Here is a short Demo for the piGFX Terminal Emulator, written in Basic ;)

1 PRINT CHR$(27);"[2J";
2 PRINT CHR$(27);"[50;60H";
3 PRINT "piGFX TEST on a PAL-1"
4 FOR K=1 TO 100
5 NEXT K
6 PRINT CHR$(27);"[=1m"
9 FOR I=1 TO 50
10 GOSUB 80:X$=D$
11 GOSUB 80:Y$=D$
12 GOSUB 80:W$=D$
13 GOSUB 80:H$=D$
14 GOSUB 80:CO$=D$
29 PRINT CHR$(27);"[38;5;";CO$;"m";
30 PRINT CHR$(27);"[#";X$;";";Y$;";";W$;";";H$;"r";
40 NEXT I
41 PRINT CHR$(27);"[2J"
49 FOR J = 1 TO 50 
50 GOSUB 80:X$=D$
51 GOSUB 80:Y$=D$
52 GOSUB 80:W$=D$
54 GOSUB 80:CO$=D$
59 PRINT CHR$(27);"[38;5;";CO$;"m";
60 PRINT CHR$(27);"[#";X$;";";Y$;";";W$;"c";
61 NEXT J
62 PRINT: PRINT CHR$(27);"[20;20H";
63 PRINT "Thats it folks. Greetings to"
64 GOSUB 80:X$=D$:GOSUB 80:Y$=D$
65 PRINT: PRINT CHR$(27);"[";X$;";";Y$;"H";"JOHN, LIU"
66 GOSUB 80:X$=D$:GOSUB 80:Y$=D$
67 PRINT: PRINT CHR$(27);"[";X$;";";Y$;"H";"HANS, HJM"
68 GOSUB 80:X$=D$:GOSUB 80:Y$=D$
69 PRINT: PRINT CHR$(27);"[";X$;";";Y$;"H";"And all the rest of the ";
70 PRINT "KIM-1 Crew"
71 PRINT CHR$(27);"[=0m"
79 END
80 REM Random Generator wo leading Space
81 A=RND(2):A=RND(2)*300
82 B=INT(A):C$=STR$(B):D$=MID$(C$,2)
83 RETURN