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How to use this manual

Navigation, search, syntax conventions and offline use.

The top bar switches between the overview, commands, system chapters, BASIC and native API. The left pane groups reference pages by package. The right pane lists sections on the current page. Previous/next links step through the reference pages.

The hierarchy shows all packages; the alphabetical index includes pages and native API routine names. Every command and BASIC statement has its own linked reference page, following a Javadoc-style organization.

Search

The search field searches page titles, summaries, keywords, sections and native API routine entries. Press the slash key to focus it, or Escape to dismiss its results. Results are links; the page remains usable if JavaScript is disabled.

Search is local to this manual. It does not contact a service or search files on the MK90.

Notation

Notation	Meaning
`[argument]`	Optional syntax; do not type the brackets.
`count\|pulse` in a synopsis	Alternatives: select one. An actual \| in a shell command line is the pipeline operator.
`expression`	An MBC-16 integer expression, not a literal word to type.
`SU`, then `S`	Sequential key presses.
`0x1234` or memory-map ranges	Hexadecimal byte addresses. Other numeric limits are decimal unless marked.
Status code links	Jump to the shared diagnostic explanation.

Offline use and printing

Extract the HTML archive while retaining its directory structure and open index.html in a browser. All styles, scripts and search records are local; no web server, Java installation or internet connection is required.

Print any page with the browser’s print command. Navigation and search controls are omitted from print. The optional single-file edition contains the same reference text with internal links and embedded assets.

Documentation version

This manual describes the 0.6 binary identified by its SHA-256 on the validation page. It documents implemented behavior rather than proposed future capabilities. Copyright and release policy.