forth: a little house cleaning
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@ -402,13 +402,13 @@ DOES:
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; 2. Leave 2 bytes for regular cell variable.
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; 3. Write down IP+2 to entry.
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; 3. exit. we're done here.
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ld iy, (CURRENT)
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ld hl, doesWord
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call wrCompHL
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inc iy \ inc iy ; cell variable space
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ld hl, (IP)
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call wrCompHL
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ld (HERE), iy
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ld hl, (CURRENT)
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ld de, doesWord
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call DEinHL
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inc hl \ inc hl ; cell variable space
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ld de, (IP)
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call DEinHL
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ld (HERE), hl
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jp EXIT+2
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@ -251,12 +251,6 @@ parseDecimal:
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ret
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; *** Forth-specific part ***
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; Return address of scratchpad in HL
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pad:
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ld hl, (HERE)
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ld a, PADDING
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jp addHL
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; Advance (INPUTPOS) until a non-whitespace is met. If needed,
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; call fetchline.
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; Set HL to newly set (INPUTPOS)
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@ -315,41 +309,21 @@ HLPointsDE:
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cp d ; Z has our answer
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ret
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HLPointsNUMBER:
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push de
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ld de, NUMBER
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call HLPointsDE
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pop de
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ret
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HLPointsLIT:
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push de
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ld de, LIT
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call HLPointsDE
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pop de
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ret
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HLPointsBR:
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push de
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ld de, FBR
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call HLPointsDE
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jr z, .end
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ld de, BBR
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call HLPointsDE
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.end:
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pop de
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ret
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; Skip the compword where HL is currently pointing. If it's a regular word,
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; it's easy: we inc by 2. If it's a NUMBER, we inc by 4. If it's a LIT, we skip
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; to after null-termination.
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compSkip:
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call HLPointsNUMBER
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ld de, NUMBER
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call HLPointsDE
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jr z, .isNum
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call HLPointsBR
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ld de, FBR
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call HLPointsDE
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jr z, .isBranch
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call HLPointsLIT
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ld de, BBR
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call HLPointsDE
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jr z, .isBranch
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ld de, LIT
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call HLPointsDE
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jr nz, .isWord
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; We have a literal
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inc hl \ inc hl
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@ -409,14 +383,6 @@ find:
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; Z will be set if DE is zero
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ret
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; Write compiled data from HL into IY, advancing IY at the same time.
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wrCompHL:
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ld (iy), l
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inc iy
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ld (iy), h
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inc iy
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ret
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; Spit name + prev in (HERE) and adjust (HERE) and (CURRENT)
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; HL points to new (HERE)
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entryhead:
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