TRANSFER_CONTROL
nsp32_write2(base, TRANSFER_CONTROL, 0);
nsp32_write2(base, TRANSFER_CONTROL, 0);
nsp32_write2(base, TRANSFER_CONTROL, 0);
nsp32_write2(base, TRANSFER_CONTROL, transfer);
nsp32_write2(base, TRANSFER_CONTROL, 0);
nsp32_write2(base, TRANSFER_CONTROL, 0);
nsp32_write2(base, TRANSFER_CONTROL, command);