What is screen command used for in QB64?
QB64 allows page flipping or a PCOPY in ANY SCREEN mode. _DISPLAY can also be used to reduce flickering in animations. All SCREEN modes are Windows in QB64.
What is screen command in QBasic?
The SCREEN statement is chiefly used to select a screen mode appropriate for a particular display-hardware configuration. Supported hardware configurations and screen modes are described below.
What is the default screen mode in QBasic?
The textual mode is a default mode when the execution of the program is started. The whole screen is divided into 25 rows and 80 columns.
How many screen modes are there in QB64?
Modern Syntax SCREEN _NEWIMAGE(wide&, deep&, mode%) can imitate any size screen mode or use 32 bit or 256 color modes in QB64.
In which screen no graphics can be created?
Answer. Answer: SCREEN 0 (default mode) is a text only screen mode.
Which is the default mode of screen?
1] The default mode of the screen is Standard Screen mode.
Which screen mode can be used only for text?
Answer: text mode is a mode where of a software program where only text is displayed.
What are screen modes?
The term display mode refers to the characteristics of a computer display, in particular the maximum number of colors and the maximum image resolution (in pixels horizontally by pixels vertically). There are several display modes that can be found in personal computer (PC) systems today.
What is the difference between screen 0 and screen 1?
SCREEN 1 has 4 background color attributes. 0 = black, 1 = blue, 2 = green, 3 = grey. White foreground only. Text is 25 by 40.
What are the three modes of screen statements in QBasic?
- Purpose: To set the specifications for the display screen.
- MDPA with Monochrome Display: Mode 0.
- CGA with Color Display: Modes 0, 1, and 2.
- EGA with Color Display: Modes 0, 1, 2, 7, and 8.
- EGA with Enhanced Color Display: Modes 0, 1, 2, 7, and 8.
- EGA with Enhanced Color Display: Mode 9.
How many types of screen modes are there in QBasic?
1 = normal white, 2 = blinking white and 3 = bright white. Text is 25 by 80. Graphics is 640 by 350. SCREEN 11 is monochrome with black background and white foreground.
What is the default mode of screen?
What are the different screen modes in QB64?
All SCREEN modes are Windows in QB64. Use _FULLSCREEN to set the window area to full screen. _SCREENMOVE can position a window or the _MIDDLE option can center it on the desktop. SCREEN 0 (default mode) is a text only screen mode. 64 (VGA) colors with hi-intensity (blinking) colors 16 to 31.
What is the difference between QuickBasic and QB64?
Unlike QuickBASIC, QB64 does not return all uppercase values so keep that in mind when checking parameters. In QB64, COMMAND$ works as an array to return specific elements passed to the command line. COMMAND$ (2) would return the second parameter passed at the command line.
What is the size of the graphics in QB64?
Graphics 640 by 480. SCREEN 13 has 256 color attributes, black background. 256K possible color hues. Text is 25 by 40. Graphics is 320 by 200. SCREEN _NEWIMAGE (wide&, deep&, mode%) can imitate any size screen mode or use 32 bit or 256 color modes in QB64.
How do you USE command line arguments in QB64?
In QB64, COMMAND$ works as an array to return specific elements passed to the command line. COMMAND$ (2) would return the second parameter passed at the command line. Arguments can contain spaces if they are passed inside quotation marks. This can be used to properly retrieve file names and arguments which contain spaces.