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<qe.length;l++)i[l-Ce]^=qe[l];(i=function(e){for(var n=[],r=0;r<e.length;){for(var t=0;r<e.length&&0==e[r]&&t<=255;)t++,r++;for(t>0&&(n.push(0),n.push(t-1));r<e.length&&0!=e[r];)n.push(e[r]),r++}return n}(i)).splice(0,0,0,0,0,0),s=i,a=0,o=e.endmem,s[a]=o>>24&255,s[a+1]=o>>16&255,s[a+2]=o>>8&255,s[a+3]=255&o,t.push({key:"CMem",chunk:i});var f=[];for(t.push({key:"Stks",chunk:f}),l=0;l<ye.length;l++)L(ye[l],f);if(tn()){var c=[];t.push({key:"MAll",chunk:c}),_(c,Ae),_(c,Ee.length);for(l=0;l<Ee.length;l++)_(c,Ee[l].addr),_(c,Ee[l].size)}var u=[];g(u,"IFZS"),u=u.concat(Xe(t));var d=Xe([{key:"FORM",chunk:u}]);return Glk.glk_put_buffer_stream(r,d),!0},e.vm_restore=function(n){2!=e.iosysmode&&G("Streams are only available in Glk I/O system.");var t=GiDispa.class_obj_from_id("stream",n);if(!t)return!1;for(var s=new Array(0),a=new Array(1024),i=1;i>0;)i=Glk.glk_get_buffer_stream(t,a),s=s.concat(a.slice(0,i));if(!(s=Ye(s)))return r("vm_restore failed: file is not Quetzal"),!1;if(!(s=s.FORM)||"IFZS"!=k(s,0,4))return r("vm
_restore failed: file doesn't start with FORM/IFZS header"),!1;var l=Ye(s.slice(4));if(!l.IFhd)return r("vm_restore failed: missing required IFhd chunk"),!1;for(var f=0;f<128;f++)if(l.IFhd[f]!=qe[f])return r("vm_restore failed: this save image is for a different game"),!1;if(!l.CMem)return r("vm_restore failed: missing required CMem chunk"),!1;if(!l.Stks)return r("vm_restore failed: missing required Stks chunk"),!1;var c=en();rn();var u=o(l.CMem,0),d=l.CMem.slice(4);for(d=function(e){for(var n=[],r=0;r<e.length;){var t=e[r++];if(0==t)for(var s=e[r++]+1,a=0;a<s;a++)n.push(0);else n.push(t)}return n}(d);d.length<u-Ce;)d.push(0);for(Ke(u,!1),be=qe.slice(0,Ce).concat(d),f=Ce;f<qe.length;f++)be[f]^=qe[f];be.length!=e.endmem&&G("Memory length was incorrect after restore.");var h=l.Stks;for(ye=[];h.length;)e.frame=A(h),e.frame||G("vm_restore failed: bad stack frame"),ye.unshift(e.frame);for(f=0;f<ye.length;f++)ye[f].depth=f;e.frame=ye[ye.length-1];var p=l.MAll;if(p&&p.length>=8){Ae=o(p,0);var m=o(p,4);for(f=0;f<m;f
++){var g=o(p,8+8*f),_=o(p,12+8*f);Ee.push(new sn(g,_))}Ee.sort((function(e,n){return e.addr-n.addr}));var v=Ae;for(f=0;f<Ee.length;f++){g=Ee[f].addr,_=Ee[f].size;(g<v||g+_>e.endmem)&&G("vm_restore failed: corrupt dynamic heap"),g>v&&We.push(new sn(v,g-v)),v=g+_}v<e.endmem&&We.push(new sn(v,e.endmem-v))}return on(),nn(c),!0},e.vm_saveundo=function(){be.length!