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https://github.com/deater/dos33fsprogs.git
synced 2024-06-07 08:30:20 +00:00
peasant: hook up actual parser
not sure how optimized this will be, but it's a start
This commit is contained in:
Vince Weaver
parent
7b8021116d
commit
be70f8451d
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@ -1,14 +1,36 @@
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.include "tokens.inc"
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;==========================
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; parse input
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;==========================
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; input is in input_buffer
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parse_input:
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; jsr hgr_save
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lda input_buffer ; get first char FIXME
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and #$DF ; make uppercase 0110 0001 -> 0100 0001
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; uppercase buffer
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parse_copy:
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cmp #'C'
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bne parse_inventory
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ldx #0
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upcase_loop:
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lda input_buffer,X
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beq done_upcase_loop
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and #$DF
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sta input_buffer,X
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inx
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jmp upcase_loop
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done_upcase_loop:
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jsr get_verb
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; jsr get_noun
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; jsr local_parser
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lda CURRENT_VERB
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check_copy:
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cmp #VERB_COPY
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bne check_inventory
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; want copy
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lda #NEW_FROM_DISK
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@ -19,29 +41,25 @@ parse_copy:
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jmp done_parse_message
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parse_inventory:
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cmp #'I'
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bne parse_l
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check_inventory:
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cmp #VERB_INVENTORY
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bne check_load
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jsr show_inventory
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jmp restore_parse_message
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parse_l:
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cmp #'L'
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bne parse_talk
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check_load:
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cmp #VERB_LOAD
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bne check_look
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lda input_buffer+2
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and #$DF ; make uppercase 0110 0001 -> 0100 0001
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cmp #'O'
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beq parse_look
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parse_load:
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jsr load_menu
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jmp restore_parse_message
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parse_look:
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check_look:
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cmp #VERB_LOOK
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bne check_talk
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lda #<fake_error1
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sta OUTL
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@ -49,24 +67,27 @@ parse_look:
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jmp finish_parse_message
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parse_talk:
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cmp #'T'
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bne parse_s
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check_talk:
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cmp #VERB_TALK
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bne check_save
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lda #<fake_error2
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sta OUTL
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lda #>fake_error2
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lda #<fake_error2
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sta OUTL
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lda #>fake_error2
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jmp finish_parse_message
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parse_s:
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cmp #'S'
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bne parse_version
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check_save:
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cmp #VERB_SAVE
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bne check_show
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lda input_buffer+2
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and #$DF ; make uppercase 0110 0001 -> 0100 0001
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cmp #'A'
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beq parse_save
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parse_show:
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jsr save_menu
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jmp restore_parse_message
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check_show:
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cmp #VERB_SHOW
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bne check_version
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bit LORES
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bit PAGE1
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@ -78,21 +99,16 @@ parse_show:
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jmp done_parse_message
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parse_save:
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jsr save_menu
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jmp restore_parse_message
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parse_version:
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cmp #'V'
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bne parse_help
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check_version:
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cmp #VERB_VERSION
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bne check_help
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lda #<version_message
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sta OUTL
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lda #>version_message
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jmp finish_parse_message
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parse_help:
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check_help:
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lda #<help_message
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sta OUTL
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lda #>help_message
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@ -112,3 +128,69 @@ done_parse_message:
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rts
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;===========================
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; get verb
