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I implement the screen using XCB which is much more friendly than z80e's SDL+CMake for development machines that want to install minimal dependencies (for example, a port-less OpenBSD rig).
27 lines
896 B
Markdown
27 lines
896 B
Markdown
# TI-84+ emulator
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This emulates a TI-84+ with its screen and keyboard. This is suitable for
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running the `ti84` recipe.
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## Build
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You need `xcb` and `pkg-config` to build this. If you have them, run `make`.
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You'll get a `ti84` executable.
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## Usage
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Launch the emulator with `./ti84 /path/to/rom` (you can use the binary from the
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`ti84` recipe. Use the small one, not the one having been filled to 1MB).
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This will show a window with the LCD screen's content on it. Most applications,
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upon boot, halt after initialization and stay halted until the ON key is
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pressed. The ON key is mapped to the tilde (~) key.
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Press ESC to quit.
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As for the rest of the mappings, they map at the key level. For example, the 'Y'
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key maps to '1' (which yields 'y' when in alpha mode). Therefore, '1' and 'Y'
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map to the same calculator key. Backspace maps to DEL.
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Left Shift maps to 2nd. Left Ctrl maps to Alpha.
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