Пример #1
0
static void galpani2_mcu_nmi(void)
{
	UINT32 mcu_list, mcu_command, mcu_address, mcu_src, mcu_dst, mcu_size;

	/* "Last Check" */
	galpani2_write_kaneko();

	for ( mcu_list = 0x100020; mcu_list < (0x100020 + 0x40); mcu_list += 4 )
	{
		mcu_command		=	cpunum_read_byte(0, mcu_list + 1 );

		mcu_address		=	0x100000 +
							(cpunum_read_byte(0, mcu_list + 2)<<8) +
							(cpunum_read_byte(0, mcu_list + 3)<<0) ;

		switch (mcu_command)
		{
		case 0x00:
			break;

		case 0x0a:	// Copy N bytes from RAM1 to RAM2
			mcu_src		=	(cpunum_read_byte(0, mcu_address + 2)<<8) +
							(cpunum_read_byte(0, mcu_address + 3)<<0) ;

			mcu_dst		=	(cpunum_read_byte(0, mcu_address + 6)<<8) +
							(cpunum_read_byte(0, mcu_address + 7)<<0) ;

			mcu_size	=	(cpunum_read_byte(0, mcu_address + 8)<<8) +
							(cpunum_read_byte(0, mcu_address + 9)<<0) ;

			logerror("CPU #0 PC %06X : MCU executes command $A, %04X %02X-> %04x\n",activecpu_get_pc(),mcu_src,mcu_size,mcu_dst);

			for( ; mcu_size > 0 ; mcu_size-- )
			{
				mcu_src &= 0xffff;	mcu_dst &= 0xffff;
				cpunum_write_byte(1,0x100000 + mcu_dst,cpunum_read_byte(0,0x100000 + mcu_src));
				mcu_src ++;			mcu_dst ++;
			}

			/* Raise a "job done" flag */
			cpunum_write_byte(0,mcu_address+0,0xff);
			cpunum_write_byte(0,mcu_address+1,0xff);

			break;

		default:
			/* Raise a "job done" flag */
			cpunum_write_byte(0,mcu_address+0,0xff);
			cpunum_write_byte(0,mcu_address+1,0xff);

			logerror("CPU #0 PC %06X : MCU ERROR, unknown command %02X\n",activecpu_get_pc(),mcu_command);
		}

		/* Erase command? */
		cpunum_write_byte(0,mcu_list + 1,0x00);
	}
}
Пример #2
0
void galpani2_mcu_run(void)
{
	int i,x;

	/* Write "KANEKO" to 100000-100005, but do not clash with ram test */

	x  = 0;

	for (i = 0x100000; i < 0x100007; i++)
		x |= cpunum_read_byte(0,i);

	if	( x == 0 )
	{
		galpani2_write_kaneko();
		cpunum_write_byte(1,0x100006,1);
		logerror("MCU executes CHECK0\n");
	}
}
Пример #3
0
static void galpani2_mcu_nmi2(running_machine *machine)
{
		galpani2_write_kaneko(machine->device("maincpu"));
		//logerror("%s : MCU executes CHECKs synchro\n", cpuexec_describe_context(machine));
}