C++ (Cpp) z80_set_nmi_lineの例

コード例 #1

ファイル: cpu.c プロジェクト: mnstrmnch/meka

// MAIN EMULATION LOOP (MAME CORE) --------------------------------------------
void    CPU_Loop (void)
{
    for (;;)
    {
        z80_execute (opt.Cur_IPeriod);
        switch (LoopZ80 ())
        {
        case INT_IRQ: break;
        case INT_NMI: z80_set_nmi_line (ASSERT_LINE); z80_set_nmi_line (CLEAR_LINE); break;
        case INT_QUIT: return;
        }
    }
    /* z80_stop_emulating(); */
}

コード例 #2

ファイル: sms.c プロジェクト: Cpasjuste/psms

/* Run the virtual console emulation for one frame */
void sms_frame(int skip_render)
{
    /* Take care of hard resets */
    if(input.system & INPUT_HARD_RESET)
    {
        system_reset();
    }

    /* Debounce pause key */
    if(input.system & INPUT_PAUSE)
    {
        if(!sms.paused)
        {
            sms.paused = 1;

            z80_set_nmi_line(ASSERT_LINE);
            z80_set_nmi_line(CLEAR_LINE);
        }
    }
    else
    {
         sms.paused = 0;
    }

    if(snd.log) snd.callback(0x00);

    for(vdp.line = 0; vdp.line < 262; vdp.line += 1)
    {
        /* Handle VDP line events */
        vdp_run();

        /* Draw the current frame */
        if(!skip_render) render_line(vdp.line);

        /* Run the Z80 for a line */
        z80_execute(227);
    }

    /* Update the emulated sound stream */
    if(snd.enabled) 
    {
        int count;

        SN76496Update(0, snd.psg_buffer, snd.bufsize, sms.psg_mask);

        if(sms.use_fm)
        {
            int i;
            for(i = 0; i < snd.bufsize; i++)
            {
                snd.fm_buffer[i] = OPLL_calc(opll);
            }
        }

        for(count = 0; count < snd.bufsize; count += 1)
        {
            signed short left   = 0;
            signed short right  = 0;
            left = right = snd.fm_buffer[count];
            left  += snd.psg_buffer[0][count];
            right += snd.psg_buffer[1][count];
            snd.buffer[0][count] = left;
            snd.buffer[1][count] = right;
        }
    }
}