27 lines
739 B
TypeScript
27 lines
739 B
TypeScript
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type V86Image = {
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async?: boolean;
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size?: number;
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url: string;
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use_parts?: boolean;
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};
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type V86ImageType = "cdrom" | "fda" | "hda";
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export type V86ImageConfig = Partial<Record<V86ImageType, V86Image>>;
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// https://github.com/copy/v86/blob/master/src/floppy.js
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const SUPPORTED_FLOPPY_TYPES = new Set([
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160, 180, 200, 320, 360, 400, 720, 1200, 1440, 1722, 2880,
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]);
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const isFloppyImage = (size: number): boolean =>
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// eslint-disable-next-line no-bitwise
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(SUPPORTED_FLOPPY_TYPES.has(size >> 10) && (size & 0x3ff) === 0) ||
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size === 512;
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export const getImageType = (ext: string, size: number): string => {
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if (ext === ".bin") return "bzimage";
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return isFloppyImage(size) ? "fda" : "hda";
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};
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