; ( -- addr) ; Stack ; start address of the data stack VE_SP0: .dw $ff03 .db "sp0",0 .dw VE_HEAD .set VE_HEAD = VE_SP0 XT_SP0: .dw PFA_DOVALUE1 PFA_SP0: .dw USER_SP0 .dw XT_UDEFERFETCH .dw XT_UDEFERSTORE ; ( -- addr) ; Stack ; address of user variable to store top-of-stack for inactive tasks VE_SP: .dw $ff02 .db "sp" .dw VE_HEAD .set VE_HEAD = VE_SP XT_SP: .dw PFA_DOUSER PFA_SP: .dw USER_SP