Beginners' All-purpose Symbolic Instruction Code
내가 첫 번째로 배웠던 운영체계를 품은 초보자를 위한 언어
MSX-BASIC
10 S=0
20 I=0
30 READ A
40 IF A=-1 THEN 100
50 S=S+A
60 I=I+1
70 GOTO 30
100 PRINT I; "item(s)"
110 PRINT "The sum is "; S
120 END
1000 DATA 1, 2, 3, 4, 5, -1
Atari BASIC
999-802-000IS_Programmers_Guide_PC6300_GWBASIC_by_Microsoft_1985.pdf