49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
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/*
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This file is part of Emu-Pizza
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Emu-Pizza 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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Emu-Pizza 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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You should have received a copy of the GNU General Public License
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along with Emu-Pizza. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef Z80_REGS_H
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#define Z80_REGS_H
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#include <stdint.h>
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/* structs emulating z80 registers and flags */
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typedef struct z80_flags_s
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{
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uint8_t spare:4;
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uint8_t cy:1;
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uint8_t ac:1;
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uint8_t n:1;
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uint8_t z:1;
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} z80_flags_t;
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/* flags offsets */
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#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
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#define FLAG_OFFSET_CY 4
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#define FLAG_OFFSET_AC 5
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#define FLAG_OFFSET_N 6
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#define FLAG_OFFSET_Z 7
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#endif
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#endif
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