INT 33h built-in cursor support for Tandy/PCjr graphics modes

[joncampbell123]

Is your feature request related to a problem? Please describe.

No response

What you want

The codebase as-is can support drawing the mouse cursor in common CGA/EGA/VGA modes, but there is no Tandy/PCjr mode support.

Any other modes, if possible, might be nice.

For example, even though Hercules graphics modes do not have an INT 10h mode for the mouse driver to identify the mode by, how do mouse drivers of the time period (late 1980s?) support it? Or do games just draw their own?

Describe alternatives you've considered

No response

Additional information

See also: #2380 for inspiration and a test case (Tandy version of Gods).

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