116 lines
3 KiB
TypeScript
116 lines
3 KiB
TypeScript
class Byte {
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private value: number;
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public constructor(init: number = 0) {
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this.value = init & 0xFF | (init < 0 ? 0x80 : 0);
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}
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public Add(val: Byte): Byte;
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public Add(val: number): Byte;
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public Add(val: any): Byte {
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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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public Sub(val: Byte): Byte;
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public Sub(val: number): Byte;
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public Sub(val: any): Byte {
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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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public Get(): number {
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return this.value;
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}
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public Set(val: Byte);
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public Set(val: number);
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public Set(val: any) {
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this.value = typeof val == "number" ? val & 0xFF : val.Get();
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}
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public Neg(bind: boolean = 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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public And(val: Byte);
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public And(val: number);
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public And(val: any) {
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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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public Or(val: Byte);
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public Or(val: number);
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public Or(val: any) {
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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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public Xor(val: Byte);
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public Xor(val: number);
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public Xor(val: any) {
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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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public Not() {
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this.value = ~this.value;
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}
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public Bit(pos: number, val: boolean) {
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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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public Test(pos: number): boolean {
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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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public ShiftLeft(carry: boolean = false, value: boolean = false): boolean {
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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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public ShiftRight(carry: boolean = false, value: boolean = false): boolean {
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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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}
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class Word {
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private value: Byte[];
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public constructor(high: number);
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public constructor(high: Byte, low: Byte);
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public constructor(high: any, low?: Byte) {
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this.Set(high, low);
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}
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public High(): Byte {
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return this.value[0];
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}
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public Low(): Byte {
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return this.value[1];
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}
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public Set(high: number);
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public Set(high: Byte, low: Byte);
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public Set(high: any, low?: Byte) {
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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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public SetHigh(value: Byte) {
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}
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} |