aboutsummaryrefslogtreecommitdiff
path: root/amforth-6.5/common/words/tick.asm
blob: 3d04411b06784d5696eccb416927a5ddef30a76d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
; ( "<spaces>name" -- XT ) 
; Dictionary
; search dictionary for name, return XT or throw an exception -13

.if cpu_msp430==1
    HEADER(XT_TICK,1,27h,DOCOLON)
.endif

.if cpu_avr8==1
VE_TICK:
    .dw $ff01
    .db "'",0
    .dw VE_HEAD
    .set VE_HEAD = VE_TICK
XT_TICK:
    .dw DO_COLON
PFA_TICK:
.endif
    .dw XT_PARSENAME
    .dw XT_FORTHRECOGNIZER
    .dw XT_RECOGNIZE
    ; a word is tickable unless DT:TOKEN is DT:NULL or 
    ; the interpret action is a NOOP
    .dw XT_DUP
    .dw XT_DT_NULL
    .dw XT_EQUAL
    .dw XT_SWAP
    .dw XT_FETCHI
    .dw XT_DOLITERAL
    .dw XT_NOOP
    .dw XT_EQUAL
    .dw XT_OR
    .dw XT_DOCONDBRANCH
    DEST(PFA_TICK1)
      .dw XT_DOLITERAL
      .dw -13
      .dw XT_THROW
PFA_TICK1:
    .dw XT_DROP
    .dw XT_EXIT