Working Neut! More control structures
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@ -148,6 +148,9 @@
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(fn dat-parser.flatten [flat block]
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(parse-dats block (lume.slice flat 2))
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nil)
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(fn dat-parser.export [label block]
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(tset block.globals (. label 2) true)
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nil)
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(local pdat-processor {
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:op {}
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37
asm/vm.fnl
37
asm/vm.fnl
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@ -284,6 +284,11 @@
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:skip
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(vm:drop)
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[:lda 2] (add16 vm.IP vm.IPH) (vm:ret)
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:bnz [:export :bnz]
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[:lda vm.TOP :x]
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[:bne :dojmp]
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[:lda vm.TOPH :x]
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[:beq :skip]
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:dojmp (vm:drop)]
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:jmp
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; ugh I don't have enough registers for this; a (one-byte?) relative jump would maybe be better
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@ -315,6 +320,22 @@
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(fn vm.if [self iftrue iffalse]
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[:block [:vm :bz :_else (table.unpack iftrue)] [:vm :jmp :_end] :_else [:vm (table.unpack iffalse)] :_end])
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(fn vm.ifchain [self ...]
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(local block [:block])
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(local cases [...])
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(for [i 1 (- (length cases) 1) 2]
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(local (test action) (values (. cases i) (. cases (+ i 1))))
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(table.insert block [:flatten
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(.. :_case i)
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[:vm (table.unpack test)]
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[:vm :bz (.. :_case (+ 2 i)) (table.unpack action)]
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[:vm :jmp :_end]]))
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(table.insert block [:flatten
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(.. :_case (length cases))
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[:vm (table.unpack (. cases (length cases)))]
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:_end])
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block)
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(fn vm.case [self ...]
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(local block [:block])
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(local cases [...])
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@ -327,6 +348,22 @@
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(table.insert block :_end))))
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block)
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(fn vm.if-or [self clauses iftrue iffalse]
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(local block [:block])
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(each [_ clause (ipairs clauses)]
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(table.insert block [:flatten [:vm (table.unpack clause)] [:vm :bnz :_whentrue]])) ; could bum two instructions here if no iffalse
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(table.insert block [:flatten [:vm (table.unpack (or iffalse []))] [:vm :jmp :_end]])
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(table.insert block [:flatten :_whentrue [:vm (table.unpack iftrue)] :_end])
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block)
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(fn vm.if-and [self clauses iftrue iffalse]
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(local block [:block])
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(each [_ clause (ipairs clauses)]
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(table.insert block [:flatten [:vm (table.unpack clause)] [:vm :bz :_whenfalse]]))
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(table.insert block [:flatten [:vm (table.unpack iftrue)] [:vm :jmp :_end]])
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(table.insert block [:flatten :_whenfalse [:vm (table.unpack (or iffalse []))] :_end])
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block)
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(fn vm.gensym [self]
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(local sym (.. "G-GEN-SYM-" self.nextsymid))
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(set self.nextsymid (+ self.nextsymid 1))
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@ -90,9 +90,8 @@
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(entity.append-from-map map entity-org)
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level)
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(fn with-footer [...] [:vm :drawfooter [:vm ...] :clearfooter])
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(fn say [portrait ...]
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(local result [:vm :lit (.. :p portrait) :draw-portrait])
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(local result [:vm :show-footer :lit (.. :p portrait) :draw-portrait])
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(local lines [...])
