Microsoft MSX BASIC, Manual

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01 231 2456 7 89 9 87
9 1 1 1 1 9 1 1 97 1 8924 !"24#924$24% 24& '24(9 )1 8924 !"24#924$24% 24& '24(* 31 2+0
,-./01234
5647 28ÿ 828:36ÿ ;/0ÿ <2ÿ = 0;32/421ÿ 7 :ÿ /ÿ 7 >2:327 = ;/? ÿ 8/-= 8@8ÿ :A ÿ 4= -7 220ÿ BCÿ DE
/32/4ÿ <6ÿ @4= 0Fÿ 2-./0123ÿ = 07 23A /;24G ÿ H0ÿ 2-./0123ÿ .? @F4ÿ = 07 :ÿ /06ÿ I3= 8/36ÿ 5? :7
7 :ÿ .3:J= 12ÿ A :@3ÿ BCÿ DEÿ 52;:01/36ÿ 5? :7 4K ÿ 0@8<2321ÿ Lÿ 7 :ÿ MK ÿ = 047 2/1ÿ :A ÿ :02
.3= 8/36ÿ :02G ÿ ,/;>ÿ 2-./0123ÿ >/4ÿ = 7 4ÿ :N0ÿ ? :;/? ÿ >/31N/32K ÿ ;/? ? 21ÿ /ÿ 52;:01/36
5? :7 ÿ O2F= 47 23K ÿ 7 :ÿ 42? 2;7 ÿ N>= ;>ÿ :A ÿ 7 >2ÿ 52;:01/36ÿ 5? :7 4ÿ 4>:@? 1ÿ /..2/3ÿ = 0ÿ 7 >2
I3= 8/36ÿ 5? :7 G ÿ H4ÿ <2A :32ÿ ./F24ÿ ;/0ÿ <2ÿ 42? 2;7 21ÿ A 3:8ÿ 1= A A 23207 ÿ 52;:01/36
5? :7 4G
P Q R S T U V W
XYZ[ÿT
]]^_`a XYZ[ÿU
]]^_`a XYZ[ÿV
]]^_`a XYZ[ÿW
]]^_`a
bcdefgÿ ijÿ 52;:01/36ÿ 5? :7 ÿ O2F= 47 23
,/;>ÿ 52;:01/36ÿ 5? :7 ÿ O2F= 47 23K ÿ N>= ? 2ÿ /;7 @/? ? 6ÿ <2= 0Fÿ /0ÿ 2= F>7 ÿ <= 7 ÿ 32/1kN3= 7 2
? /7 ;>K ÿ = 4ÿ 8/12ÿ 7 :ÿ /..2/3ÿ /4ÿ 828:36ÿ ? :;/7 = :0ÿ llllmÿ :A ÿ = 7 4ÿ I3= 8/36ÿ 5? :7 ÿ <6
7 >2ÿ 2-./0123ÿ >/31N/32G ÿ n0ÿ :3123ÿ 7 :ÿ F/= 0ÿ /;;244ÿ 7 :ÿ 7 >= 4ÿ ? :;/7 = :0ÿ :0ÿ /
./37 = ;@? /3ÿ 2-./0123ÿ = 7 ÿ N= ? ? ÿ @4@/? ? 6ÿ <2ÿ 02;244/36ÿ 7 :ÿ A = 347 ÿ 4N= 7 ;>ÿ ./F2ÿ M
opLLLmÿ 7 :ÿ llllmqÿ :A ÿ 7 >/7 ÿ I3= 8/36ÿ 5? :7 ÿ = 07 :ÿ 7 >2ÿ .3:;244:3ÿ /113244ÿ 4./;2G
r>2ÿ 52;:01/36ÿ 5? :7 ÿ O2F= 47 23ÿ ;/0ÿ 7 >20ÿ <2ÿ 8:1= A = 21ÿ /01K ÿ = A ÿ 02;244/36K ÿ ./F2ÿ M
3247 :321ÿ 7 :ÿ = 7 4ÿ :3= F= 0/? ÿ I3= 8/36ÿ 5? :7 ÿ 427 7 = 0FG ÿ H;;244= 0Fÿ 828:36ÿ = 0ÿ 2-./01234
;/0ÿ <2;:82ÿ 3/7 >23ÿ /ÿ ;:0J:? @7 21ÿ .3:;244G
n7 ÿ = 4ÿ /../3207 ÿ 7 >/7 ÿ 7 >232ÿ 8@47 ÿ <2ÿ 4:82ÿ N/6ÿ :A ÿ 127 238= 0= 0Fÿ N>27 >23ÿ /
I3= 8/36ÿ 5? :7 ÿ ;:07 /= 04ÿ :31= 0/36ÿ OHsÿ :3ÿ /0ÿ 2-./0123ÿ = 0ÿ :3123ÿ 7 :ÿ /;;244ÿ = 7
