vgm-conv/dist/converter/ssg-to-ay8910-converter.js

Chip-type and clock converter for VGM.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.YM2608ToAY8910Converter = exports.YM2203ToAY8910Converter = void 0;
const vgm_converter_1 = require("./vgm-converter");
const vgm_parser_1 = require("vgm-parser");
class SSGToAY8910Converter extends vgm_converter_1.VGMConverter {
    convertCommand(cmd) {
        const convertSSG = this.from.subModule == null || this.from.subModule === "ssg";
        const convertFM = this.from.subModule == null || this.from.subModule === "fm";
        if (cmd instanceof vgm_parser_1.VGMWriteDataCommand && cmd.chip === this.from.chip && cmd.index === this.from.index) {
            if (cmd.addr < 0x10) {
                if (convertSSG) {
                    return [cmd.copy({ target: vgm_parser_1.VGMWriteDataTargetId.ay8910 })];
                }
            }
            else {
                if (convertFM) {
                    return [];
                }
            }
        }
        return [cmd];
    }
}
class YM2203ToAY8910Converter extends SSGToAY8910Converter {
    constructor(from, to, opts) {
        super(from, { chip: "ay8910", index: from.index, clock: 1 / 2, relativeClock: true });
    }
}
exports.YM2203ToAY8910Converter = YM2203ToAY8910Converter;
class YM2608ToAY8910Converter extends SSGToAY8910Converter {
    constructor(from, to, opts) {
        super(from, { chip: "ay8910", index: from.index, clock: 1 / 4, relativeClock: true });
    }
}
exports.YM2608ToAY8910Converter = YM2608ToAY8910Converter;