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(local ilineOffset (if (< (length lines) 4) 1 0))
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(each [iline line (ipairs lines)]
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@ -104,5 +103,5 @@
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(let [tilelist (tiles.loadgfx tiles.fn-tiles)]
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(fn [label] (tiles.find-itile tilelist label))))
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{: vm : prg : mapw : maph : mon : org : achar : astr : rot8l : deflevel : with-footer : say : itile}
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{: vm : prg : mapw : maph : mon : org : achar : astr : rot8l : deflevel : say : itile}
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@ -68,17 +68,26 @@
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] [:drop]))
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(vm:word :door ; ev --
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:dup :. :dup (vm:case
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[ev.touch :drop :responder-itile (itile :dooropen) := (vm:when :move-player)]
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[:else (itile :doorclosed) (itile :dooropen) :handle-onoff]))
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(vm:if-and [[:is-jaye?] [:dup ev.touch :=] [:responder-itile (itile :dooropen) :=]]
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[:move-jaye :drop]
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[(itile :doorclosed) (itile :dooropen) :handle-onoff]))
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(vm:word :switch ; ev --
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:dup ev.touch := (vm:when :drop ev.tog)
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:dup ev.touch := (vm:when :drop ev.tog :is-neut? (vm:when :get-responder :get :move-neut-to))
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:dup (itile :switchoff) (itile :switchon) :handle-onoff
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(itile :switchon) :activate-link)
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(vm:word :term ; ev --
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:dup ev.touch := (vm:when :drop ev.act)
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:dup ev.touch := (vm:when
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:is-jaye? (vm:if [
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:drop ev.act
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] [
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:linked-entity :dup :get :itile-at (itile :termon) := (vm:if [
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:get :move-neut-to
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] [
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:drop
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])
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]))
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:dup (itile :termoff) (itile :termon) :handle-onoff)
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(fn append-from-map [map entity-org]
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53
game/footer.fnl
Normal file
53
game/footer.fnl
Normal file
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@ -0,0 +1,53 @@
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(local {: vm : org} (require :game.defs))
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(local {: hi : lo} (require :lib.util))
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(vm:def :draw-pchar ; pscreen pchar --
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[:block
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[:ldy 7] [:clc]
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:loop
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[:lda [vm.TOP :x]]
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[:sta [vm.ST1 :x]]
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[:inc vm.TOP :x]
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[:lda vm.ST1H :x] [:adc 4] [:sta vm.ST1H :x]
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[:dey]
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[:bne :loop]
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]
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(vm:drop) (vm:drop))
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(vm:def :lookup-pchar ; c -- pchar
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[:sec]
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[:lda vm.TOP :x]
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[:sbc 0x20]
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[:sta vm.TOP :x]
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[:lda 0]
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[:asl vm.TOP :x] [:rol :a] ;x2
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[:asl vm.TOP :x] [:rol :a] ;x4
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[:asl vm.TOP :x] [:rol :a] ;x8
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[:adc #(hi org.font.org)]
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[:sta vm.TOPH :x])
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(vm:word :draw-char ; pscreen c --
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:lookup-pchar :draw-pchar)
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(vm:word :snooze (vm:for))
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(vm:word :textsnooze 0x30 :snooze)
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(vm:word :draw-text1 0x2257 :draw-text)
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(vm:word :draw-text2 0x22d7 :draw-text)
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(vm:word :draw-text3 0x2357 :draw-text)
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(vm:word :draw-text4 0x23d7 :draw-text)
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(vm:word :draw-text ; st pscreen --
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(vm:while [:over :bget :dup] ; st pscreen c
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:over :swap :draw-char ; st pscreen
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:textsnooze
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:inc :swap :inc :swap)
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:drop :drop :drop)
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(vm:word :cleartext
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0x2257 :clearline 0x22d7 :clearline 0x2357 :clearline 0x23d7 :clearline)
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(vm:word :wait-for-return (vm:until :read-key (string.byte "\r") :=))