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;===========================
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;
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get_verb:
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lda #VERB_UNKNOWN ; default
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sta CURRENT_VERB
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lda #<verb_lookup ; reset verb pointer
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sta get_verb_loop+1
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lda #>verb_lookup
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sta get_verb_loop+2
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next_verb_loop:
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ldx #0
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stx WORD_MATCH
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get_verb_loop:
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lda verb_lookup
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bmi done_verb
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beq done_get_verb_loop
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cmp input_buffer,X
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beq verb_char_matched
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verb_char_nomatch:
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dec WORD_MATCH
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verb_char_matched:
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jsr inc_verb_ptr
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inx
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jmp get_verb_loop
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done_verb:
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ldx WORD_MATCH
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beq found_verb
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no_found_verb:
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jsr inc_verb_ptr
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jmp next_verb_loop
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found_verb:
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and #$7f
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sta CURRENT_VERB
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done_get_verb_loop:
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rts
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inc_verb_ptr:
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inc get_verb_loop+1
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bne inc_verb_ptr_noflo
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inc get_verb_loop+2
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inc_verb_ptr_noflo:
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rts
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verb_lookup:
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.byte "COPY",VERB_COPY|$80
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.byte "INV",VERB_INVENTORY|$80
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.byte "LOAD",VERB_LOAD|$80
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.byte "LOOK",VERB_LOOK|$80
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.byte "TALK",VERB_TALK|$80
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.byte "SAVE",VERB_SAVE|$80
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.byte "SHOW",VERB_SHOW|$80
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.byte "VER",VERB_VERSION|$80
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.byte $00
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@ -19,17 +19,12 @@ WHICH_PEASANTRY = 2
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peasant_quest:
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lda #0
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sta GAME_OVER
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sta FRAME
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jsr hgr_make_tables
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jsr hgr2
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lda #0
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sta FRAME
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; update map location
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jsr update_map_location
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@ -204,7 +199,7 @@ fake_error2:
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.include "graphics/graphics_peasant3.inc"
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.include "sprites/boat_sprites.inc"
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;.include "sprites/boat_sprites.inc"
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map_backgrounds_low:
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.byte <jhonka_lzsa ; 10 -- jhonka
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167
games/peasant/tokens.inc
Normal file
167
games/peasant/tokens.inc
Normal file
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@ -0,0 +1,167 @@
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VERB_UNKNOWN = 0
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VERB_ASK = 1
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VERB_BOO = 2
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VERB_BREAK = 3
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VERB_BUY = 4
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VERB_CHEAT = 5
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VERB_CLIMB = 6
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VERB_CLOSE = 7
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VERB_COPY = 8
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VERB_DANCE = 9
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VERB_DEPLOY = 10
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VERB_DIE = 11
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VERB_DITCH = 12
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VERB_DRINK = 13
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VERB_DROP = 14
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VERB_ENTER = 15
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VERB_FEED = 16
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VERB_GET = 17
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VERB_GIVE = 18
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VERB_GO = 19
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VERB_HALDO = 20
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VERB_INVENTORY = 21
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VERB_JUMP = 22
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VERB_KICK = 23
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VERB_KILL = 24
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VERB_KNOCK = 25
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VERB_LIGHT = 26
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VERB_LOAD = 27
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VERB_LOOK = 28
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VERB_MAKE = 29
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VERB_MAP = 30
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VERB_NO = 31
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VERB_OPEN = 32
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VERB_PARTY = 33
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VERB_PET = 34
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VERB_PLAY = 35
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VERB_PULL = 36
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VERB_PUNCH = 37
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VERB_PUSH = 38
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VERB_PUT = 39
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VERB_PWD = 40
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VERB_QUIT = 41
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VERB_READ = 42
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VERB_RIDE = 43
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VERB_RING = 44
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VERB_SAVE = 45
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VERB_SCARE = 46
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VERB_SHOOT = 47
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VERB_SHOW = 48
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VERB_SIT = 49
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VERB_SKIP = 50
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VERB_SLEEP = 51
