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https://opencores.org/ocsvn/eco32/eco32/trunk
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/*
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* mkkbdtbls.c -- construct keyboard translation tables
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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typedef struct {
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unsigned char ascii;
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unsigned char key;
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} Entry;
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Entry tbl1[] = {
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{ 0x1B, 0x76 },
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{ '1', 0x16 },
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{ '2', 0x1E },
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{ '3', 0x26 },
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{ '4', 0x25 },
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{ '5', 0x2E },
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{ '6', 0x36 },
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{ '7', 0x3D },
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{ '8', 0x3E },
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{ '9', 0x46 },
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{ '0', 0x45 },
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{ '^', 0x0E },
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{ 0x08, 0x66 },
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{ 0x09, 0x0D },
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{ 'q', 0x15 },
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{ 'w', 0x1D },
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{ 'e', 0x24 },
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{ 'r', 0x2D },
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{ 't', 0x2C },
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{ 'z', 0x35 },
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{ 'u', 0x3C },
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{ 'i', 0x43 },
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{ 'o', 0x44 },
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{ 'p', 0x4D },
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{ '\r', 0x5A },
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{ ' ', 0x29 },
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{ 'a', 0x1C },
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{ 's', 0x1B },
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{ 'd', 0x23 },
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{ 'f', 0x2B },
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{ 'g', 0x34 },
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{ 'h', 0x33 },
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{ 'j', 0x3B },
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{ 'k', 0x42 },
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{ 'l', 0x4B },
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{ 'y', 0x1A },
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{ 'x', 0x22 },
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{ 'c', 0x21 },
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{ 'v', 0x2A },
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{ 'b', 0x32 },
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{ 'n', 0x31 },
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{ 'm', 0x3A },
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{ ',', 0x41 },
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{ '.', 0x49 },
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{ '-', 0x4A },
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{ '+', 0x5B },
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{ '#', 0x5D },
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{ '<', 0x61 },
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};
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Entry tbl2[] = {
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{ 0x1B, 0x76 },
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{ '!', 0x16 },
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{ '"', 0x1E },
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{ '3', 0x26 },
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{ '$', 0x25 },
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{ '%', 0x2E },
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{ '&', 0x36 },
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{ '/', 0x3D },
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{ '(', 0x3E },
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{ ')', 0x46 },
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{ '=', 0x45 },
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{ '^', 0x0E },
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{ 0x08, 0x66 },
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{ 0x09, 0x0D },
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{ 'Q', 0x15 },
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{ 'W', 0x1D },
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{ 'E', 0x24 },
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{ 'R', 0x2D },
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{ 'T', 0x2C },
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{ 'Z', 0x35 },
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{ 'U', 0x3C },
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{ 'I', 0x43 },
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{ 'O', 0x44 },
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{ 'P', 0x4D },
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{ '\r', 0x5A },
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{ ' ', 0x29 },
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{ 'A', 0x1C },
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{ 'S', 0x1B },
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{ 'D', 0x23 },
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{ 'F', 0x2B },
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{ 'G', 0x34 },
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{ 'H', 0x33 },
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{ 'J', 0x3B },
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{ 'K', 0x42 },
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{ 'L', 0x4B },
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{ 'Y', 0x1A },
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{ 'X', 0x22 },
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{ 'C', 0x21 },
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{ 'V', 0x2A },
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{ 'B', 0x32 },
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{ 'N', 0x31 },
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{ 'M', 0x3A },
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{ ';', 0x41 },
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{ ':', 0x49 },
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{ '_', 0x4A },
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{ '*', 0x5B },
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{ '\'', 0x5D },
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{ '>', 0x61 },
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};
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int main(void) {
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unsigned char codes[256];
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int i, j;
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for (i = 0; i < 256; i++) {
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codes[i] = '\0';
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}
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for (i = 0; i < sizeof(tbl1)/sizeof(tbl1[0]); i++) {
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codes[tbl1[i].key] = tbl1[i].ascii;
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}
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printf(";\n");
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printf("; keyboard code tables\n");
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printf(";\n");
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printf("\n");
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printf("\t.export\txltbl1\n");
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printf("\t.export\txltbl2\n");
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printf("\n");
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printf("\t.code\n");
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printf("\t.align\t4\n");
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printf("\n");
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printf("xltbl1:\n");
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for (i = 0; i < 32; i++) {
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printf("\t.byte\t");
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for (j = 0; j < 8; j++) {
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printf("0x%02X", codes[i * 8 + j]);
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if (j < 7) {
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printf(", ");
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}
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}
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printf("\n");
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}
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printf("\n");
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for (i = 0; i < 256; i++) {
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codes[i] = '\0';
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}
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for (i = 0; i < sizeof(tbl2)/sizeof(tbl2[0]); i++) {
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codes[tbl2[i].key] = tbl2[i].ascii;
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}
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printf("xltbl2:\n");
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for (i = 0; i < 32; i++) {
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printf("\t.byte\t");
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for (j = 0; j < 8; j++) {
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printf("0x%02X", codes[i * 8 + j]);
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if (j < 7) {
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printf(", ");
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}
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}
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printf("\n");
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}
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return 0;
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}
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