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& '2* 5501 2+0
,--./00111ÿ 34567 ÿ
89: ;ÿ : ;ÿ = 9>ÿ ?@ABCDEÿ ;= F= >G>H= ÿ 9FHIJ >KL ÿ MN ÿ = 9>ÿ H>O= ÿ PKQRKFGÿ = >O= ÿ S9FKFS= >Kÿ : ;
Fÿ ?TEÿ SQH= KQJ ÿ = KFH;N >K;ÿ = Qÿ = 9>ÿ ?@ABCDUEÿ ;= F= >G>H= ÿ 9FHIJ >Kÿ V WXYZ[ \L
]= 9>K^: ;>ÿ = 9>ÿ ;SK>>Hÿ : ;ÿ N QKS>Iÿ = Qÿ = >O= ÿ GQI>_ ÿ `: Fÿ = 9>ÿ 8]8a8 ÿ ;= FHIFKI
KQb= : H>_ ÿ FHIÿ FHcÿ PKQGP= ÿ ;= K: HRÿ FHFJ cd>Iÿ V YYeY[ \ÿ FHIÿ I: ;PJ Fc>Iÿ VYYfX[\L ÿ g
hb>;= : QHÿ GFKiÿ : ;ÿ = 9>Hÿ I: ;PJ Fc>Iÿ FHIÿ Fÿ J : H>ÿ QN ÿ = >O= ÿ SQJ J >S= >Iÿ N KQGÿ = 9>ÿ SQH;QJ >
`: Fÿ = 9>ÿ jMklMk ÿ ;= FHIFKIÿ KQb= : H>L ÿ MN ÿ = 9: ;ÿ K>= bKH;ÿ mJ FRÿ nÿ Vn8olpq8]r\
SQH= KQJ ÿ = KFH;N >K;ÿ = Qÿ = 9>ÿ ?sDtBEÿ 9FHIJ >Kÿ VYemu[\L ÿ MN ÿ = 9>ÿ N : K;= ÿ S9FKFS= >Kÿ : H
Xvm ÿ : ;ÿ d>KQÿ VHbJ J ÿ : HPb= \ÿ = 9>ÿ 9FHIJ >Kÿ = >KG: HF= >;ÿ wcÿ ;i: PP: HRÿ = Qÿ = 9>ÿ >HIÿ QN ÿ = 9>
;= F= >G>H= ÿ VWxyg[\_ ÿ Q= 9>K^: ;>ÿ SQH= KQJ ÿ IKQP;ÿ : H= Qÿ = 9>ÿ SQGw: H>I
?z{,|}@ABCDEÿ 9FHIJ >KL
,--./00111ÿ 34~7 ÿ
89: ;ÿ : ;ÿ = 9>ÿ ?z{,|Eÿ ;= F= >G>H= ÿ 9FHIJ >K_ ÿ Fÿ J FKR>ÿ ;>S= : QHÿ : ;ÿ FJ ;Qÿ b;>Iÿ wcÿ = 9>
?@ABCDEÿ FHIÿ ?@ABCDUEÿ ;= F= >G>H= ;ÿ ;Qÿ = 9>ÿ ;= KbS= bK>ÿ : ;ÿ KF= 9>Kÿ F^i^FKIL ÿ uFS9
€FK: FwJ >ÿ N QbHIÿ : Hÿ = 9>ÿ PKQRKFGÿ = >O= ÿ : ;ÿ J QSF= >Iÿ : Hÿ = bKHÿ V yugW[ \_ ÿ N QKÿ >FS9ÿ QH>
= 9>ÿ SQKK>;PQHI: HRÿ IF= Fÿ : = >Gÿ : ;ÿ Qw= F: H>Iÿ FHIÿ F;;: RH>Iÿ = Qÿ = 9>ÿ €FK: FwJ >ÿ wcÿ = 9>
?{DEÿ 9FHIJ >Kÿ VWx‚e[\L ÿ ƒ9>Hÿ : Hÿ ?z{,|Eÿ GQI>ÿ = 9>ÿ IF= Fÿ : = >G;ÿ FK>ÿ = Fi>Hÿ N KQG
= 9>ÿ PKQRKFGÿ = >O= ÿ b;: HRÿ = 9>ÿ : H: = : FJ ÿ SQH= >H= ;ÿ QN ÿ „g8r8o ÿ V WnW [ \L ÿ ƒ9>Hÿ : H
?@ABCDEÿ QKÿ ?@ABCDUEÿ GQI>ÿ = 9>ÿ IF= Fÿ : = >G;ÿ FK>ÿ = Fi>Hÿ N KQGÿ = 9>ÿ = >O= ÿ wbN N >K
Xvm L