=e.endmem&&G("Memory length was incorrect before saveundo.");var n,r,t={};t.ram=be.slice(Ce),t.endmem=e.endmem,t.pc=e.pc,t.stack=[];for(var s=0;s<ye.length;s++)t.stack[s]=(n=ye[s],r=void 0,(r=new F(n.vmfunc)).depth=n.depth,r.framestart=n.framestart,r.framelen=n.framelen,r.valstack=n.valstack.slice(0),r.localspos=n.localspos,r.locals=n.locals.slice(0),r.framelen=n.framelen,r);t.heapstart=Ae,t.usedlist=Ee.slice(0),t.freelist=We.slice(0),Le.push(t),Le.length>10&&Le.shift()},e.vm_restoreundo=function(){if(0==Le.length)return!1;var n=Le.pop(),r=en();return be=be.slice(0,Ce).concat(n.ram),e.endmem=n.endmem,ye=n.stack,e.frame=ye[ye.length-1],e.pc=n.pc,Ae=n.hea
pstart,Ee=n.usedlist,We=n.freelist,nn(r),be.length!=e.endmem&&G("Memory length was incorrect after undo."),on(),!0},e.change_memsize=Ke,e.perform_verify=function(){var e,n,r,t=qe.length;if(t<256||0!=(255&t))return 1;if(t!=o(qe,12))return 1;for(n=-(r=o(qe,32))>>>0,e=0;e<t;e+=4)n=n+o(qe,e)>>>0;return n!=r?1:0},e.heap_malloc=function(n){tn()||(Ae=e.endmem);for(var r=0,t=We.length;r<t;r++){var s=We[r];if(s.size>=n){s.size>n?We[r]=new sn(s.addr+n,s.size-n):We.splice(r,1);var a=an(Ee,s.addr);return Ee.splice(a,0,new sn(s.addr,n)),s.addr}}var o=e.endmem,i=n+255&4294967040;return Ke(e.endmem+i,!0),i>n&&We.push(new sn(o+n,i-n)),Ee.push(new sn(o,n)),o},e.heap_free=function(e){var n=an(Ee,e),r=Ee[n];if(r&&r.addr==e||G("Tried to free non-existent block"),Ee.splice(n,1),0==Ee.length)return Ke(Ae,!0),void rn();n=an(We,e);var t=We[n];t&&t.addr==r.end&&(r=new sn(e,r.size+t.size),We.splice(n,1));var s=We[n-1];s&&s.end==r.addr&&(r=new sn(s.addr,s.size+r.size),We.splice(n-1,1),n-=1),We.splice(n,0,r)},e.assert_heap_valid=on;var
 ln={map:{},functions:[],functionmap:{}};function fn(){var n,t,s,a,o;for(e.resumefuncop&&(!function(n,r){if(n)switch(n.mode){case 8:return void e.frame.valstack.push(r);case 0:return;case 11:return void(4==n.argsize?e.frame.locals[n.addr]=r:2==n.argsize?e.frame.locals[n.addr]=65535&r:e.frame.locals[n.addr]=255&r);case 15:return void(4==n.argsize?m(n.addr,r):2==n.argsize?p(n.addr,r):h(n.addr,r));default:G("Unknown addressing mode in store func by operand.")}}(e.resumefuncop,e.resumevalue),e.resumefuncop=null,e.resumevalue=0),a=(new Date).getTime();!e.done_executing;){void 0===(s=(t=(n=e.frame.vmfunc)[e.iosysmode])[e.pc])&&(n.pathaddrs[e.pc]=!0,s=$(n,e.pc,e.iosysmode),He++,e.pc<Ce&&(t[e.pc]=s,Qe++)),Be++,s(e)===e.VMStopped&&(e.done_executing=!0,e.vm_stopped=!0)}o=(new Date).getTime(),Oe+=(o-a)/1e3,e.vm_stopped&&Glk.glk_exit(),Glk.update(),Ve&&r("event executed in "+(o-a)+" ms")}return e.VMStopped={dummy:"The top-level function has returned."},{version:"2.1.7",prepare:function(e,n){var t,s,a=(qe=e).slice(0,64);
