zdata.length) {
Debug.write("Invalid file: bad length: " + dataLength);
return;
}
var sum = 0;
for (var i = 64; i < dataLength; i++)
sum = (sum+zdata[i])%65536;
if (sum != getWord(28)) {
Debug.write("Invalid file: bad checksum: " + getWord(28));
return;
}
Debug.write("High memory: " + getWord(4));
Debug.write("Initial PC: " + getWord(6));
brk = getWord(14);
zmemory = zdata.slice(0, brk);
// init header values
setByte(1,28); // flags
setByte(16,getByte(16)&2); // flags
setByte(30,1); // interp number
setByte(31,65); // interp version
setByte(32,this.rows);
setByte(33,this.cols);
setWord(34,this.cols);
setWord(36,this.rows);
setByte(38,1);
setByte(39,1);
setByte(44,0);
setByte(45,1);
setByte(50,1);
setByte(41,0);
// zscreen.setNotifyResize(function() {
// setByte(32,this.rows);
// setByte(33,this.cols);
// setWord(34,this.cols);
// setWord(36,this.rows);
// });
extraCharTable = {
155:0x0e4, 156:0x0f6, 157:0x0fc, 158:0x0c4, 159:0x0d6, 160:0x0dc,
161:0x0df, 162:0x0bb, 163:0x0ab, 164:0x0eb, 165:0x0ef, 166:0x0ff,
167:0x0cb, 168:0x0cf, 169:0x0e1, 170:0x0e9, 171:0x0ed, 172:0x0f3,
173:0x0fa, 174:0x0fd, 175:0x0c1, 176:0x0c9, 177:0x0cd, 178:0x0d3,
179:0x0da, 180:0x0dd, 181:0x0e0, 182:0x0e8, 183:0x0ec, 184:0x0f2,
185:0x0f9, 186:0x0c0, 187:0x0c8, 188:0x0cc, 189:0x0d2, 190:0x0d9,
191:0x0e2, 192:0x0ea, 193:0x0ee, 194:0x0f4, 195:0x0fb, 196:0x0c2,
197:0x0ca, 198:0x0ce, 199:0x0d4, 200:0x0db, 201:0x0e5, 202:0x0c5,
203:0x0f8, 204:0x0d8, 205:0x0e3, 206:0x0f1, 207:0x0f5, 208:0x0c3,
209:0x0d1, 210:0x0d5, 211:0x0e6, 212:0x0c6, 213:0x0e7, 214:0x0c7,
215:0x0fe, 216:0x0f0, 217:0x0de, 218:0x0d0, 219:0x0a3, 220:0x153,
221:0x152, 222:0x0a1, 223:0x0bf,
224:63, 225:63, 226:63, 227:63, 228:63, 229:63, 230:63, 231:63,
232:63, 233:63, 234:63, 235:63, 236:63, 237:63, 238:63, 239:63,
240:63, 241:63, 242:63, 243:63, 244:63, 245:63, 246:63, 247:63,
248:63, 249:63, 250:63, 251:63
};
// FIXME: specified table
charTable = [["a","b","c","d","e","f","g","h","i","j","k","l","m",
"n","o","p","q","r","s","t","u","v","w","x","y","z"],
["A","B","C","D","E","F","G","H","I","J","K","L","M",
"N","O","P","Q","R","S","T","U","V","W","X","Y","Z"],
[null,"\n","0","1","2","3","4","5","6","7","8","9",".",
",","!","?","_","#","'","\"","/","\\","-",":","(",")"]];
if (getWord(52)) {
for (var i = 0; i < 26; i++) {
charTable[0][i] = String.fromCharCode(getByte(getWord(52)+i));
charTable[1][i]=String.fromCharCode(getByte(getWord(52)+26+i));
if (i > 1)
charTable[2][i] = String.fromCharCode(
getByte(getWord(52)+52+i));
}
}
invCharTable = {};
for (var i = 0; i < 26; i++) {
invCharTable[charTable[0][i].charCodeAt(0)] = i+6;
invCharTable[charTable[1][i].charCodeAt(0)] = 32+i+6;
if (i > 0)
invCharTable[charTable[2][i].charCodeAt(0)] = 64+i+6;
}
stackFrame.pc = getWord(6);
// start the mainloop
if (!this.mainloopDelegate) {
this.mainloopDelegate = new LzDelegate(this, "mainloop");
}
LzTimer.addTimer(this.mainloopDelegate, this.mainloopDelay);
]]>
0)
{
if (keys[0] != this.lastKey)
{
zscreen.receiveKey(keys[0]);
this.lastKey = keys[0];
}
}
else
{
this.lastKey = "";
}
// handle cursor blinking
// this.blinkcount -= 1;
// if (this.blinkcount <= 0)
// {
// zscreen.cursorOn = !zscreen.cursorOn;
// zscreen.positionCursor();
// this.blinkcount = 50;
// }
}
this.scheduleMainLoop();
]]>
LzTimer.resetTimer(this.mainloopDelegate, this.mainloopDelay);
>> 16) & 255, (n >>> 8) & 255, n & 255);
//r += String.fromCharCode((n >>> 16) & 255, (n >>> 8) & 255, n & 255);
data[data.length] = (n >>> 16) & 255;
data[data.length] = (n >>> 8) & 255;
data[data.length] = (n & 255);
}
// remove any zero pad that was added to make this a multiple of 24 bits
//return r.substr(0, r.length - p.length);
return data.slice(0, data.length - p.length);
]]>