43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
/*
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* Copyright © 2008 Keith Packard <keithp@keithp.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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*/
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sfr at 0x90 P1;
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sfr at 0xC6 CLKCON;
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sfr at 0xFE P1DIR;
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sfr at 0xF6 P1INP;
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void delay(int n) __reentrant
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{
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while (n--)
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_asm nop _endasm;
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}
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int
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main (void) __reentrant
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{
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long i;
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CLKCON = 0;
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/* Set p1_1 to output */
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P1DIR = 0x02;
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for (;;) {
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P1 ^= 0x2;
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for (i = 0; i < 1000; i++)
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delay(1000);
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}
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}
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