bmem.h

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// -*- coding: utf-8-unix -*-
/*
 * Copyright (c) 2021-2024 Daishi Mori (mori0091)
 *
 * This software is released under the MIT License.\n
 * See https://github.com/mori0091/libmsx/blob/main/LICENSE
 *
 * GitHub libmsx project\n
 * https://github.com/mori0091/libmsx
 */
#pragma once
 
#include <stdint.h>
#ifndef BMEM_H_
#define BMEM_H_
 
#include <vmem.h>
 
typedef uint32_t bmemptr_t;
 
inline uint8_t bmem_bank_of(bmemptr_t loc) {
  return (uint8_t)((loc >> 14) & 255);
}
 
uint8_t bmem_get_bank(void) __naked;
 
void bmem_set_bank(uint8_t bank) __naked;
 
uint8_t bmem_get(bmemptr_t src);
 
uint16_t bmem_get_u16(bmemptr_t src);
 
void bmem_read(bmemptr_t src, void* dst, uint16_t len);
 
void bmem_copy_to_vmem(bmemptr_t src, vmemptr_t dst, uint32_t len);
 
void bmem_bload_s(bmemptr_t src);
 
#endif // BMEM_H_