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macros.h
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macros.h
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/*
This file is part of Manic Pietro.
Manic Pietro 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 3 of the License, or
(at your option) any later version.
Manic Pietro 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 Manic Pietro. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef MACROS_H
#define MACROS_H
#define BIT_SET(a, b)(a |= (1 << b)) /* a=target variable, b=bit number to act upon 0-n */
#define BIT_CLR(a, b)(a &= ~(1 << b)) /* a=target variable, b=bit number to act upon 0-n */
#define BIT_FLP(a, b)(a ^= (1 << b)) /* a=target variable, b=bit number to act upon 0-n */
#define BIT_CHK(a, b)(a & (1 << b)) /* a=target variable, b=bit number to act upon 0-n */
#define PEEK(addr) (*(unsigned char *)(addr))
#define POKE(addr, data) (*(unsigned char *)(addr) = (data))
//#define CALC_INDEX(l, c)(c+ ((l >> 3) << 5))
#endif