Commodore Plus 4 - Page 101

BASIC Version 3.5 Commands, Functions, and System Variables 89
When you are printing on the printer and an SPC forces a space in the last
character position on the line, a carriage return and line feed are automatically
performed. When this occurs, no spaces are printed on the next line regardless of
the number of spaces in the SPC function.
SPC Compared with TAB
The difference between SPC and TAB is that TAB always counts spaces from the
leftmost column while SPC counts spaces from the last PRINTed item. For
example, in the following program, TAB forces WORD to be printed five spaces
from the left side of the screen. SPC forces WORD to be printed five spaces from
the end of the previous PRINTed item, which was 12345.
10 PRINT "12345" TAB(5) "WORD"
SO PRINT "12345" SPC(5) "WORD"
30 PRINT "1234512345"
RUH
12345W0RD
12345 WORD
1234512345
SQR Abbr.sQ
SQR (number)
Finds the square root of the number in parentheses. The number cannot be a
negative, though 0 is allowed.
Parameter: any nonnegative number or numeric expression
SSHAPE Abbr. sS
SSHAPE string variable, corner coordinates, corner coordinates
Saves small rectangular parts of graphic screens in any graphic mode. These
graphic screen areas, which occupy the space of up to 255 characters, are saved as
text-string values in memory. You use a text-string variable to identify the screen
area, just as you use a variable to identify any type of value.
Use SSHAPE and GSHAPE when you want to repeat a pattern on a graphic
mode screen or when you are using animation and want to move or erase the
pattern. After you save a screen area with SSHAPE, you can use the GSHAPE
command to display it anywhere on the graphic screen. When you retrieve the
area with the GSHAPE command, you give the screen location where you want
the area to be displayed.
Areas saved with SSHAPE are cleared when any CLR command occurs. See
Chapter 4 for more information on GSHAPE and SSHAPE.