COLORED LIST

Press CTRL + ?

100 PRINT "HELLO"
110 REM "{COLOR}
120 PRINT "HELLO"

QUOTE INPUT

100 POKE 198,1:POKE 631,34
110 INPUT A$

VERTICAL LINE

100 FOR R =1 TO 24:POKE 55296+33+40*R,5:POKE 1024+30+40*R,71:NEXT R

CURSOR BLINKING

POKE 788,55 : REM OR POKE 788,60 OR 78 OR 77 OR 71 OR 72 OR 73

TYPEWRITER EFFECT

Below the version without any special char. Just to be sure that you will be able to display the effect.

100 A$="THIS IS A TEST"
110 FOR I = 1 TO LEN(A$)
120 PRINT MID$(A$,I,1);: REM ONE SINGLE CHAR
122 PRINT CHR$(18);: REM REVERSE ON
124 PRINT " ";: REM THE CURSOR
126 PRINT CHR$(146);: REM REVERSE OFF
128 PRINT CHR$(157);: REM CURSOR LEFT
130 FOR J = 1 TO 50:NEXT J
140 NEXT I: PRINT " "

In the video below the effect is shown with the special char.