// switch to short index registers ("!rs" pseudo opcode) static enum eos_t PO_rs(void) { return set_register_length(&CPU_now->xy_are_long, FALSE); }
// Switch to short index registers ("!rs" pseudo opcode) static enum eos_t PO_rs(void) { return(set_register_length(CPU_now->long_regs + LONGREG_IDX_R, FALSE)); }
// switch to short accu ("!as" pseudo opcode) static enum eos_t PO_as(void) { return set_register_length(&CPU_now->a_is_long, FALSE); }
// Switch to long accu ("!al" pseudo opcode) static enum eos_t PO_al(void) { return(set_register_length(CPU_now->long_regs + LONGREG_IDX_A, TRUE)); }