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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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Task/Rate-counter/XPL0/rate-counter.xpl0 Normal file
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include c:\cxpl\codes; \intrinsic 'code' declarations
int N, I, T0, Time;
[for N:= 1, 3 do
[T0:= GetTime;
for I:= 1 to 100 do
[while port($3DA) & $08 do []; \wait for vertical retrace to go away
repeat until port($3DA) & $08; \wait for vertical retrace signal
];
Time:= GetTime - T0;
IntOut(0, Time); Text(0, " microseconds for 100 samples = ");
RlOut(0, 100.0e6/float(Time)); Text(0, "Hz"); CrLf(0);
];
]