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<h1> words/up.asm </h1>
 
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<pre>
; ( -- addr ) System
; R( -- )
; get user pointer
VE_UP_FETCH:
.db $03, &quot;up@&quot;
.dw VE_HEAD
.set VE_HEAD = VE_UP_FETCH
XT_UP_FETCH:
.dw PFA_UP_FETCH
PFA_UP_FETCH:
savetos
movw tosl, upl
rjmp DO_NEXT
 
; ( addr -- ) System
; R( -- )
; set user pointer
VE_UP_STORE:
.db $03, &quot;up!&quot;
.dw VE_HEAD
.set VE_HEAD = VE_UP_STORE
XT_UP_STORE:
.dw PFA_UP_STORE
PFA_UP_STORE:
movw upl, tosl
loadtos
rjmp DO_NEXT
</pre>
 
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