119 lines
2.5 KiB
C
119 lines
2.5 KiB
C
#include <stdio.h>
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#include "asm_rules.c"
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void bin_to_hex(char *tryte, int *hex) {
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char *a = tryte;
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long num = 0;
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do {
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long b = *a=='1'?1:0;
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num = (num<<1)|b;
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a++;
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} while (*a);
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*hex = num;
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}
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void asm_to_hex(char *_asm, int *opcode, int *in0, int *in1, int *out){
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char tryte[108] = "\0";
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char t0[26] = "\0";
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char t1[26] = "\0";
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char t2[26] = "\0";
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char t3[26] = "\0";
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int size = sizeof(_asm)/sizeof(_asm[0]);
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//convert assembly to formated binary representation of ternary
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for (int i = 0; i < sizeof(_asm)/4; i++) {
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//printf("%c",_asm[i]);
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if(_asm[i]=='-') {
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strcat(tryte, "10");
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} else if (_asm[i]=='+') {
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strcat(tryte, "01");
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} else {
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strcat(tryte, "00");
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}
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}
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bin_to_hex(t0, opcode);
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bin_to_hex(t1, in0);
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bin_to_hex(t2, in1);
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bin_to_hex(t3, out);
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}
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int main(int argc, char **argv) {
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FILE *dest_asm;
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FILE *src_asm;
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if (argc > 2) {
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for (int i = 1 ; i < argc; i++) {
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if (strcmp("-i", argv[i]) == 0 || strcmp("--input", argv[i]) == 0) {
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src_asm = fopen(argv[i+1], "r");
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i=i+1;
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} else if (strcmp("-o", argv[i]) == 0 || strcmp("--output", argv[i]) == 0) {
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dest_asm = fopen(argv[i+1], "w");
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i=i+1;
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} else if (strcmp("-h", argv[i]) == 0 || strcmp("--help", argv[i]) == 0) {
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printf("Usage: tasm [options] file...\n");
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printf("Options:\n");
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printf("-h,--help Prints this information\n");
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printf("-i,--input <arg> Path of input file\n");
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printf("-o,--output <arg> Path of output file\n");
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return 0;
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} else {
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printf("unknown argument: %s\n", argv[i]);
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return 1;
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}
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}
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} else {
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printf("tasm: no input file\n");
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return 1;
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}
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unsigned int size=0; //keeps the size of the assembled program
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char in_asm[64];
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char out_asm[27];
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int hex_op;
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int hex_in0;
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int hex_in1;
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int hex_out;
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while(fgets(in_asm, sizeof(in_asm), src_asm)) {
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hex_op = 0;
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hex_in0 = 0;
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hex_in1 = 0;
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hex_out = 0;
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if (in_asm[strlen(in_asm)-1] == '\n') {
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in_asm[strlen(in_asm)-1] = '\0'; //cleans newline from string
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}
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if (!(in_asm[0] == '\0')){ // if in_asm is an empty, skip
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asm_rules(in_asm, out_asm);
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asm_to_hex(out_asm, &hex_op, &hex_in0, &hex_in1, &hex_out);
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printf("%.5x %.5x %.5x %.5x\n", hex_op, hex_in0, hex_in1, hex_out);
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fprintf(dest_asm,"%.5x ", hex_op);
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fprintf(dest_asm,"%.5x ", hex_in0);
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fprintf(dest_asm,"%.5x ", hex_in1);
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fprintf(dest_asm,"%.5x \n", hex_out);
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// Write the hex to a file
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size = size + 3; //1 word = 3trytes
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}
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}
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printf("\n%u trytes\n\n", size);
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// Close the file
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fclose(dest_asm);
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fclose(src_asm);
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return 0;
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}
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