94 lines
No EOL
2.3 KiB
C
94 lines
No EOL
2.3 KiB
C
#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include "program_loader.h"
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#include "cpu.h"
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int main(int argc, char *argv[]) {
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if (argc == 1) {
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fprintf(stderr, "Usage: criscv <binary program>\n");
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return 1;
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}
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AddressSpace *addressSpace = create_address_space(256, 256);
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printf("Address space: %dB ROM, %dB RAM\n", addressSpace->romSize, addressSpace->ramSize);
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if (load_to_rom(argv[1], addressSpace) != 0) {
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fprintf(stderr, "Error loading program\n");
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return 1;
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}
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CPU cpu = create_cpu(addressSpace);
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cpu.registers[1] = addressSpace->romSize + addressSpace->ramSize; // make jumping to x1 end the program
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printf("\n----- Start of program -----");
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int code;
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uint32_t cycles = 0;
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while ((code = cpu_cycle(&cpu)) == 0) {
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cycles++;
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//sleep(1);
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}
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printf("\n\n----- End of program -----\n");
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printf("\n Emulator exit code: \033[1m%d\033[0m\n", code);
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printf(" Program exit code: \033[1m%d\033[0m (x10)\n", cpu.registers[10]);
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printf(" Cycles: \033[1m%u\033[0m\n\n", cycles);
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int cols[8] = {0};
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int total = 0;
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for (int col=0; col<8; col++) {
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int len;
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for (int row=0; row<4; row++) {
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int i = 8 * row + col;
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len = snprintf(NULL, 0, "%d: \033[1m0x%X\033[0m (%u)", i, cpu.registers[i], cpu.registers[i]);
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if (len > cols[col]) {
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cols[col] = len;
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}
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}
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total += len;
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}
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printf("+");
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for (int i=0; i<8; i++) {
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for (int j=0; j<cols[i] - 6; j++) {
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printf("-");
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}
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printf("+");
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}
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for (int i=0; i<32; i++) {
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if (i % 8 == 0) {
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printf("\n| ");
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}
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int row = i / 8;
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int col = i - row * 8;
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int len = cols[col];
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char *entry = malloc(len);
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char *entryy = malloc(len);
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memset(entry, ' ', len);
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int flen = snprintf(entryy, len+1, "%d: \033[1m0x%X\033[0m (%u)", i, cpu.registers[i], cpu.registers[i]);
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for (int j=0; j<flen; j++) {
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entry[j] = entryy[j];
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}
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printf("%s | ", entry);
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}
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printf("\n+");
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for (int i=0; i<8; i++) {
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for (int j=0; j<cols[i] - 6; j++) {
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printf("-");
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}
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printf("+");
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}
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printf("\n");
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return 0;
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} |