gbdk-2020 | GameBoy Development Kit |
| download: https://git.y1.nz/archives/gbdk.tar.gz | |
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gbdk-support/makecom/bin_to_com.h
1 // This is free and unencumbered software released into the public domain.
2 // For more information, please refer to <https://unlicense.org>
3 // bbbbbr 2020
4
5 #ifndef _BIN_TO_COM_H
6 #define _BIN_TO_COM_H
7
8 #define MAX(a, b) ((a > b) ? a : b)
9 #define BANKS_MAX_COUNT 256
10 #define BANKS_MAX_ID (BANKS_MAX_COUNT - 1)
11 #define BANK_SIZE (0x4000u)
12 #define BANK_START_ADDR (0x0000u)
13 #define BANK_0 0
14 #define BANK_0_ADDR_OFFSET 0x100
15
16 #define BANK_GET_NUM(addr) ((addr & 0xFFFF0000U) >> 16)
17 #define WITHOUT_BANK(addr) (addr & 0x0000FFFFU)
18 // Converts a symbol bank address such as 0x34000 to a bin/rom address such as 0x12000 (i.e: ~0x4000 * 3)
19 // Make sure base bank addess doesn't go negative
20 #define BANK_GET_ROM_ADDR(addr) ( (MAX(WITHOUT_BANK(addr), BANK_SIZE) - BANK_SIZE) + (BANK_SIZE * BANK_GET_NUM(addr)) )
21
22 // Apply bank 0 address offset and make sure it doesn't go negative
23 #define BANK_0_RELOC_ADDR(addr) (MAX((addr), BANK_0_ADDR_OFFSET) - BANK_0_ADDR_OFFSET)
24
25 void copy_data(uint16_t bank_num, uint32_t rom_src_addr, uint32_t bank_out_addr, uint32_t length);
26 uint8_t * bank_get_ptr(uint16_t bank_num);
27 void copy_to_bank(uint16_t bank_num, uint32_t rom_src_addr, uint32_t bank_out_addr, uint32_t length);
28 void banks_cleanup(void);
29 int bin2com(void);
30
31 #endif // _BIN_TO_COM_H
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