X68000 keyboard has ALPS linear switches.
- DSETK0016CE01 green linear
+- DSETK0022CE02 yellow linear
- DSETK0023CE03 yellow linear
Hardware
--------
Target MCU is ATMega32u4 but other USB capable AVR will also work.
-You can use PJRC Teensy as dev board.
+You can use PJRC Teensy as development board.
http://www.pjrc.com/teensy/
Wiring:
Data from computer
------------------
-- LED contorol ON/OFF(0/1)
+- LED control ON/OFF(0/1)
bit 7 1(fixed)
bit 6 全角
bit 5 ひらがな
`-----------------------------------------------------------| .---=====---. |-----------| 4E|
| 5F| 55 | 56 | 35 | 57 | 58 | 59 | 60| | 72 | 73 | | 4F| 50| 51| |
`---------------------------------------------' `-----------' `---------------'
+
+
+
+LED Special Functions
+---------------------
+http://homepage2.nifty.com/m_kamada/docs/unlistedx68k.htm#keyboard
+
+1. Random Illumination
+ Plug in with pressing F1, F2 and F3.
+
+2. Sequential Illumination
+ Plug in with pressing 記号入力(52), 登録(53) and HELP.
+
+3. Scan code Display
+ Plug in with pressing かな(5A), ローマ字(5B) and コード入力(5C).
+ You can see its scan code on LEDs by pressing a key.
+ +---------------------------------------------------+
+ |bit|6 |5 |4 |3 |2 |1 |0 |
+ |---+----+--------+---+----+----------+--------+----|
+ |LED|全角|ひらがな|INS|CAPS|コード入力|ローマ字|かな|
+ +---------------------------------------------------+