need to do some measurement.
This has some occasionally surprising side effects. The core principles, though, are that command interpretation is work and so you want to do as little of it as possible. There’s a bunch of heuristics and rules for getting BASIC code to run slightly faster.
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