C++ (Cpp) cpu_irq_line_vector_w Examples

Example #1

File: toki.cpp Project: fruit-bat/ct-mame4allSdl2

static void setvector_callback(int param)
{
    static int irq1,irq2;

    switch(param)
    {
	case VECTOR_INIT:
	    irq1 = irq2 = 0xff;
	    break;

	case RST10_ASSERT:
	    irq1 = 0xd7;
	    break;

	case RST10_CLEAR:
	    irq1 = 0xff;
	    break;

	case RST18_ASSERT:
	    irq2 = 0xdf;
	    break;

	case RST18_CLEAR:
	    irq2 = 0xff;
	    break;
    }

    cpu_irq_line_vector_w(sound_cpu,0,irq1 & irq2);
    if ((irq1 & irq2) == 0xff)      /* no IRQs pending */
	cpu_set_irq_line(sound_cpu,0,CLEAR_LINE);
    else    /* IRQ pending */
	cpu_set_irq_line(sound_cpu,0,ASSERT_LINE);
}

Example #2

File: m72.c Project: OS2World/APP-EMULATION-MAME

static void setvector_callback(int param)
{
	static int irqvector;

	switch(param)
	{
		case VECTOR_INIT:
			irqvector = 0xff;
			break;

		case YM2151_ASSERT:
			irqvector &= 0xef;
			break;

		case YM2151_CLEAR:
			irqvector |= 0x10;
			break;

		case Z80_ASSERT:
			irqvector &= 0xdf;
			break;

		case Z80_CLEAR:
			irqvector |= 0x20;
			break;
	}

	cpu_irq_line_vector_w(1,0,irqvector);
	if (irqvector == 0xff)	/* no IRQs pending */
		cpu_set_irq_line(1,0,CLEAR_LINE);
	else	/* IRQ pending */
		cpu_set_irq_line(1,0,ASSERT_LINE);
}

Example #3

File: taito_f3_sndhrdw.c Project: libretro/mame2003-libretro

static void timer_callback(int param)
{
	/* Only cause IRQ if the mask is set to allow it */
	if (m68681_imr&8) {
		cpu_irq_line_vector_w(1, 6, vector_reg);
		cpu_set_irq_line(1, 6, ASSERT_LINE);
		imr_status|=0x8;
	}
}

Example #4

File: m107.c Project: Ezio-PS/mame2003-libretro

static void setvector_callback(int param)
{
	static int irqvector;

	switch(param)
	{
		case VECTOR_INIT:	irqvector = 0;		break;
		case YM2151_ASSERT:	irqvector |= 0x2;	break;
		case YM2151_CLEAR:	irqvector &= ~0x2;	break;
		case V30_ASSERT:	irqvector |= 0x1;	break;
		case V30_CLEAR:		irqvector &= ~0x1;	break;
	}

	if (irqvector & 0x2)		/* YM2151 has precedence */
		cpu_irq_line_vector_w(1,0,0x18);
	else if (irqvector & 0x1)	/* V30 */
		cpu_irq_line_vector_w(1,0,0x19);

	if (irqvector == 0)	/* no IRQs pending */
		cpu_set_irq_line(1,0,CLEAR_LINE);
	else	/* IRQ pending */
		cpu_set_irq_line(1,0,ASSERT_LINE);
}