62 lines
1.2 KiB
C
62 lines
1.2 KiB
C
/**************************************************************************
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*
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* FILE memory.h
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* Copyright (c) 2015 Daniel Kahlin <daniel@kahlin.net>
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* Written by Daniel Kahlin <daniel@kahlin.net>
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*
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* DESCRIPTION
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* handling of memory layouts
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*
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******/
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#ifndef MEMORY_H
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#define MEMORY_H
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#include <stdint.h>
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#include <stdlib.h>
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typedef uint32_t mem_ptr_t;
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typedef struct {
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uint8_t *buf;
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size_t size;
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int low;
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int high;
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} Memory;
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Memory *create_memory(size_t size);
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void destroy_memory(Memory *mem);
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uint8_t get_byte(Memory *mem, mem_ptr_t ad);
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void set_byte(Memory *mem, mem_ptr_t ad, uint8_t val);
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uint16_t get_word(Memory *mem, mem_ptr_t ad);
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void set_word(Memory *mem, mem_ptr_t ad, uint16_t val);
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size_t insert_mem(Memory *dmem, mem_ptr_t da, uint8_t *src, size_t len);
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enum mode_t {
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MODE_NORMAL = 0,
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MODE_NEWADDR,
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MODE_RAW
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};
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typedef struct {
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char *name;
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enum mode_t mode;
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mem_ptr_t la;
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int offs;
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int len;
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} file_t;
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void load_mem(Memory *mem, file_t *f, mem_ptr_t *aptr, size_t *lptr);
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void load_file_to_memory(Memory *mem, const char *name);
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void save_file_from_memory(Memory *mem, const char *name);
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#endif /* MEMORY_H */
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/* eof */
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