C++ (Cpp) josvolly_8741_do示例

示例#1

文件： tait8741.c 项目： AltimorTASDK/shmupmametgm

static void josvolly_8741_w(const address_space *space, int num, int offset, int data)
{
	JV8741 *mcu = &i8741[num];

	if(offset==1)
	{
		LOG(("%s:8741[%d] CW %02X\n", cpuexec_describe_context(space->machine), num, data));

		/* read pointer */
		mcu->cmd = data;
		/* CMD */
		switch(data)
		{
		case 0:
			mcu->txd = data ^ 0x40;
			mcu->sts |= 0x02;
			break;
		case 1:
			mcu->txd = data ^ 0x40;
			mcu->sts |= 0x02;
#if 1
			/* ?? */
			mcu->rxd = 0;  /* SBSTS ( DIAG ) , killed */
			mcu->sts |= 0x01; /* RD ready */
#endif
			break;
		case 2:
#if 1
			mcu->rxd = input_port_read(space->machine, "DSW2");
			mcu->sts |= 0x01; /* RD ready */
#endif
			break;
		case 3: /* normal mode ? */
			break;

		case 0xf0: /* clear main sts ? */
			mcu->txd = data ^ 0x40;
			mcu->sts |= 0x02;
			break;
		}
	}
	else
	{
		/* data */
		LOG(("%s:8741[%d] DW %02X\n", cpuexec_describe_context(space->machine), num, data));

		mcu->txd = data ^ 0x40; /* parity reverce ? */
		mcu->sts |= 0x02;     /* TXD busy         */
#if 1
		/* interrupt ? */
		if(num == 0)
		{
			if(josvolly_nmi_enable)
			{
				cputag_set_input_line(space->machine, "audiocpu", INPUT_LINE_NMI, PULSE_LINE);
				josvolly_nmi_enable = 0;
			}
		}
#endif
	}
	josvolly_8741_do(space->machine, num);
}

示例#2

文件： tait8741.c 项目： CrouchingLlama/openlase-mame

static void josvolly_8741_w(int num,int offset,int data,int log)
{
	JV8741 *mcu = &i8741[num];

	if(offset==1)
	{
#if __log__
if(log)
		logerror("PC=%04X 8741[%d] CW %02X\n",activecpu_get_pc(),num,data);
#endif

		/* read pointer */
		mcu->cmd = data;
		/* CMD */
		switch(data)
		{
		case 0:
			mcu->txd = data ^ 0x40;
			mcu->sts |= 0x02;
			break;
		case 1:
			mcu->txd = data ^ 0x40;
			mcu->sts |= 0x02;
#if 1
			/* ?? */
			mcu->rxd = 0;  /* SBSTS ( DIAG ) , killed */
			mcu->sts |= 0x01; /* RD ready */
#endif
			break;
		case 2:
#if 1
			mcu->rxd = input_port_4_r(0);  /* DSW2 */
			mcu->sts |= 0x01; /* RD ready */
#endif
			break;
		case 3: /* normal mode ? */
			break;

		case 0xf0: /* clear main sts ? */
			mcu->txd = data ^ 0x40;
			mcu->sts |= 0x02;
			break;
		}
	}
	else
	{
		/* data */
#if __log__
if(log)
		logerror("PC=%04X 8741[%d] DW %02X\n",activecpu_get_pc(),num,data);
#endif

		mcu->txd  = data^0x40; /* parity reverce ? */
		mcu->sts  |= 0x02;     /* TXD busy         */
#if 1
		/* interrupt ? */
		if(num==0)
		{
			if(josvolly_nmi_enable)
			{
				cpunum_set_input_line(1, INPUT_LINE_NMI, PULSE_LINE);
				josvolly_nmi_enable = 0;
			}
		}
#endif
	}
	josvolly_8741_do(num);
}