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[/] [eco32/] [trunk/] [tools/] [chrgen/] [mkinit.c] - Rev 302
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/* * mkinit.c -- generate Verilog defparam statements from C data */ #include <stdio.h> #include <stdlib.h> #include <string.h> #define LO_FILE_NAME "chrgenlo.init" #define HI_FILE_NAME "chrgenhi.init" unsigned char data[] = { #include "font-8x16" }; unsigned char reflect(unsigned char c) { unsigned char r; int i; r = 0; for (i = 0; i < 8; i++) { r <<= 1; if (c & 1) { r |= 1; } c >>= 1; } return r; } int main(void) { FILE *outFile; int i, j; unsigned char b[32]; if (sizeof(data) != 256 * 16) { printf("Error: wrong size of data\n"); exit(1); } outFile = fopen(LO_FILE_NAME, "w"); if (outFile == NULL) { printf("Error: cannot open file '%s'\n", LO_FILE_NAME); exit(1); } for (i = 0; i < 64; i++) { fprintf(outFile, " defparam character_rom_lo.INIT_%02X = 256'h", i); for (j = 0; j < 32; j++) { b[j] = data[i * 32 + j + 0 * 16]; } for (j = 31; j >= 0; j--) { fprintf(outFile, "%02X", reflect(b[j])); } fprintf(outFile, ";\n"); } fclose(outFile); outFile = fopen(HI_FILE_NAME, "w"); if (outFile == NULL) { printf("Error: cannot open file '%s'\n", HI_FILE_NAME); exit(1); } for (i = 0; i < 64; i++) { fprintf(outFile, " defparam character_rom_hi.INIT_%02X = 256'h", i); for (j = 0; j < 32; j++) { b[j] = data[i * 32 + j + 128 * 16]; } for (j = 31; j >= 0; j--) { fprintf(outFile, "%02X", reflect(b[j])); } fprintf(outFile, ";\n"); } fclose(outFile); return 0; }
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