/* sd2snes - SD card based universal cartridge for the SNES Copyright (C) 2009-2010 Maximilian Rehkopf AVR firmware portion Inspired by and based on code from sd2iec, written by Ingo Korb et al. See sdcard.c|h, config.h. FAT file system access based on code by ChaN, Jim Brain, Ingo Korb, see ff.c|h. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; version 2 of the License only. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA smc.h: SMC file structures */ #ifndef SMC_H #define SMC_H #define DSPFW_1 ((const uint8_t*)"/sd2snes/dsp1.bin") #define DSPFW_2 ((const uint8_t*)"/sd2snes/dsp2.bin") #define DSPFW_3 ((const uint8_t*)"/sd2snes/dsp3.bin") #define DSPFW_4 ((const uint8_t*)"/sd2snes/dsp4.bin") #define DSPFW_1B ((const uint8_t*)"/sd2snes/dsp1b.bin") #define DSPFW_ST0010 ((const uint8_t*)"/sd2snes/st0010.bin") #define CX4FW ((const uint8_t*)"/sd2snes/cx4.bin") #define FPGA_CX4 ((const uint8_t*)"/sd2snes/fpga_cx4.bit") typedef struct _snes_header { uint8_t maker[2]; /* 0xB0 */ uint8_t gamecode[4]; /* 0xB2 */ uint8_t fixed_00[7]; /* 0xB6 */ uint8_t expramsize; /* 0xBD */ uint8_t specver; /* 0xBE */ uint8_t carttype2; /* 0xBF */ uint8_t name[21]; /* 0xC0 */ uint8_t map; /* 0xD5 */ uint8_t carttype; /* 0xD6 */ uint8_t romsize; /* 0xD7 */ uint8_t ramsize; /* 0xD8 */ uint8_t destcode; /* 0xD9 */ uint8_t licensee; /* 0xDA */ uint8_t ver; /* 0xDB */ uint16_t cchk; /* 0xDC */ uint16_t chk; /* 0xDE */ uint32_t pad1; /* 0xE0 */ uint16_t vect_cop16; /* 0xE4 */ uint16_t vect_brk16; /* 0xE6 */ uint16_t vect_abt16; /* 0xE8 */ uint16_t vect_nmi16; /* 0xEA */ uint16_t vect_irq16; /* 0xEE */ uint16_t pad2; /* 0xF0 */ uint16_t vect_cop8; /* 0xF4 */ uint32_t pad3; /* 0xF6 */ uint16_t vect_abt8; /* 0xF8 */ uint16_t vect_nmi8; /* 0xFA */ uint16_t vect_reset; /* 0xFC */ uint16_t vect_brk8; /* 0xFE */ } snes_header_t; typedef struct _snes_romprops { uint16_t offset; /* start of actual ROM image */ uint8_t mapper_id; /* FPGA mapper */ uint8_t pad1; /* for alignment */ uint32_t expramsize_bytes; /* ExpRAM size in bytes */ uint32_t ramsize_bytes; /* CartRAM size in bytes */ uint32_t romsize_bytes; /* ROM size in bytes (rounded up) */ const uint8_t *dsp_fw; /* DSP (NEC / Hitachi) ROM filename */ const uint8_t *fpga_conf; /* FPGA config file to load (default: base) */ uint8_t has_dspx; /* DSP[1-4] presence flag */ uint8_t has_st0010; /* st0010 presence flag (additional to dspx) */ uint8_t has_msu1; /* MSU1 presence flag */ uint8_t has_cx4; /* CX4 presence flag */ uint8_t fpga_features; /* feature/peripheral enable bits*/ uint8_t region; /* game region (derived from destination code) */ snes_header_t header; /* original header from ROM image */ } snes_romprops_t; void smc_id( snes_romprops_t * ); uint8_t smc_headerscore( uint32_t addr, snes_header_t *header ); #endif