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71 lines
3.5 KiB
C
71 lines
3.5 KiB
C
// The MIT License (MIT)
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//
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// Copyright (c) 2015 Stefan Arentz - http://github.com/st3fan/ewm
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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#ifndef MEM_H
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#define MEM_H
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struct cpu_t;
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typedef uint8_t (*mem_mod_t)(struct cpu_t *cpu, uint8_t b);
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uint8_t mem_get_byte(struct cpu_t *cpu, uint16_t addr);
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uint8_t mem_get_byte_abs(struct cpu_t *cpu, uint16_t addr);
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uint8_t mem_get_byte_absx(struct cpu_t *cpu, uint16_t addr);
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uint8_t mem_get_byte_absy(struct cpu_t *cpu, uint16_t addr);
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uint8_t mem_get_byte_zpg(struct cpu_t *cpu, uint8_t addr);
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uint8_t mem_get_byte_zpgx(struct cpu_t *cpu, uint8_t addr);
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uint8_t mem_get_byte_zpgy(struct cpu_t *cpu, uint8_t addr);
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uint8_t mem_get_byte_indx(struct cpu_t *cpu, uint8_t addr);
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uint8_t mem_get_byte_indy(struct cpu_t *cpu, uint8_t addr);
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uint8_t mem_get_byte_ind(struct cpu_t *cpu, uint8_t addr);
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void mem_set_byte(struct cpu_t *cpu, uint16_t addr, uint8_t v);
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void mem_set_byte_zpg(struct cpu_t *cpu, uint8_t addr, uint8_t v);
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void mem_set_byte_zpgx(struct cpu_t *cpu, uint8_t addr, uint8_t v);
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void mem_set_byte_zpgy(struct cpu_t *cpu, uint8_t addr, uint8_t v);
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void mem_set_byte_abs(struct cpu_t *cpu, uint16_t addr, uint8_t v);
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void mem_set_byte_absx(struct cpu_t *cpu, uint16_t addr, uint8_t v);
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void mem_set_byte_absy(struct cpu_t *cpu, uint16_t addr, uint8_t v);
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void mem_set_byte_indx(struct cpu_t *cpu, uint8_t addr, uint8_t v);
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void mem_set_byte_indy(struct cpu_t *cpu, uint8_t addr, uint8_t v);
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void mem_set_byte_ind(struct cpu_t *cpu, uint8_t addr, uint8_t v);
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void mem_mod_byte_zpg(struct cpu_t *cpu, uint8_t addr, mem_mod_t op);
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void mem_mod_byte_zpgx(struct cpu_t *cpu, uint8_t addr, mem_mod_t op);
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void mem_mod_byte_zpgy(struct cpu_t *cpu, uint8_t addr, mem_mod_t op);
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void mem_mod_byte_abs(struct cpu_t *cpu, uint16_t addr, mem_mod_t op);
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void mem_mod_byte_absx(struct cpu_t *cpu, uint16_t addr, mem_mod_t op);
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void mem_mod_byte_absy(struct cpu_t *cpu, uint16_t addr, mem_mod_t op);
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void mem_mod_byte_indx(struct cpu_t *cpu, uint8_t addr, mem_mod_t op);
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void mem_mod_byte_indy(struct cpu_t *cpu, uint8_t addr, mem_mod_t op);
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uint16_t mem_get_word(struct cpu_t *cpu, uint16_t addr);
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void mem_set_word(struct cpu_t *cpu, uint16_t addr, uint16_t v);
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// Private. How do we keep them private?
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uint8_t _mem_get_byte_direct(struct cpu_t *cpu, uint16_t addr);
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uint16_t _mem_get_word_direct(struct cpu_t *cpu, uint16_t addr);
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void _mem_set_byte_direct(struct cpu_t *cpu, uint16_t addr, uint8_t v);
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void _mem_set_word_direct(struct cpu_t *cpu, uint16_t addr, uint16_t v);
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#endif
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