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(vm:word :dismiss-dialog :wait-for-return :cleartext)
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(vm:var :footer-displayed vm.false)
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(vm:word :show-footer :footer-displayed :get :not (vm:when vm.true :footer-displayed :set :drawfooter))
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(vm:word :hide-footer :footer-displayed :get (vm:when vm.false :footer-displayed :set :clearfooter))
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115
game/init.fnl
115
game/init.fnl
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@ -5,10 +5,11 @@
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(local {: prg : vm : org : mapw : maph} (util.reload :game.defs))
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(util.reload :game.gfx)
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(util.reload :game.footer)
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(util.reload :game.map)
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(util.reload :game.entity)
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(local {: walkable} tile.flag-to-bit)
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(local {: walkable : neutable} tile.flag-to-bit)
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(vm:word :movement-dir ; key -- dyx
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(vm:case [(string.byte "I") 0xff00]
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@ -26,8 +27,17 @@
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[:sta vm.ST1H :x]
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(vm:drop))
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(vm:var :jaye-yx 0x090a)
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(vm:var :jaye-yx 0x080f)
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(vm:var :jaye-dir 0xff00)
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(vm:var :neut-yx 0xffff)
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(local controlstate {
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:jaye 0
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:neut 1
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})
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(vm:var :controlstate [:db controlstate.jaye])
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(vm:word :is-jaye? :controlstate :bget controlstate.jaye :=)
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(vm:word :is-neut? :controlstate :bget controlstate.neut :=)
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(vm:word :neut-hidden? :neut-yx :get 0xffff :=)
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(vm:word :jaye-tile ; ptile
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:jaye-dir :get
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@ -39,79 +49,51 @@
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(vm:word :draw-jaye-yx ; yx --
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:yx>screen :jaye-tile :drawtile)
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(vm:word :handle-key :read-key :move-jaye)
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(vm:word :bump-jaye ; dir yx --
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:yx+ ; yxnew
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:dup :touch-entity :not
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(vm:if
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[:dup :itile-at :lookup-flags ; yxnew flags
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walkable :& (vm:if [:move-player-to] [:drop])]
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[:drop]))
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(vm:word :move-player-to ; yx --
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(vm:word :move-jaye-to ; yx --
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:jaye-yx :get :drawtile-at
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:dup :jaye-yx :set
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:yx>screen :jaye-tile :drawtile)
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:dup :jaye-yx :set :draw-jaye-yx)
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(vm:word :move-player ; --
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:jaye-dir :get :jaye-yx :get :yx+ :move-player-to)
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(vm:word :neut-tile :lit :neut1) ; todo: animate
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(vm:word :move-jaye ; key --
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:movement-dir :dup (vm:if [
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(vm:word :draw-neut-yx ; yx --
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:yx>screen :neut-tile :drawtile)
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(vm:word :move-neut-to ; yx --
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:neut-yx :get :drawtile-at
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:dup :neut-yx :set :draw-neut-yx)
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(vm:word :move-jaye ; --
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:jaye-dir :get :jaye-yx :get :yx+ :move-jaye-to)
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(vm:word :flag-at? ; yx flag -- f
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:swap :itile-at :lookup-flags :&)
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(vm:word :try-move-jaye ; dir --
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:dup :jaye-dir :set ; dir
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:jaye-yx :get ; dir yx
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:bump-jaye
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] [:drop]))
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:yx+ ; yxnew
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(vm:if-or [[:dup :touch-entity] [:dup walkable :flag-at? :not]]
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[:drop :jaye-yx :get])
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; always "move" so that jaye visibly changes direction
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; touch-entity can modify jaye-yx so we have to refetch
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:move-jaye-to)
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(vm:word :try-move-neut ; dir --
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:neut-yx :get :yx+
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(vm:if-and [[:dup :touch-entity :not] [:dup neutable :flag-at?]]
