StepFC/step2/main.c at master · dustpg/StepFC · GitHub

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#include "sfc_famicom.h"
#include "sfc_cpu.h"
#include <stdio.h>

/// <summary>
/// 应用程序入口
/// </summary>
/// <returns></returns>
int main() {
    sfc_famicom_t famicom;
    sfc_famicom_init(&famicom, NULL, NULL);
    printf(
        "ROM: PRG-ROM: %d x 16kb   CHR-ROM %d x 8kb   Mapper: %03d\n",
        (int)famicom.rom_info.count_prgrom16kb,
        (int)famicom.rom_info.count_chrrom_8kb,
        (int)famicom.rom_info.mapper_number
    );
    // V0 - NMI
    uint16_t v0 = sfc_read_cpu_address(SFC_VERCTOR_NMI + 0, &famicom);
    v0 |= sfc_read_cpu_address(SFC_VERCTOR_NMI + 1, &famicom) << 8;
    // V1 - RESET
    uint16_t v1 = sfc_read_cpu_address(SFC_VERCTOR_RESET + 0, &famicom);
    v1 |= sfc_read_cpu_address(SFC_VERCTOR_RESET + 1, &famicom) << 8;
    // V2 - IRQ/BRK
    uint16_t v2 = sfc_read_cpu_address(SFC_VERCTOR_IRQBRK + 0, &famicom);
    v2 |= sfc_read_cpu_address(SFC_VERCTOR_IRQBRK + 1, &famicom) << 8;

    char b0[SFC_DISASSEMBLY_BUF_LEN2];
    char b1[SFC_DISASSEMBLY_BUF_LEN2];
    char b2[SFC_DISASSEMBLY_BUF_LEN2];
    // 反汇编
    sfc_fc_disassembly(v0, &famicom, b0);
    sfc_fc_disassembly(v1, &famicom, b1);
    sfc_fc_disassembly(v2, &famicom, b2);

    printf(
        "NMI:     %s\n"
        "RESET:   %s\n"
        "IRQ/BRK: %s\n",
        b0, b1, b2
    );


    getchar();
    sfc_famicom_uninit(&famicom);
    return 0;
}