Radio Shack TRS-80 PC-3 Owner's Manual page 155

The first form of the PAUSE statement displays a single value. If the expression is numeric, the value is printed at the far right
end of the display. If it is a string expression, the value is printed at the far left end of the display.
With the second form of the PAUSE statement, the display is divided into two 12-character halves. The two values are displayed
in each half, according to the same rules as above.
With the third form, the display starts at the left edge and each value is displayed immediately following the previous value from
left to right, with no intervening space.
PAUSE statements are not affected by the PR INT=LPR INT statement (see PR INT).
While it is possible to write PAUSE statements which would display more than 24 characters, only the leftmost 24 appear in the
display. There is no way to see the other characters.
Examples
10 A = 10 : B = 20: X$= "ABCDEF"
20 PAUSE A
30 PAUSE X$
40 PAUSE A, B
50 PAUSE A; B; X$
Display
ABCDEF
10.20. ABCDEF
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10.
10.
20.