for(t=0;t<a.length;t++)(s=a[t].toString(16)).length<2&&(s="0"+s),a[t]=s;Te=a.join(""),n&&(Ve=n.log_execution_time,De=n.rethrow_exceptions,Ie=n.do_vm_autosave,Re=n.clear_vm_autosave),n&&n.debug_info_chunk&&function(){var e,n,t,s=GiLoad.get_debug_info();if(!s)return;if(222!=s[0]||191!=s[1]||0!=s[2]||0!=s[3])return void r("Dbug chunk did not contain an (old-style) Inform gameinfo.dbg file");s[4],s[5];n=6,e=!1;for(;!e;){var a=s[n++];switch(a){case 0:case void 0:e=!0;break;case 1:s[n++];for(t=n;s[n];)n++;String.fromCharCode.apply(this,s.slice(t,n));for(n++,t=n;s[n];)n++;String.fromCharCode.apply(this,s.slice(t,n));n++;break;case 2:for(t=n;s[n];)n++;String.fromCharCode.apply(this,s.slice(t,n));n++;s.slice(n,n+4);n+=4;s.slice(n,n+4);n+=4;break;case 3:s[n++],s[n++];for(t=n;s[n];)n++;String.fromCharCode.apply(this,s.slice(t,n));n++;s.slice(n,n+4);n+=4;s.slice(n,n+4);n+=4;break;case 4:s[n++];for(t=n;s[n];)n++;var o=String.fromCharCode.apply(this,s.slice(t,n));n++;break;case 5:s[n++],s[n++];for(t=n;s[n];)n++;o=String.f
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s[n++],s[n++],s[n++];break;default:r("Unknown record type in debug data: "+a),e=!0}}var p,m=ln.map["code area"];if(m)for(p=0;p<ln.functions.length;p++){var g=ln.functions[p];ln.functionmap[m+g.addr]=g}}()},init:function(){if(e.vm_started)Glk.fatal_error("Quixe was inited twice!");else try{!function(){var e,n;for(e=0;e<256;e++)n=e.toString(16),e<16&&(n="0"+n),s[e]=n;for(e=0;e<256;e++)n=e>=32&&e<127?34==e||39==e||92==e?"\\"+String.fromCharCode(e):String.fromCharCode(e):10==e?"\\n":"\\x"+s[e],a[e]=n}(),function(){function e(e,n){this.argsize=n||4,this.numops=e.length;for(var r=[],t=0;t<e.length;t++)r.push(e.charAt(t));this.formlist=r}var n=new e(""),r=new e("L"),t=new e("LL"),s=new e("LLL"),a=new e("LLLL"),o=new e("LS"),i=new e("LLS"),l=new e("LLLLLLS"),f=new e("LLLLLLLS"),c=new e("LLSS"),u=new e("LC"),d=new e("LLC"),h=new e("LLLC"),p=new e("LLLLC"),m=new e("ES"),g=new e("LES"),_=new e("EES"),v=new e("F"),w=new e("LF"),k=new e("LLF"),b=new e("EF"),y=new e("EF",1),x=new e("EF",2),M=new e("S"),z=new e("SS"),S=new
 e("CL"),C=new e("C");W={0:n,16:_,17:g,18:i,19:i,20:i,21:m,24:_,25:_,26:_,27:m,28:i,29:i,30:i,32:r,34:t,35:t,36:s,37:s,38:s,39:s,40:s,41:s,42:s,43:s,44:s,45:s,48:d,49:r,50:S,51:t,52:t,64:b,65:x,66:y,68:o,69:o,72:i,73:i,74:i,75:i,76:s,77:s,78:s,79:s,80:v,81:w,82:n,83:t,84:r,112:r,113:r,114:r,115:r,256:i,257:r,258:M,259:o,260:r,272:o,273:r,288:n,289:M,290:n,291:u,292:w,293:C,294:v,295:t,304:k,320:M,321:r,328:z,329:t,336:f,337:f,338:l,352:u,353:d,354:h,355:p,368:t,369:s,376:o,377:r,384:t,385:t,400:o,401:o,402:o,408:o,409:o,416:i,417:i,418:i,419:i,420:c,424:o,425:o,426:o,427:i,432:o,433:o,434:o,435:o,436:o,437:o,438:i,448:a,449:a,450:s,451:s,452:s,453:s,456:t,457:t}}(),function(){var t;qe||G("There is no Glulx game file loaded.");e.vm_started=!0,e.resumefuncop=null,e.resumevalue=0,be=null,ye=[],e.frame=null,e.pc=0,e.prevpc=0,qe.length<36&&G("This is too short to be a valid Glulx file.");1198290284!