import CPU6502 from 'js/cpu6502'; import { Memory } from 'js/types'; import { useEffect } from 'preact/hooks'; import Apple2IO, { slot } from '../apple2io'; import LanguageCardImpl from '../cards/langcard'; /** * Language Card component properties */ export interface LanguageCardProps { io: Apple2IO | undefined; cpu: CPU6502 | undefined; rom: Memory | undefined; slot: slot; } /** * Language card component. Adds 16KB of memory. * * @param cpu 6502 object * @param io Apple2IO object * @param slot Slot to register card in * @returns LanguageCard component */ export const LanguageCard = ({ cpu, io, rom, slot }: LanguageCardProps) => { useEffect(() => { if (io && cpu && rom) { const lc = new LanguageCardImpl(rom); io.setSlot(slot, lc); cpu.addPageHandler(lc); } }, [io, cpu, rom, slot]); return null; };