Commodore 128 System Manual page 252

Saves the binary file named " SPRITE DATA" starting at location
3584 through 4095 (BANK 0).
BSAVE " PROGRAM.SCR",D0,U9,BO,P3182 to P8000
Saves the binary file named " PROGRAM.SCR" in the memory
address range 3182 through 7999 (BANK 0) on drive 0, unit 9.
CATALOG
Displays the disk directory.
CATALOG [Ddrive number] [<ON | ,>Udevice number]
[.wildcard string]
The CATALOG command displays the directory on the specified
drive just like the DIRECTORY command. See the DIRECTORY
command for more examples (DIRECTORY and CATALOG are
interchangeable).
EXAMPLE:
CATALOG Displays the disk directory on drive 0 of unit 8
CHAR
Displays characters at the specified position on the
screen
CHAR [color source ],x,y[,string] [,RVS]
This is primarily designed to display characters on a bit mapped
screen, but it can also be used on a text screen. Here's what the
parameters mean:
color source
x
y
string
reverse
17-10
0=Background
1=Foreground
2=M ulticolor 1
3=M ulticolor 2
Character column (0-79) (wraps around
to the next line in 40-column mode)
Character row (0-24)
String to print
Reverse field flag (0=off, 1 =on)