72 lines
1.6 KiB
C++
72 lines
1.6 KiB
C++
#include "Emu6502.h"
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#include "addressbus.h"
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#include <fstream>
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#include <iostream>
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#include <set>
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#include <cstdlib>
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int main(int argc, char *argv[]) {
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AddressBus mem;
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/* Load some test program into memory */
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mem.write(0x0200, 0xEA); // NOP
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mem.write(0x0201, 0xEA); // NOP
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mem.write(0x0202, 0xA9); // LDA #$5A
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mem.write(0x0203, 0x5A); //
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mem.write(0x0204, 0x85); // STA $88
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mem.write(0x0205, 0x88); //
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mem.write(0x0206, 0xA9); // LDA #$23
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mem.write(0x0207, 0x23); //
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mem.write(0x0208, 0xD0); // BNE $0200
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mem.write(0x0209, 0xF6); //
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mem.write(0xFFFC, 0x02); // RESET --> $0202
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mem.write(0xFFFD, 0x02);
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std::ifstream if_trans("transistors");
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if (!if_trans.is_open()) {
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std::cerr << "error opening file: transistors" << std::endl;
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exit(EXIT_FAILURE);
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}
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Emu6502 emu(if_trans, mem);
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/* turn on the CPU */
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std::cout << "----------------------------------------" << std::endl;
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std::cout << "begin power-up..." << std::endl;
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emu.powerOn();
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std::cout << "end power-up..." << std::endl;
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std::cout << "----------------------------------------" << std::endl;
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/* run it a bit, before resetting */
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std::cout << "some power-up pre-reset cycles..." << std::endl;
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for (int i(0); i < 10; ++i) {
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emu.tick();
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}
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std::cout << "----------------------------------------" << std::endl;
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/* reset the CPU, and let it run for a little while, then exit */
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std::cout << "RESET..." << std::endl;
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emu.reset();
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for (int i(0); i < 50; ++i) {
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emu.tick();
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}
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return EXIT_SUCCESS;
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}
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