10 REM DISK ERROR.›20 GRAPHICS 0›25 REM LOAD SAMPLE.›30 OPEN #1,4,128,"D:DERR.SPL"›40 X=USR(1536,1,10240,2048)›50 CLOSE #1›100 REM PLAY SAMPLE.›110 X=USR(1539,9,40,48)›