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VERB_SMELL = 52
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VERB_SNIFF = 53
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VERB_STEAL = 54
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VERB_SWIM = 55
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VERB_TAKE = 56
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VERB_TALK = 57
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VERB_THIS = 58
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VERB_THROW = 59
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VERB_TRY = 60
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VERB_TURN = 61
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VERB_USE = 62
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VERB_VERSION = 63
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VERB_WAKE = 64
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VERB_WEAR = 65
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VERB_WHAT = 66
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VERB_WHERE = 67
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VERB_WHY = 68
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VERB_YES = 69
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NOUN_UNKNOWN = 0
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NOUN_ARCHER = 1
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NOUN_ARROW = 2
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NOUN_BABY = 3
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NOUN_BEADS = 4
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NOUN_BELL = 5
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NOUN_BELT = 6
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NOUN_BERRIES = 7
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NOUN_BOAT = 8
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NOUN_BONE = 9
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NOUN_BOW = 10
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NOUN_BROOM = 11
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NOUN_BUSHES = 12
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NOUN_CANDLE = 13
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NOUN_CAVE = 14
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NOUN_CHAIR = 15
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NOUN_CLIFF = 16
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NOUN_CLUB = 17
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NOUN_COLD = 18
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NOUN_COTTAGE = 19
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NOUN_CRANK = 20
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NOUN_CURTAINS = 21
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NOUN_DAN = 22
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NOUN_DESK = 23
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NOUN_DINGHY = 24
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NOUN_DOING_SPROINGS = 25
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NOUN_DOOR = 26
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NOUN_DRAWER = 27
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NOUN_DRESSER = 28
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NOUN_DUDE = 29
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NOUN_FEED = 30
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NOUN_FENCE = 31
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NOUN_FIRE = 32
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NOUN_FLIES = 33
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NOUN_FOOD = 34
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NOUN_FOOTPRINTS = 35
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NOUN_GAME = 36
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NOUN_GARY = 37
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NOUN_GREEN = 38
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NOUN_GROUND = 39
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NOUN_GUY = 40
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NOUN_HAY = 41
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NOUN_HOLE = 42
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NOUN_HORSE = 43
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NOUN_INN = 44
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NOUN_JHONKA = 45
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NOUN_KERREK = 46
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NOUN_KNIGHT = 47
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NOUN_LADY = 48
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NOUN_LAKE = 49
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NOUN_LANTERN = 50
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NOUN_LEG = 51
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NOUN_LIGHTNING = 52
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NOUN_MAN = 53
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NOUN_MAP = 54
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NOUN_MASK = 55
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NOUN_MUD = 56
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NOUN_NED = 57
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NOUN_NOTE = 58
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NOUN_OPENINGS = 59
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NOUN_PAINTING = 60
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NOUN_PAPER = 61
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NOUN_PEASANT = 62
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NOUN_PEBBLES = 63
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NOUN_PILLOW = 64
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NOUN_PILLS = 65
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NOUN_PLAGUE = 66
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NOUN_PLAQUE = 67
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NOUN_POT = 68
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NOUN_RICHES = 69
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NOUN_ROBE = 70
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NOUN_ROCK = 71
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NOUN_ROOM = 72
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NOUN_RUB = 73
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NOUN_RUG = 74
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NOUN_SAND = 75
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NOUN_SANDWICH = 76
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NOUN_SHELF = 77
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NOUN_SIGN = 78
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NOUN_SKELETON = 79
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NOUN_SKULL = 80
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NOUN_SMELL = 81
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NOUN_SODA = 82
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NOUN_STUFF = 83
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NOUN_STUMP = 84
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NOUN_SUB = 85
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NOUN_TARGET = 86
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NOUN_TRACKS = 87
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NOUN_TREE = 88
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NOUN_TRINKET = 89
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NOUN_TROGDOR = 90
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NOUN_WATER = 91
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NOUN_WATERFALL = 92
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NOUN_WELL = 93
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NOUN_WINDOW = 94
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NOUN_WOMAN = 95
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@ -170,6 +170,10 @@ INVENTORY_2_GONE = $A4
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INVENTORY_3_GONE = $A5
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END_OF_SAVE = $A6
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CURRENT_VERB = $B0 ; parser
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CURRENT_NOUN = $B1
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WORD_MATCH = $B2
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INPUT_X = $C0
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BOX_X1L = $C1
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BOX_X1H = $C2
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