1  REM program MEMTST.BA for M100/102
2  REM (c) 1989 Tracy Allen, 76670,326
5  CLS:PRINT"ExtRAM memory test--destroys current
6  INPUT"contents of extRAM... Proceed (Y/N)";R$
7  IF INSTR("Yy",R$) THEN 10 ELSE MENU
10 CLS:PRINT"Extram memory test.  When your 100/102"
15 PRINT"turns itself OFF, wait one minute,"
20 PRINT"    ...then turn it back ON."
25 PRINT"loading...  ";
30 GOSUB 100
35 L%=1:CALL 63173,,peek(63791)+256*peek(63791)
40 PRINT"testing..."
45 Y%=0:CALL 63189,,VARPTR(Y%)
50 PRINTUSING"test #) ##### errors detected";L%,Y%
55 IFL%=2THEN70
60 L%=2:FORI=1TO500:NEXTI
65 POWEROFF,RESUME:GOTO40
70 PRINT"space bar->rerun test, other key->MENU";
75 A$=INKEY$:IFA$=""THEN75
80 IF A$=" " THEN 10 ELSE MENU
100 REM m/l loader
110 RESTORE 150:CS=0
115 FOR AD= 63173 TO 63248 
120 READ D%:POKE AD,D%:CS=CS+D%
125 NEXT AD
130 IF CS<> 12135 THEN BEEP :PRINT"Typo in data!!?"
135 RETURN
150 DATA 34,241,246,205,240,246,113,205,252,246
151 DATA 202,203,246,195,235,246,229,17,0,0
152 DATA 205,240,246,126,185,202,226,246,19,205
153 DATA 252,246,202,220,246,235,209,217,175,211
154 DATA 232,251,201,1,179,21,33,0,0,62
155 DATA 1,243,211,232,201,120,230,96,55,226
156 DATA 4,247,63,121,23,79,120,23,230,127
157 DATA 71,35,124,230,128,201