vgm-conv/dist/converter/vgm-write-data-buffer.js

Chip-type and clock converter for VGM.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const vgm_parser_1 = require("vgm-parser");
class VGMWriteDataCommandBuffer {
    _outRegs = [];
    _buf = [];
    constructor(maxRegs, maxPorts = 1) {
        for (let i = 0; i < maxPorts; i++) {
            this._outRegs.push(new Int16Array(maxRegs).fill(-1));
        }
    }
    push(cmd, optimize = true) {
        if (cmd instanceof vgm_parser_1.VGMWriteDataCommand && optimize) {
            if (this._outRegs[cmd.port][cmd.addr] !== cmd.data) {
                const index = this._buf.findIndex(e => {
                    if (e instanceof vgm_parser_1.VGMWriteDataCommand) {
                        return e.port === cmd.port && e.addr === cmd.addr;
                    }
                    return false;
                });
                if (0 <= index) {
                    this._buf.splice(index, 1);
                }
                this._buf.push(cmd);
            }
        }
        else {
            this._buf.push(cmd);
        }
    }
    commit() {
        const result = Array();
        for (const cmd of this._buf) {
            if (cmd instanceof vgm_parser_1.VGMWriteDataCommand) {
                this._outRegs[cmd.port][cmd.addr] = cmd.data;
            }
            result.push(cmd);
        }
        this._buf = [];
        return result;
    }
}
exports.default = VGMWriteDataCommandBuffer;