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Micro on the Apple Volume 1 (1981)(Micro Ink)[no boot].zip
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ALARM PROMPT.int
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1996-12-24
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1KB
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39 lines
1 REM ******************************
2 REM * *
3 REM * SAMPLE BASIC CALL SEQUENCE *
4 REM * FOR ALARM PROMPT ROUTINE *
5 REM * *
6 REM ******************************
7 REM
8 TASK=3000
10 OFF=0:TASK=200:TRAP=300:ALARM=3529
95 REM
96 REM ********************
97 REM MAIN LINE SEQUENCE
98 REM ********************
99 REM
100 ERR=OFF:GOSUB TASK:IF ERR THEN GOSUB TRAP
101 REM
102 REM
110 GOTO 32767
120 REM
121 REM
200 INPUT ERR:REM *** USE FOR TEST ***
210 REM
211 REM ********************
212 REM PUT ERROR DETECTING
213 REM HERE --- REPLACING
214 REM LINE 210..........
215 REM ********************
220 RETURN
298 REM
299 REM
300 POKE 50,127:PRINT "ERROR";: POKE 50,255:PRINT " TYPE A CTRL/C":CALL ALARM
310 REM
320 REM ********************
321 REM PUT ERROR RECOVERY
322 REM ROUTINE HERE......
323 REM ********************
330 REM
340 RETURN