Commodore Plus 4 - Creating sound effects

Section 1. Word Processor Commands 105
FU WP,SS
Cancels half-screen mode (see the HA command) and returns the screen to a
full display of the word processor work area (when issued in the word processor).
The FU (FUll screen) command has no effect unless the computer is in half-screen
mode, which is turned on by the HA command. Issuing an FU command does not
affect the contents of either the word processor or the spreadsheet.
To return to full-screen word processing, you must be in the word processor
when you issue an FU command. If you issue the command in the spreadsheet,
you will return to the full-screen spreadsheet. If this happens, just issue a TW
command to switch to the word processor.
HA WP, SS
Divides the screen in half so that partial work areas from the spreadsheet and
word processor programs can be displayed simultaneously. In half-screen mode,
12 lines from the word processor are displayed in the top half of the screen, and
seven rows from the spreadsheet are shown in the bottom half of the screen.
Half-screen mode has several uses:
1. When you want to transfer data from the spreadsheet row by row with the
MAP command. MAP lets you transfer data manually, and half-screen mode
lets you see both work areas while you use MAP.
2. When you need to refer to spreadsheet data while you are writing a word
processor document, but do not want to transfer the data.
3. When you need to get data from the word processor for use in the spreadsheet.
You cannot transfer data from the word processor to the spreadsheet, but
half-screen mode lets you view any part of the word processor work area while
you are working in the spreadsheet.
When you first issue the HA command in the word processor, the screen is split
in half, but the spreadsheet is not displayed in the work area. To bring up the
spreadsheet, issue a TC command. The spreadsheet is then displayed on the
bottom half of the screen, and the cursor is under spreadsheet control.
Cursor Control
Although you can see partial work areas from both programs, you can use only
one program at a time. The cursor can move around only half of the screen, and
the keyboard is under the control of the current program. You cannot type any
information into the other program. To switch between programs, you must still
issue TC and TW commands. The status line at the bottom of the screen indicates
which program currently controls the keyboard.