63 lines
2.0 KiB
C
63 lines
2.0 KiB
C
/* sd2snes - SD card based universal cartridge for the SNES
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Copyright (C) 2009-2010 Maximilian Rehkopf <otakon@gmx.net>
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AVR firmware portion
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Inspired by and based on code from sd2iec, written by Ingo Korb et al.
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See sdcard.c|h, config.h.
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FAT file system access based on code by ChaN, Jim Brain, Ingo Korb,
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see ff.c|h.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License only.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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smc.h: SMC file structures
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*/
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#ifndef SMC_H
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#define SMC_H
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typedef struct _snes_header {
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uint8_t maker[2]; // 0xB0
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uint8_t gamecode[4]; // 0xB2
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uint8_t fixed_00[7]; // 0xB6
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uint8_t expramsize; // 0xBD
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uint8_t specver; // 0xBE
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uint8_t carttype2; // 0xBF
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uint8_t name[21]; // 0xC0
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uint8_t map; // 0xD5
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uint8_t carttype; // 0xD6
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uint8_t romsize; // 0xD7
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uint8_t ramsize; // 0xD8
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uint8_t destcode; // 0xD9
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uint8_t fixed_33; // 0xDA
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uint8_t ver; // 0xDB
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uint16_t cchk; // 0xDC
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uint16_t chk; // 0xDE
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} snes_header_t;
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typedef struct _snes_romprops {
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uint16_t offset; // start of actual ROM image
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uint8_t mapper_id; // FPGA mapper
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uint8_t pad1; // for alignment
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uint32_t expramsize_bytes; // ExpRAM size in bytes
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uint32_t ramsize_bytes; // CartRAM size in bytes
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uint32_t romsize_bytes; // ROM size in bytes (rounded up)
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snes_header_t header; // original header from ROM image
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} snes_romprops_t;
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void smc_id(snes_romprops_t*);
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uint8_t smc_headerscore(snes_header_t*);
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#endif
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