1. Implement centralized pop-up window opening mechanism to enforce a delay between pop-up opens. This is to satisfy new restrictions on multiple pop-ups imposed by the Apple Safari 11.0 browser.
2. Correct Reload-Lockout behavior and format band 6 initialization in B220CardatronInput.
3. Correct translation of sign digits and skip-to-channel behavior in B220CardatronOutput.
4. Strip sign digit from search/scan argument word when storing into B220MagTapeControl T register.
5. Remove option for 1000-word system memory size and correct handling of memory size list selection in B220SystemConfig.
6. Change reel-to-reel magnetic tape name from DataReader to TSU in B220SystemConfig.
1. Commit initial (incomplete) implementation of magnetic tape drives (TSU) and control: MLS, MRW, MDA, MIW, MIR, MPF, MPB, MPE, MIB, MIE.
2. Change B220SetCallback.js "setImmediate" mechanism to use DOM Promises instead of window.postMessage().
3. Minor styling and window positioning changes.
1. Implementation Paper Tape Reader devices and op codes.
2. Commit standard and inverse-format paper tape loaders for WINTER.PI program.
3. Fix positioning of Cardatron and TTY/Paper Tape Punch device windows.
1. Implement console teletype printer and paper tape punch devices.
2. Correct timing mechanism and operation complete processing for asynchronous (I/O) processor mode.
3. Delete extraneous alarm toggles from B220Processor.
4. Correct Reset And Transfer switch so it will work when the Processor is running.
5. Implement Hello World default program for SPO at address 0020.
6. Change keyboard keystroke assignments for B220ConsoleKeyboard.
7. Implement Reset-to-Defaults feature for B220SystemConfig.
8. Implement DOM Element.classList for B220Util class attribute manipulation.
9. Minor typo correction to BALGOL-Generator.bacg.