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[:move-neut-to] [:drop]))
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(vm:word :swap-player :neut-hidden? :not :is-jaye? :& (vm:if [controlstate.neut] [controlstate.jaye]) :controlstate :bset)
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(vm:word :player-key ; key --
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(vm:ifchain
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[:dup (string.byte " ") :=] [:drop :swap-player]
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[:movement-dir :dup] [:is-jaye? (vm:if [:try-move-jaye] [:try-move-neut])]
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[:drop]))
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(vm:word :full-redraw :drawmap :object-redraw)
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(vm:word :object-redraw :jaye-yx :get :draw-jaye-yx)
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(vm:def :draw-pchar ; pscreen pchar --
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[:block
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[:ldy 7] [:clc]
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:loop
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[:lda [vm.TOP :x]]
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[:sta [vm.ST1 :x]]
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[:inc vm.TOP :x]
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[:lda vm.ST1H :x] [:adc 4] [:sta vm.ST1H :x]
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[:dey]
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[:bne :loop]
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]
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(vm:drop) (vm:drop))
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(vm:def :lookup-pchar ; c -- pchar
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[:sec]
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[:lda vm.TOP :x]
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[:sbc 0x20]
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[:sta vm.TOP :x]
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[:lda 0]
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[:asl vm.TOP :x] [:rol :a] ;x2
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[:asl vm.TOP :x] [:rol :a] ;x4
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[:asl vm.TOP :x] [:rol :a] ;x8
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[:adc #(hi org.font.org)]
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[:sta vm.TOPH :x])
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(vm:word :draw-char ; pscreen c --
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:lookup-pchar :draw-pchar)
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(vm:word :snooze (vm:for))
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(vm:word :textsnooze 0x40 :snooze)
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(vm:word :draw-text1 0x2257 :draw-text)
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(vm:word :draw-text2 0x22d7 :draw-text)
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(vm:word :draw-text3 0x2357 :draw-text)
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(vm:word :draw-text4 0x23d7 :draw-text)
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(vm:word :draw-text ; st pscreen --
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(vm:while [:over :bget :dup] ; st pscreen c
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:over :swap :draw-char ; st pscreen
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:textsnooze
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:inc :swap :inc :swap)
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:drop :drop :drop)
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(vm:word :cleartext
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0x2257 :clearline 0x22d7 :clearline 0x2357 :clearline 0x23d7 :clearline)
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(vm:word :wait-for-return (vm:until :read-key (string.byte "\r") :=))
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(vm:word :dismiss-dialog :wait-for-return :cleartext)
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(tile.appendtiles org.tiles)
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(tile.appendgfx org.font (tile.loadgfx tile.fn-font))
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@ -120,6 +102,7 @@
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; but REPL debug stub should be very available as a task
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; 20x12 means full map is 240 bytes - we have an extra 16 bytes at the end to mess with?
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(vm:word :handle-key :read-key :player-key :hide-footer)
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(vm.code:append :main
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[:jsr :reset]
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@ -1,16 +1,36 @@
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(local {: deflevel : with-footer : say : itile} (require :game.defs))
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(local {: deflevel : say : itile} (require :game.defs))
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(local {: ev} (require :game.entity))
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(local level (deflevel "game/map00001.json"))
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(local vm level.vm)
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(vm:word :exitscanner (with-footer
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(vm:word :firstdoor
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(vm:if-and [[:is-jaye?] [:dup ev.touch :=] [:responder-itile (itile :doorclosed) :=]] [
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(say :jaye "IT WON'T OPEN!")
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]) :door)
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(vm:word :neutterm
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(vm:if-and [[:is-jaye?] [:dup ev.touch :=]] [
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:neut-hidden? (vm:if [
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(say :jaye "MAYBE NEUT CAN HELP.")
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:get-responder :get :move-neut-to
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(say :neut "NEUT V0.71.4RC12 ONLINE" "" "PRESS SPACE TO TAKE CONTROL")
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] [
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(say :jaye "NEUT IS RUNNING NOW." "I CAN HIT THE SPACE BAR" "TO CONTROL THEM.")
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])
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]) :term)
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(vm:word :firstterm
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(vm:if-and [[:is-jaye?] [:dup ev.touch :=]] [
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:responder-itile (itile :termoff) := (vm:when
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(say :jaye "LOOKS LIKE THERE'S STILL" "POWER TO THIS TERMINAL."))
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(say :jaye "IF I TURN A TERMINAL ON," "NEUT CAN USE IT TO" "TRAVEL THROUGH THE NETWORK.")
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]) :term)
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(vm:word :exitscanner
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(vm:if-and [[:is-jaye?] [:dup ev.touch :=]] [
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(say :jaye "IT'S A CARD SCANNER." "IT SHOULD OPEN THIS DOOR.")
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(say :jaye "IT'S NOT READING MY CARD" "FOR SOME REASON." "QUAKE MUST'VE DAMAGED IT.")
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(say :jaye "NEUT MIGHT BE ABLE TO" "HACK IT...")))
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(vm:word :firstdoor
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:dup ev.touch := :responder-itile (itile :doorclosed) := :& (vm:when
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(with-footer (say :jaye "IT WON'T OPEN!"))
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) :door)
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(say :jaye "NEUT MIGHT BE ABLE TO" "HACK IT...")
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]))
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level
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@ -1 +1 @@
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