=o(qe,0)&&G("This is not a valid Glulx file.");(t=o(qe,4))<131072&&G("This Glulx file is too old a version to execut
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usedlist[a+1];Ee.push(new sn(o,i))}Ee.sort((function(e,n){return e.addr-n.addr})),We=[];var l=Ae;for(s=0;s<Ee.length;s++){o=Ee[s].addr,i=Ee[s].size;(o<l||o+i>e.endmem)&&G("vm_autorestore failed: corrupt dynamic heap"),o>l&&We.push(new sn(l,o-l)),l=o+i}l<e.endmem&&We.push(new sn(l,e.endmem-l))}on(),de(n.stringtable),he(n.iosysmode,n.iosysrock),e.protectstart=n.protectstart,e.protectend=n.protectend,void 0===n.srand_table?K(0):(K(1),re=n.srand_table.slice(0),ee=n.srand_index1,ne=n.srand_index2);for(var a in oe=n.accel_params.slice(0),n.accel_funcnum_map)ae[a]=n.accel_funcnum_map[a],se[a]=e.accel_func_map[ae[a]];Glk.restore_allstate(n.glk),Y(0)}(s)}catch(e){r("Autorestore failed, deleting it: "+n(e)),e.stack&&r("JS stack dump:\n"+e.stack),Dialog.autosave_write(Te,null)}$e()}(),fn()}catch(e){if(e.stack&&r("JS stack dump:\n"+e.stack),t(),Glk.fatal_error("Quixe init: "+n(e)),De)throw e}},resume:function(s){try{e.done_executing=e.vm_stopped,fn()}catch(e){if(e.stack&&r("JS stack dump:\n"+e.stack),t(),Glk.fatal_error
("Quixe run: "+n(e)),De)throw e}},get_signature:function(){return Te},get_vm_internals:function(){return e},get_statistics:function(){return{game_image_length:qe.length,total_execution_time:Oe,total_function_calls:Ue,accel_function_calls:Pe,total_path_calls:Be,paths_cached:Qe,paths_compiled:He,strings_cached:Ze,strings_compiled:Je}},get_debuginfo:function(){return ln},ReadByte:function(n){return 4294967295==n?255&e.frame.valstack.pop():f(n)},WriteByte:function(n,r){4294967295==n?e.frame.valstack.push(255&r):h(n,r)},ReadWord:function(n){return 4294967295==n?e.frame.valstack.pop():u(n)},WriteWord:function(n,r){4294967295==n?e.frame.valstack.push(r):m(n,r)},ReadStructField:function(n,r){return 4294967295==n?e.frame.valstack.pop():u(n+4*r)},WriteStructField:function(n,r,t){4294967295==n?e.frame.valstack.push(t):m(n+4*r,t)},SetResumeStore:function(n){e.resumevalue=n},do_autosave:function(n){if(n<0)Dialog.autosave_write(Te,null);else{var t,s,a=(t=e.prevpc,s=f(t),t++,128&s&&(64&s?(s=(s=(s=(s&=63)<<8|f(t))<<8|f(++t)
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