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104 lines (78 loc) · 2.14 KB
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Copy pathoutput.c
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104 lines (78 loc) · 2.14 KB
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#include "assembler.h"
#include <stdio.h>
int write_absolute_binary(const char* filename, const output_t *out) {
FILE *f = fopen(filename, "wb");
if (!f) {
perror("fopen");
return -1;
}
uint16_t addr = out->start_addr;
uint16_t i = 0;
while (i < out->size) {
// First, output the block size
int remaining = out->size - i;
int16_t block_size = remaining > 16 ? 16 : (int16_t)remaining;
block_size = -block_size;
fwrite(&block_size, sizeof(int16_t), 1, f);
// Next, output the address
fwrite(&addr, sizeof(uint16_t), 1, f);
// Next, output, the checksum
uint16_t running_total = 0;
for (uint16_t j = 0; j < -block_size; j++) {
running_total += out->data[i + j];
}
uint16_t checksum = -(block_size + addr + running_total);
fwrite(&checksum, sizeof(uint16_t), 1, f);
// Lastly, output the data itself
for (uint16_t j = 0; j < -block_size; j++) {
fwrite(&(out->data[i + j]), sizeof(uint16_t), 1, f);
}
i += -block_size;
addr += -block_size;
}
return 0;
}
int write_raw_binary(const char *filename, const output_t *out) {
FILE *f = fopen(filename, "wb");
if (!f) {
perror("fopen");
return -1;
}
fwrite(out->data, sizeof(uint16_t), out->size, f);
fclose(f);
return 0;
}
int write_octal_listing(FILE *stream, const output_t *out) {
if (!stream || !out)
return -1;
uint16_t addr = out->start_addr;
for (uint16_t i = 0; i < out->size; i++, addr++) {
fprintf(stream, "%06o: %06o\n",
addr,
out->data[i]);
}
return 0;
}
int write_octal_simh(FILE *stream, const output_t* out) {
if (!stream || !out)
return -1;
uint16_t addr = out->start_addr;
for (uint16_t i = 0; i < out->size; i++, addr++) {
fprintf(stream, "dep %06o %06o\n",
addr,
out->data[i]);
}
return 0;
}
int write_octal_eclipse(FILE *stream, const output_t *out) {
if (!stream || !out)
return -1;
uint16_t addr = out->start_addr;
fprintf(stream, "K0%o/%#o\n", addr, out->data[0]);
for (uint16_t i = 1; i < out->size; i++, addr++) {
fprintf(stream, "%#o\n",
out->data[i]);
}
fprintf(stream, "K\n");
return 0;
}