; ( -- n ) ; Tools ; Amount of available RAM (incl. PAD) VE_UNUSED: .dw $ff06 .db "unused" .dw VE_HEAD .set VE_HEAD = VE_UNUSED XT_UNUSED: .dw DO_COLON PFA_UNUSED: .dw XT_SP_FETCH .dw XT_HERE .dw XT_MINUS .dw XT_EXIT