MN ÿ = 9>ÿ IF= Fÿ : = >G;ÿ FK>ÿ >O9Fb;= >Iÿ : Hÿ ?z{,|Eÿ GQI>ÿ FHÿ ?t†‡ÿˆ‰ÿ|,D,Eÿ >KKQKÿ : ;
R>H>KF= >IL ÿ MN ÿ = 9>cÿ FK>ÿ >O9Fb;= >Iÿ : Hÿ ?@ABCDEÿ GQI>ÿ = ^Qÿ hb>;= : QHÿ GFKi;ÿ FK>
I: ;PJ Fc>Iÿ FHIÿ FHQ= 9>Kÿ J : H>ÿ N >= S9>Iÿ N KQGÿ = 9>ÿ SQH;QJ >ÿ `: Fÿ = 9>ÿ jMklMk
;= FHIFKIÿ KQb= : H>L ÿ MN ÿ = 9>cÿ FK>ÿ >O9Fb;= >Iÿ : Hÿ ?@ABCDUEÿ GQI>ÿ FHQ= 9>Kÿ J : H>ÿ QN
= >O= ÿ : ;ÿ SQP: >Iÿ = Qÿ Xvm ÿ N KQGÿ = 9>ÿ K>J >`FH= ÿ MŠ]ÿ wbN N >Kÿ V Y„xe[ \L ÿ MN ÿ = 9>ÿ €FK: FwJ >
J : ;= ÿ : ;ÿ >O9Fb;= >Iÿ ^9: J >ÿ : Hÿ ?@ABCDEÿ GQI>ÿ = 9>ÿ G>;;FR>ÿ ?{‹‡.ŒÿŽˆ./-Eÿ : ;
I: ;PJ Fc>Iÿ V YYfx[ \ÿ FHIÿ = 9>ÿ 9FHIJ >Kÿ = >KG: HF= >;ÿ V Wgmm[ \L ÿ MHÿ ?@ABCDUEÿ GQI>
HQÿ G>;;FR>ÿ : ;ÿ I: ;PJ Fc>Iÿ ^9: J >ÿ : Hÿ ?z{,|Eÿ GQI>ÿ SQH= KQJ ÿ = >KG: HF= >;ÿ wc
bPIF= : HRÿ „g8r8o ÿ VYe„u[\L ÿ MN ÿ Fÿ IF= Fÿ : = >Gÿ SFHHQ= ÿ w>ÿ SQH`>K= >Iÿ = Qÿ HbG>K: S
N QKGÿ V eZ‚‚[ \ÿ = Qÿ GF= S9ÿ Fÿ HbG>K: Sÿ €FK: FwJ >ÿ SQH= KQJ ÿ = KFH;N >K;ÿ = Qÿ = 9>ÿ ?z/-ˆ
‰.ˆ‘ÿ0‡Œ.‡Eÿ KQb= : H>ÿ V WXW„[ \L
,--./00111ÿ 36’7 ÿ
89>ÿ : ;ÿ = 9>ÿ PJ F: Hÿ = >O= ÿ G>;;FR>ÿ ?{‹‡.ŒÿŽˆ./-E_ ÿ no_ ÿ lmÿ = >KG: HF= >Iÿ wcÿ F
d>KQÿ wc= >L
,--./00111ÿ 363“7 ÿ
89: ;ÿ KQb= : H>ÿ : ;ÿ b;>Iÿ wcÿ = 9>ÿ ?z{,|Eÿ 9FHIJ >Kÿ = Qÿ J QSF= >ÿ = 9>ÿ H>O= ÿ ?|,D,E
;= F= >G>H= ÿ : Hÿ = 9>ÿ PKQRKFGÿ = >O= _ ÿ = 9>ÿ FIIK>;;ÿ = Qÿ ;= FK= ÿ N KQGÿ : ;ÿ ;bPPJ : >Iÿ : H
K>R: ;= >Kÿ PF: Kÿ [lL ÿ uFS9ÿ PKQRKFGÿ ;= F= >G>H= ÿ : ;ÿ >OFG: H>Iÿ bH= : J ÿ Fÿ ?|,D,Eÿ = Qi>H
VxW[\ÿ : ;ÿ N QbHIÿ ^9>K>bPQHÿ = 9>ÿ KQb= : H>ÿ = >KG: HF= >;ÿ VWX„”[\L ÿ MN ÿ = 9>ÿ >HIÿ J : Hi
: ;ÿ K>FS9>Iÿ FHÿ ?t†‡ÿˆ‰ÿ|,D,Eÿ >KKQKÿ : ;ÿ R>H>KF= >IL ÿ g;ÿ = 9>ÿ ;>FKS9ÿ PKQS>>I;ÿ = 9>
J : H>ÿ HbGw>Kÿ QN ÿ >FS9ÿ PKQRKFGÿ J : H>ÿ : ;ÿ PJ FS>Iÿ : Hÿ „g8lMk ÿ N QKÿ b;>ÿ wcÿ = 9>ÿ >KKQK
9FHIJ >KL
,--./00111ÿ 36•7 ÿ