scratchpad_offset
UASM_i_SW(p, scratch, scratchpad_offset(0), 0);
UASM_i_SW(p, scratch, scratchpad_offset(0), 0);
UASM_i_LW(p, scratch, scratchpad_offset(0), 0);
UASM_i_LW(p, scratch, scratchpad_offset(0), 0);
UASM_i_LW(p, 1, scratchpad_offset(0), 0);
UASM_i_LW(p, 1, scratchpad_offset(0), 0);