.3:.23? 6G ÿ r:ÿ /;>= 2J2ÿ 7 >= 4ÿ 7 >2ÿ 52;:01/36ÿ 5? :7 ÿ O2F= 47 234ÿ /32ÿ 124= F021ÿ 7 :ÿ = 0J237
7 >2= 3ÿ ;:07 207 4ÿ N>20ÿ 32/1ÿ </;tG ÿ u@3= 0Fÿ 7 >2ÿ .:N23v@.ÿ OHsÿ 42/3;>ÿ 828:36
? :;/7 = :0ÿ llllmÿ :A ÿ 2/;>ÿ I3= 8/36ÿ 5? :7 ÿ = 4ÿ 2-/8= 021ÿ 7 :ÿ 127 238= 02ÿ N>27 >23ÿ = 7
<2>/J24ÿ 0:38/? ? 6ÿ :3ÿ N>27 >23ÿ 7 >2ÿ 4? :7 ÿ ;:07 /= 04ÿ /0ÿ 2-./0123G ÿ r>2ÿ 324@? 7 4ÿ :A
7 >242ÿ 7 247 4ÿ /32ÿ 47 :321ÿ = 0ÿ 7 >2ÿ w:3t4./;2ÿ H32/ÿ 4647 28ÿ 324:@3;2ÿ 8/.ÿ ,xIrEy
A :3ÿ ? /7 23ÿ @42G ÿ r>= 4ÿ = 4ÿ 1:02ÿ /7 ÿ .:N23v@.ÿ <2;/@42ÿ :A ÿ 7 >2ÿ 1= A A = ;@? 7 6ÿ = 0
.23A :38= 0Fÿ 7 247 4ÿ N>20ÿ 7 >2ÿ 52;:01/36ÿ 5? :7 ÿ O2F= 47 234ÿ /;7 @/? ? 6ÿ ;:07 /= 0ÿ ? = J2
427 7 = 0F4G
s28:36ÿ 4N= 7 ;>= 0Fÿ = 4ÿ :<J= :@4? 6ÿ /0ÿ /32/ÿ 128/01= 0Fÿ 2-7 3/ÿ ;/@7 = :0K
./37 = ;@? /3? 6ÿ N= 7 >ÿ 7 >2ÿ >= 23/3;>= ;/? ÿ 82;>/0= 484ÿ 022121ÿ 7 :ÿ ;:07 3:? ÿ 2-./01234G
p/32ÿ 8@47 ÿ <2ÿ 7 /t20ÿ 7 :ÿ /J:= 1ÿ 4N= 7 ;>= 0Fÿ :@7 ÿ 7 >2ÿ ./F2ÿ = 0ÿ N>= ;>ÿ /ÿ .3:F3/8ÿ = 4
3@00= 0Fÿ :3K ÿ = A ÿ = 7 ÿ = 4ÿ <2= 0Fÿ @421K ÿ 7 >2ÿ ./F2ÿ ;:07 /= 0= 0Fÿ 7 >2ÿ 47 /;tG ÿ r>232ÿ /32ÿ /
0@8<23ÿ :A ÿ 47 /01/31ÿ 3:@7 = 024ÿ /J/= ? /<? 2ÿ 7 :ÿ 7 >2ÿ 8/;>= 02ÿ ;:12ÿ .3:F3/8823ÿ = 0
7 >2ÿ Enz5ÿ 42;7 = :0ÿ :A ÿ 7 >2ÿ s5xÿ Ozsÿ 7 :ÿ 4= 8.? = A 6ÿ 7 >2ÿ .3:;244G
r>2ÿ EH5npÿ n07 23.327 23ÿ = 7 42? A ÿ >/4ÿ A :@3ÿ 827 >:14ÿ :A ÿ /;;244= 0Fÿ 2-7 204= :0ÿ Ozs4G
r>2ÿ A = 347 ÿ 7 >322ÿ :A ÿ 7 >242ÿ /32ÿ A :3ÿ @42ÿ N= 7 >ÿ 8/;>= 02ÿ ;:12ÿ Ozs4ÿ .? /;21ÿ = 0ÿ ./F2ÿ {
oCLLLmÿ 7 :ÿ |lllmqK ÿ 7 >26ÿ /32}
{G ÿ m::t4ÿ o p>/.7 23ÿ B qG
~G ÿ r>2ÿ €‚‚ƒÿ 47 /7 28207 ÿ o p>/.7 23ÿ „ qG
MG ÿ H11= 7 = :0/? ÿ 12J= ;2ÿ 0/824ÿ o p>/.7 23ÿ „ qG
r>2ÿ EH5npÿ n07 23.327 23ÿ ;/0ÿ /? 4:ÿ 2-2;@7 2ÿ /ÿ EH5npÿ .3:F3/8ÿ Ozsÿ 127 2;7 21ÿ = 0
./F2ÿ ~ÿ o LLLmÿ 7 :ÿ Elllmqÿ 1@3= 0Fÿ 7 >2ÿ .:N23v@.ÿ Ozsÿ 42/3;>G ÿ w>/7 ÿ 7 >2