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gbdk-2020/gbdk-support/makecom/bin_to_com.h
2022-03-09 17:05:03 -08:00

31 lines
1.3 KiB
C

// This is free and unencumbered software released into the public domain.
// For more information, please refer to <https://unlicense.org>
// bbbbbr 2020
#ifndef _BIN_TO_COM_H
#define _BIN_TO_COM_H
#define MAX(a, b) ((a > b) ? a : b)
#define BANKS_MAX_COUNT 256
#define BANKS_MAX_ID (BANKS_MAX_COUNT - 1)
#define BANK_SIZE (0x4000u)
#define BANK_START_ADDR (0x0000u)
#define BANK_0 0
#define BANK_0_ADDR_OFFSET 0x100
#define BANK_GET_NUM(addr) ((addr & 0xFFFF0000U) >> 16)
#define WITHOUT_BANK(addr) (addr & 0x0000FFFFU)
// Converts a symbol bank address such as 0x34000 to a bin/rom address such as 0x12000 (i.e: ~0x4000 * 3)
// Make sure base bank addess doesn't go negative
#define BANK_GET_ROM_ADDR(addr) ( (MAX(WITHOUT_BANK(addr), BANK_SIZE) - BANK_SIZE) + (BANK_SIZE * BANK_GET_NUM(addr)) )
// Apply bank 0 address offset and make sure it doesn't go negative
#define BANK_0_RELOC_ADDR(addr) (MAX((addr), BANK_0_ADDR_OFFSET) - BANK_0_ADDR_OFFSET)
void copy_data(uint16_t bank_num, uint32_t rom_src_addr, uint32_t bank_out_addr, uint32_t length);
uint8_t * bank_get_ptr(uint16_t bank_num);
void copy_to_bank(uint16_t bank_num, uint32_t rom_src_addr, uint32_t bank_out_addr, uint32_t length);
void banks_cleanup(void);
int bin2com(void);
#endif // _BIN_TO_COM_H