mirror of https://github.com/trudnai/Steve2.git
91 lines
2.0 KiB
C
91 lines
2.0 KiB
C
//
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// common.h
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// 6502
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//
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// Created by Tamas Rudnai on 7/14/19.
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// Copyright © 2019, 2020 Tamas Rudnai. All rights reserved.
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//
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// This file is part of Steve ][ -- The Apple ][ Emulator.
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//
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// Steve ][ 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 3 of the License, or
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// (at your option) any later version.
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//
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// Steve ][ is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU 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
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// along with Steve ][. If not, see <https://www.gnu.org/licenses/>.
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//
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#ifndef __COMMON_H__
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#define __COMMON_H__
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#include <stdio.h>
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#include <unistd.h>
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#ifdef DEBUG
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#define INLINE
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#else
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#define INLINE static __attribute__((always_inline))
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#endif
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#ifdef DEBUG
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//#define dbgPrintf(format, ...) if(outdev) fprintf(outdev, format, ## __VA_ARGS__)
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#define dbgPrintf(format, ...)
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#define dbgPrintf2(format, ...) if(outdev) fprintf(outdev, format, ## __VA_ARGS__)
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#else
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#define dbgPrintf(format, ...)
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#define dbgPrintf2(format, ...)
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#endif
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#define K 1000ULL
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#define M (K * K)
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#define G (M * K)
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#define T (G * K)
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#define PG 256ULL
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#define KB 1024ULL
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#define MB (KB * KB)
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#define GB (MB * KB)
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#define TB (GB * KB)
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// calculates number of cycles in one frame
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#define MHZ(mhz) ( (mhz) * M )
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#define FRAME(mhz) ( MHZ(mhz) / fps )
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#define FRAME_INIT(mhz) ( MHZ(mhz) / DEFAULT_FPS )
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typedef
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union {
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uint8_t bits;
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struct {
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uint8_t b0:1;
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uint8_t b1:1;
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uint8_t b2:1;
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uint8_t b3:1;
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uint8_t b4:1;
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uint8_t b5:1;
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uint8_t b6:1;
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uint8_t b7:1;
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};
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} bits_t;
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//#define BITTEST(n,x) ((bits_t)(n)).b##x
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//#define BITTEST(n,x) (( (n) >> (x) ) & 1)
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#define BITTEST(n,x) ( (n) & (1 << (x)) )
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extern FILE * outdev;
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#endif // __COMMON_H__
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