/* * Copyright © 2008 Keith Packard * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ sfr at 0x80 P0; sfr at 0x90 P1; sfr at 0xA0 P2; sfr at 0xC6 CLKCON; sfr at 0xF1 PERCFG; sfr at 0xF2 ADCCFG; sfr at 0xF3 P0SEL; sfr at 0xF4 P1SEL; sfr at 0xF5 P2SEL; sfr at 0xFD P0DIR; sfr at 0xFE P1DIR; sfr at 0xFF P2DIR; sfr at 0x8F P0INP; sfr at 0xF6 P1INP; sfr at 0xF7 P2INP; sfr at 0x89 P0IFG; sfr at 0x8A P1IFG; sfr at 0x8B P2IFG; #define nop() _asm nop _endasm; void delay (unsigned char n) { unsigned char i = 0, j = 0; n <<= 1; while (--n != 0) while (--j != 0) while (--i != 0) nop(); } void dit() { P1 = 0xff; delay(1); P1 = 0xfd; delay(1); } void dah () { P1 = 0xff; delay(3); P1 = 0xfd; delay(1); } void charspace () { delay(2); } void wordspace () { delay(8); } #define _ dit(); #define ___ dah(); #define C charspace(); #define W wordspace(); main () { CLKCON = 0; /* Set p1_1 to output */ P1DIR = 0x02; P1INP = 0x00; P2INP = 0x00; for (;;) { ___ _ ___ _ C ___ ___ _ ___ W /* cq */ ___ _ _ C _ W /* de */ ___ _ ___ C ___ _ _ C /* kd */ ___ ___ _ _ _ C _ _ _ C /* 7s */ ___ ___ _ ___ C ___ ___ _ W /* qg */ } }