home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Libris Britannia 4
/
science library(b).zip
/
science library(b)
/
PROGRAMM
/
VISUAL_B
/
H208.ZIP
/
HLPFILES.ZIP
/
FASTPRNT.HLP
< prev
next >
Wrap
Text File
|
1991-08-14
|
2KB
|
41 lines
┌────────────────────────────┐
│ FAST SCREEN OUTPUT │
└────────────────────────────┘
This function provides a rapid method of displaying a
string of characters on the screen, without updating
the cursor position. The calling program should pass
a string of ASCII text, the row/column co-ordinates of
the screen location where it is to be printed, and the
display attribute required.
For most applications, which require text to be output
to the screen, the BASIC PRINT statement is perfectly
adequate. FASTPRINT however, provides some significant
advantages:
1) The ROW/COLUMN location where the string is to be
printed is specified to the routine, so there is
no need for a seperate LOCATE statement, to place
the cursor.
2) You can place the string anywhere on the display,
including the 25th line no matter what VIEW PRINT
parameters may be in effect.
3) Output to the bottom line of the display will not
cause the screen to scroll.
4) You can specify the colour or display attribute
of the text to be printed to the routine, so that
there is no need for a seperate COLOR statement.
5) Furthermore, the attribute specified applies only
to the text being printed, it does not affect the
colour of any subsequent PRINT statements.
6) FASTPRINT writes direct to display memory, and is
consequently, much faster than ordinary output to
the screen. This is particularly noticeable when
you need to display large blocks of text.