AlphaSmart001-20230301b.lst

Current disassembly listing; work in progress, will update periodically

plain - 306.99 kB - 03/01/2023 at 19:49

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Holes-001.png

for the curious; holes in the scancode map

Portable Network Graphics (PNG) - 5.54 kB - 02/25/2023 at 14:26

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AlphaSmartPro-keyboard-002.jpg

Keyboard with AlphaSmart Pro scan codes overlaid!

JPEG Image - 287.21 kB - 02/22/2023 at 23:03

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lt1173.pdf

DC-DC converter used to boost 3v to 5v, and also provides low battery indication.

Adobe Portable Document Format - 261.73 kB - 02/18/2023 at 17:47

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AlphaSmart001.HEX

the ROM dump! courtesy of my friend [Eric]

hex - 22.51 kB - 02/15/2023 at 19:52

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AlphaSmart Pro - Owners Manual.pdf

The product manual to this gizmo. This is seems to be for a later version of the firmware than I have because there's a bunch of documented features that are not present in this unit. But it's still handy. Just take it with an appropriate grain of salt.

Adobe Portable Document Format - 276.04 kB - 02/15/2023 at 19:51

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Samsung_LCD_2138A.pdf

datasheet for the Mitsubishi LCD conroller. conceptually similar to the HD44780, but different.

Adobe Portable Document Format - 1.34 MB - 02/15/2023 at 19:49

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1991_M68HC11RM_Reference_Manual_Rev3.pdf

Reference Manual for 68HC11; provides more details with instruction set. than the datasheet.

Adobe Portable Document Format - 29.59 MB - 02/15/2023 at 19:48

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MC68HC711D3.pdf

datasheet for the 68HC11, particularly the 'D' variants used in this device.

Adobe Portable Document Format - 1.51 MB - 02/15/2023 at 19:47

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