126 lines
3.8 KiB
JavaScript
126 lines
3.8 KiB
JavaScript
var Byte = (function () {
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function Byte(init) {
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if (typeof init === "undefined") { init = 0; }
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this.value = init & 0xFF | (init < 0 ? 0x80 : 0);
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}
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Byte.prototype.Add = function (val) {
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val = typeof val == "number" ? new Byte(val) : val;
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var hold = this.value + val.Get();
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this.value = hold & 0xFF;
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return new Byte(hold > 255 ? hold - 255 : 0);
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};
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Byte.prototype.Sub = function (val) {
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val = typeof val == "number" ? new Byte(val) : val;
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return this.Add(val.Neg());
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};
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Byte.prototype.Get = function () {
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return this.value;
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};
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Byte.prototype.Set = function (val) {
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this.value = typeof val == "number" ? val & 0xFF : val.Get();
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};
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Byte.prototype.Neg = function (bind) {
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if (typeof bind === "undefined") { bind = false; }
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var tmp = new Byte(~this.value + 1);
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this.value = bind ? tmp.Get() : this.value;
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return tmp;
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};
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Byte.prototype.And = function (val) {
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val = typeof val == "number" ? new Byte(val) : val;
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this.value = this.value & val.Get();
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};
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Byte.prototype.Or = function (val) {
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val = typeof val == "number" ? new Byte(val) : val;
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this.value = this.value | val.Get();
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};
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Byte.prototype.Xor = function (val) {
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val = typeof val == "number" ? new Byte(val) : val;
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this.value = this.value ^ val.Get();
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};
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Byte.prototype.Not = function () {
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this.value = ~this.value;
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};
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Byte.prototype.Bit = function (pos, val) {
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pos = pos % 8;
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this.Set(val ? (this.value | Math.pow(2, pos)) : (this.value & ~Math.pow(2, pos)));
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};
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Byte.prototype.Test = function (pos) {
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pos = pos % 8;
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return (this.value & Math.pow(2, pos)) != 0;
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};
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Byte.prototype.ShiftLeft = function (carry, value) {
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if (typeof carry === "undefined") { carry = false; }
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if (typeof value === "undefined") { value = false; }
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var ret = (this.value & 0x80) != 0;
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this.Set(this.value << 1);
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this.Bit(0, carry ? ret : value);
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return ret;
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};
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Byte.prototype.ShiftRight = function (carry, value) {
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if (typeof carry === "undefined") { carry = false; }
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if (typeof value === "undefined") { value = false; }
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var ret = (this.value & 0x80) != 0;
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this.Set(this.value >>> 1);
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this.Bit(7, carry ? ret : value);
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return ret;
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};
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return Byte;
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})();
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var Word = (function () {
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function Word(high, low) {
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this.Set(high, low);
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}
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Word.prototype.Get = function () {
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return (this.value[0].Get() << 8) | this.value[1].Get();
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};
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Word.prototype.High = function () {
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return this.value[0];
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};
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Word.prototype.Low = function () {
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return this.value[1];
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};
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Word.prototype.Set = function (high, low) {
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this.value = typeof high == "number" ? [new Byte((high & ~0xFF) >> 8), new Byte(high & 0xFF)] : [high, low];
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};
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Word.prototype.SetHigh = function (value) {
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this.value[0] = typeof value == "number" ? new Byte(value) : value;
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};
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Word.prototype.SetLow = function (value) {
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this.value[1] = typeof value == "number" ? new Byte(value) : value;
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};
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Word.prototype.Add = function (value) {
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value = typeof value == "number" ? new Word(value) : value;
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var hold = this.Get() + value.Get();
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this.Set(hold);
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return new Word(hold > 0xFFFF ? hold - 0xFFFF : 0);
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//var overflow = [this.value[0].Add(value.High()), this.value[1].Add(value.Low())];
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//return new Word(overflow[0].Get() + this.value[0].Add(overflow[1]).Get());
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};
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Word.prototype.AddByte = function (value) {
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value = typeof value != "number" ? value.Get() : value;
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return this.Add(value);
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};
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return Word;
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})();
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//# sourceMappingURL=Byte.js.map
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