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36 lines
593 B
36 lines
593 B
15 years ago
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#define __16F873
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#include <pic16f873.h>
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typedef unsigned int word;
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word at 0x2007 CONFIG = _CP_OFF & _WDT_OFF & _BODEN_ON & \
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_PWRTE_ON & _HS_OSC & _WRT_ENABLE_ON & \
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_LVP_OFF & _DEBUG_OFF & _CPD_OFF;
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unsigned char count, x = 2;
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unsigned char ms_delay = 0;
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void Intr() interrupt 0 {
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ms_delay++;
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PIR1 = 0;
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PEIE = 1;
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}
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void main() {
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NOT_RBPU = 0;
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T2CON = 0x7f;
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GIE = 1;
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PEIE = 1;
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//INTCON=0xc0;
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PIR1 = 0;
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PIE1 = 2;
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PR2 = 200;
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TRISB = 0;
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ms_delay = 0;
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while(1) {
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count = ms_delay;
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x = PIE1;
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PORTB = (count & 0xf0) | (x & 0xf);
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}
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}
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