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Merge pull request #82 from Kreeblah/snes_clockgen_file

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Load SNES clock generator offset from SD card
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sanni 2021-01-27 08:20:24 +01:00 committed by GitHub
commit bfcf20142e
4 changed files with 3901 additions and 3854 deletions
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3494
Cart_Reader/NP.ino
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4226
Cart_Reader/SNES.ino
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27
Cart_Reader/snes_clk.cpp Normal file
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#include "snes_clk.h"
#include <SdFat.h>
int32_t readClockOffset() {
File clock_file;
unsigned char* clock_buf;
int16_t i;
int32_t clock_offset;
if(!clock_file.open("/snes_clk.txt", FILE_READ)) {
return INT32_MIN;
}
clock_buf = malloc(16 * sizeof(char));
i = clock_file.read(clock_buf, 16);
clock_file.close();
if(i == -1) {
free(clock_buf);
return INT32_MIN;
} else if(i < 16) {
clock_buf[i] = 0;
}
clock_offset = (int32_t)atoi(clock_buf);
free(clock_buf);
return clock_offset;
}

8
Cart_Reader/snes_clk.h Normal file
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#ifndef _SNES_CLK_H
#define _SNES_CLK_H
#include <SdFat.h>
int32_t readClockOffset();
#endif