// NEWLIB
//alert ('NEWLIB')
var testingmoves = false
var curb=""
var emptyf = "_"
var whiteturn = ">"
var blackturn = "<"
var blackbottom = "bb"
var whitebottom = "wb"
var bottomcolor = whitebottom
var curb=forsythtoplain(initpos())
var themove="*"
var thename=""
var boardnum=0
var boards = new makearray(100)
//boards = initarray(boards,"")
var readingmove = true
var writtenR = "R"
var writtenN = "N"
var writtenB = "B"
var writtenQ = "Q"
var writtenK = "K"
var bshowifwhite = true
var bshowifblack = true
function showifwhite() {
bshowifwhite = true
bshowifblack = false
findquestionstoask()
return true
}
function showifblack() {
bshowifwhite = false
bshowifblack = true
findquestionstoask()
return true
}
function showifany() {
bshowifwhite = true
bshowifblack = true
findquestionstoask()
return true
}
function forsythtoplain(aa) {
// e.g. aa = "r1bqkbnr;pppp1ppp;2n5;1B2p4;4P3;5N2;PPPP1PPP;RNBQKB1R;>"
aa = new String (aa)
res=""
thelen=aa.length
for (i=0;i officer
// ---------------------------------------------
if (ispawn(piece)) {
if (tof.charAt(1)=="8" || tof.charAt(1)=="1") {
if (false) {
} else if (piece=="p"){
piece = "z"
} else if (piece=="P"){
piece = "Z"
}
}
}
// ---------------------------------------------
// and then...
// ---------------------------------------------
// alert ( "makemove res < " + fromf + tof
// + "\n" +bb )
bb = replacepiece ( bb, tofnum, piece )
bb = replacepiece ( bb, fromfnum, emptyf )
bb = replacepiece ( bb, turnnumber, switchturn(turn) )
// alert ( "makemove res > " + bb )
if (updatecurb) {curb = bb}
return bb
} // makemove
function fieldtonumber ( ff ) {
// ---------------------------------------------
// -- ff: "e2" (e.g.)
// ---------------------------------------------
//alert ( 'fieldtonumber: ' + ff )
theline = ff.charAt(0)
therow = ff.charAt(1)
// alert ( 'line ' + theline + " row " + therow )
res = 8 * rowtonumber(therow) + linetonumber(theline)
//alert ( 'fieldtonumber-res: ' + res )
return res
}
function numbertofield ( ff ) {
// ---------------------------------------------
// -- ff: 17 (e.g.)
// ---------------------------------------------
//alert ( 'numbertofield: ' + ff )
linenum = ff % 8
rownum = mydiv(ff,8)
res = ""
// alert ( 'line ' + linenum + " row " + rownum )
res += numbertoline(linenum)
res += numbertorow(rownum)
//alert ( 'numbertofield-res: ' + res )
return res
}
function linetonumber(theline) {
if (theline=="a") {return 0}
if (theline=="b") {return 1}
if (theline=="c") {return 2}
if (theline=="d") {return 3}
if (theline=="e") {return 4}
if (theline=="f") {return 5}
if (theline=="g") {return 6}
if (theline=="h") {return 7}
}
function numbertoline(linenumber) {
if (linenumber==0) {return "a"}
if (linenumber==1) {return "b"}
if (linenumber==2) {return "c"}
if (linenumber==3) {return "d"}
if (linenumber==4) {return "e"}
if (linenumber==5) {return "f"}
if (linenumber==6) {return "g"}
if (linenumber==7) {return "h"}
}
function rowtonumber(therow) {
if (therow=="8") {return 0}
if (therow=="7") {return 1}
if (therow=="6") {return 2}
if (therow=="5") {return 3}
if (therow=="4") {return 4}
if (therow=="3") {return 5}
if (therow=="2") {return 6}
if (therow=="1") {return 7}
}
function numbertorow(rownumber) {
if (rownumber==0) {return "8"}
if (rownumber==1) {return "7"}
if (rownumber==2) {return "6"}
if (rownumber==3) {return "5"}
if (rownumber==4) {return "4"}
if (rownumber==5) {return "3"}
if (rownumber==6) {return "2"}
if (rownumber==7) {return "1"}
}
function replacepiece ( bb, ii, piece ) {
// ---------------------------------------------
// -- bb: the board
// -- ff: field (number 0-63)
// -- piece: e.g. "r" = rook
// ---------------------------------------------
// alert ( "replacepiece: " + piece )
res = replacestringpos(bb,ii,ii+1,piece)
// alert ( "replacepiece res = " + res )
return res
}
function switchturn ( turn ) {
// ---------------------------------------------
// -- turn = blackturn/whiteturn
// ---------------------------------------------
if (turn==whiteturn) {
return blackturn
} else {
return whiteturn
}
}
function replacestringpos ( ss, ii, jj, tt ) {
// ---------------------------------------------
// -- bb: the string
// -- ii: start of substring to be replaced
// -- jj: first char after substring to be replaced
// -- tt: replace string
// ---------------------------------------------
// alert ( "replacestringpos: " + ss + "\n" + ii + ", " + jj + ", " + tt )
res = ""
res += ss.substring(0,ii)
res += tt
res += ss.substring(jj,ss.length)
// alert ( 'result: ' + res )
return res
}
function initpos() {
return (
"rnbqkbnr;"
+ "pppppppp;"
+ "8;"
+ "8;"
+ "8;"
+ "8;"
+ "PPPPPPPP;"
+ "RNBQKBNR;>"
)
}
// -----------------------------------------------
// ** Parsing a chess game
// **
// -----------------------------------------------
