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https://github.com/whscullin/apple2js.git
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afc5280ac2
Get save and restore state limping along to nearly as well as before I refactored and broke everything.
49 lines
1.3 KiB
JavaScript
49 lines
1.3 KiB
JavaScript
/* Copyright 2010-2019 Will Scullin <scullin@scullinsteel.com>
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation. No representations are made about the suitability of this
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* software for any purpose. It is provided "as is" without express or
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* implied warranty.
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*/
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import { debug } from '../util';
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import { rom } from '../roms/cards/parallel';
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export default function Parallel(io, cbs) {
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debug('Parallel card');
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var LOC = {
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IOREG: 0x80
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};
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function _access(off, val) {
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switch (off & 0x8f) {
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case LOC.IOREG:
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if (cbs.putChar && val) {
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cbs.putChar(val);
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}
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break;
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default:
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debug('Parallel card unknown softswitch', off);
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}
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}
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return {
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ioSwitch: function (off, val) {
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return _access(off, val);
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},
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read: function(page, off) {
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return rom[off];
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},
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write: function() {},
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getState() {
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return {};
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},
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setState(_) {}
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};
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}
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