COMMENT ⊗   VALID 00002 PAGES
C REC  PAGE   DESCRIPTION
C00001 00001
C00002 00002	INSTRUMENT QUAD
C00003 ENDMK
C⊗;
INSTRUMENT QUAD;
OSCIL[10](P4,10*MAG/P2,F1);
COSCIL(U1,P3*MAG,F4);
OUTA←OUTA+U2*P11;OUTB←OUTB+U2*P12;
OUTC←OUTC+U2*P13;OUTD←OUTD+U2*P14;
END;
NCHNS←4;
PLAY;
P11←1;P12←0;P13←0;P14←0;QUAD 0 .2 A 1000;
P11←0;P12←1;P13←0;P14←0;QUAD .2 .2 G 1000;
P11←0;P12←0;P13←1;P14←0;QUAD .4 .2 F 1000;
P11←0;P12←0;P13←0;P14←1;QUAD .6 .2 E 1000;
FINISH;