100 REM  FLASH DISK DRIVE LED ON 1541
110 CK=0
120 FOR X=49152 TO 49290: READ Z: CK=CK+Z
130 POKE X,Z: NEXT
140 IF CK<>18154 THEN PRINT"ERROR": END
150 SYS 49152
160 :
170 DATA 160, 62, 169, 8, 32, 177, 255, 169
180 DATA 111, 32, 147, 255, 169, 77, 32, 168
190 DATA 255, 169, 45, 32, 168, 255, 169, 87
200 DATA  32, 168, 255, 152, 32, 168, 255, 169
210 DATA   5, 32, 168, 255, 169, 1, 32, 168
220 DATA 255, 185, 77, 192, 32, 168, 255, 32
230 DATA 174, 255, 136, 16, 205, 169, 8, 32
240 DATA 177, 255, 169, 111, 32, 147, 255, 169
250 DATA  85, 32, 168, 255, 169, 51, 32, 168
260 DATA 255, 32, 174, 255, 96, 120, 41, 0
270 DATA 141, 0, 24, 169, 254, 170, 32, 38
280 DATA   5, 32, 38, 5, 202, 224, 1, 208
290 DATA 248, 32, 38, 5, 32, 38, 5, 232
300 DATA 224, 255, 208, 248, 173, 0, 24, 240
310 DATA 232, 88, 96, 138, 72, 73, 255, 168
320 DATA 169, 248, 141, 0, 28, 202, 208, 248
330 DATA 169, 240, 141, 0, 28, 136, 208, 248
340 DATA 104, 170, 96