Ejemplo n.º 1
0
static WRITE8_HANDLER ( exidy_wd179x_w )
{
	switch (offset & 0x03)
	{
	case 0:
		wd179x_command_w(offset, data);
		return;
	case 1:
		wd179x_track_w(offset, data);
		return;
	case 2:
		wd179x_sector_w(offset, data);
		return;
	case 3:
		wd179x_data_w(offset, data);
		return;
	default:
		break;
	}
}
Ejemplo n.º 2
0
static WRITE8_HANDLER( coupe_port_w )
{
	if (offset==SSND_ADDR)						// Set sound address
	{
		SOUND_ADDR=data&0x1F;					// 32 registers max
		saa1099_control_port_0_w(0, SOUND_ADDR);
        return;
	}

	switch (offset & 0xFF)
	{
	case DSK1_PORT+0:							// This covers the total range of ports for 1 floppy controller
    case DSK1_PORT+4:
		wd179x_set_side((offset >> 2) & 1);
        wd179x_command_w(0, data);
		break;
    case DSK1_PORT+1:
    case DSK1_PORT+5:
		/* Track byte requested on address line */
		wd179x_set_side((offset >> 2) & 1);
        wd179x_track_w(0, data);
		break;
    case DSK1_PORT+2:
    case DSK1_PORT+6:
		/* Sector byte requested on address line */
		wd179x_set_side((offset >> 2) & 1);
        wd179x_sector_w(0, data);
        break;
    case DSK1_PORT+3:
	case DSK1_PORT+7:
		/* Data byte requested on address line */
		wd179x_set_side((offset >> 2) & 1);
        wd179x_data_w(0, data);
		break;
	case CLUT_PORT:
		CLUT[(offset >> 8)&0x0F]=data&0x7F;		// set CLUT data
		break;
	case LINE_PORT:
		LINE_INT=data;						// Line to generate interrupt on
		break;
    case LMPR_PORT:
		LMPR=data;
		coupe_update_memory();
		break;
    case HMPR_PORT:
		HMPR=data;
		coupe_update_memory();
		break;
    case VMPR_PORT:
		VMPR=data;
		coupe_update_memory();
		break;
    case BORD_PORT:
		/* DAC output state */
		speaker_level_w(0,(data>>4) & 0x01);
		break;
    case SSND_DATA:
		saa1099_write_port_0_w(0, data);
		SOUND_REG[SOUND_ADDR] = data;
		break;
    default:
		logerror("Write Unsupported Port: %04x,%02x\n", offset,data);
		break;
	}
}