[ drop load-zone-ptr ] [ swap 0 LWZ ] 2bi ;
:: inc-allot-ptr ( nursery-ptr allot-ptr n -- )
- scratch-reg allot-ptr n 8 align ADDI
+ scratch-reg allot-ptr n data-alignment get align ADDI
scratch-reg nursery-ptr 0 STW ;
:: store-header ( dst class -- )