#include "instructions.h"

void emulate() {
    while (1) {
        uint32_t addr = physical_addr(CS, IP);
        uint8_t opcode = ram[addr];
        instrHandler handler = instr_table[opcode];

        IP++;

        if (handler) handler();
        else {
            std::cout << "unknown opcode " << std::hex << opcode << "\n";
            break;
        }
    }
}

int main(int argc, char* argv[]) {
    CS = 0x0000;
    IP = 0x0000;

    if (argc < 2) {
        std::cerr << "usage: " << argv[0] << "<filename>\n";
        return 1;
    }

    char* filename = argv[1];
    if (!load_binary(filename, 0x0100)) {
        return 1;
    }

    init_instr_table();
    emulate();
    return 0;
}