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// Required headers
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
// Where the Z80 blob is stored
#define MAX_SIZE 0x2000
uint8_t blob[MAX_SIZE];
size_t blob_size;
//***************************************************************************
// Program entry point
//***************************************************************************
int main(int argc, char **argv) {
// Check number of arguments
if (argc != 3) {
fprintf(stderr, "Usage: %s <input> <output>\n", argv[0]);
return EXIT_FAILURE;
}
// Open input file
FILE *file = fopen(argv[1], "rb");
if (file == NULL) {
fputs("Error: couldn't open input file\n", stderr);
return EXIT_FAILURE;
}
// Read the blob into memory and get its filesize
// Use ferror() to check for failure since most likely we will be
// attempting to read more data than is actually in the blob
blob_size = fread(blob, 1, MAX_SIZE, file);
if (ferror(file) && !feof(file)) {
fputs("Error: couldn't read input file\n", stderr);
fclose(file);
return EXIT_FAILURE;
}
// Done with input file
fclose(file);
// Open output file
file = fopen(argv[2], "w");
if (file == NULL) {
fputs("Error: couldn't open output file\n", stderr);
return EXIT_FAILURE;
}
// Start the table
fputs("static uint8_t echo_blob[] = {", file);
// Output the blob data as a C array
// Pretty formatting too!
unsigned i;
for (i = 0; i < blob_size; i++) {
fprintf(file, "%s%3u%s",
i % 0x10 == 0 ? "\n " : "", blob[i],
i == blob_size-1 ? "" : ",");
}
// End the table
fputs("\n};\n", file);
// Check if there was an error (to output an error message)
if (ferror(file)) {
fputs("Error: couldn't write output file\n", stderr);
fclose(file);
return EXIT_FAILURE;
}
// Done with output file
fclose(file);
// Done
return EXIT_SUCCESS;
}
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