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master
forksand-xd87
future
future_unformatted
python_tests
qmk_clang_format
fix/oled_timeout
docs/rgb_matrix_startup
fix/print_buffer_overflow
planck_thk
vuepress
clueboard_2x1800_2019
future_ppdis_none
tweak_clang_format
enforce-clang-format
clang-format
arm-dac-work
titmlb
planck-ez-a5-high
planck_ez_wdg
planck_ez_with_5372
arm_rgb
rgb7seg
peasy
clueboard_66hs_arm
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clockworkpi
embedded
i18n
subatomic
unorthodox
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qwiic_joystiic
automate_kc_prefix
qwiic_hud
matrix_update
peb
clueboard_66hs
pragma_once
olkb-defaults
edez2
muon_light
qwiic_hub
muon_light_dc
keymap_folders
planck_light_rev2
internal/led_qa
l100
docsify_setup
fywut
keycode_versioning
readme-update
clueboard_hotswap
handwire
twi2c
arm_audio_fixes
xmega_support
audio_out
gb_port
clueboard_1
info_json_populate
pjrc_hid
subvendor_ids
stm32l476
ps2avrgb
travis_phases
dz_support
make_autocomplete
hid_api
clueboard_arm
sid
keyboards_json
keyboard_identifiers
pp_definitions
teensy_lc_synth
eeprom_update
process_keycode_update
b6_b7_audio
example_keyboards
preonic-1.0
planck-4.0
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LUFA-111009
LUFA-130901
LUFA-130901-BETA
LUFA-140302
LUFA-140928
LUFA-151115
LUFA-170418
breakpoint_2019_08_30
ergodox_ez-161205
gh60-0.1
planck-4.1
planck-4.2
planck-5.0
planck-6.0
planck-6.1
planck-light-1.0
preonic-2.0
v4.0
${ noResults }
tmk
796defa86c
- Remove prog_char from xpritnf - Remove prog_macro_t from acton_macro avr-libc-1.8 removed 'prog_*' typedef because the usage of the __progmem__ attribute on a type is not supported in GCC. http://www.nongnu.org/avr-libc/changes-1.8.html |
12 years ago | |
|---|---|---|
| .. | ||
| Makefile | Fix BOOTLOADER_SIZE setting | 12 years ago |
| README | New keymap of PC98 | 12 years ago |
| config.h | Fix legacy keymap support | 12 years ago |
| keymap.c | Fix deprecated 'prog_*' typedef - Issue #34 | 12 years ago |
| led.c | Add initial files for PC98 | 12 years ago |
| matrix.c | Rename file layer_switch to action_layer | 12 years ago |
README
PC98 to USB keyboard protocol converter
=======================================
Target MCU is ATMega32u4 but other USB capable AVR will also work.
Connector
---------
8Pin mini DIN
___ ___
/ |_| \
/ 8 7 6 \
| 5 4 3 |
\_ 2 1 _/
\_____/
(receptacle)
Wiring: You can change this with ediging config.h.
Pin mini DIN MCU
----------------------------------
1 ~RST PD1
2 GND GND
3 ~RDY PD4
4 RXD PD2
5 ~RTY PD5
6 NC
7 NC
8 5V VCC
Protocol
--------
Singnal: Asynchronous, Positive logic, 19200baud, Least bit first
Frame format: 1-Start bit(Lo), 8-Data bits, Odd-Parity, 1-Stop bit
This converter uses software method for testing purpose. AVR UART engine will work better.
Build Firmware
--------------
Just use 'make'
$ cd pc98_usb
$ make
Then, load the binary to MCU with your favorite programmer.
Other PC98 converter projects and resource
------------------------------------------
PC98 to USB
http://davy.nyacom.net/kbd98usb/
PC98 to PS/2
http://www.tsp.ne.jp/~sawada/mago/c_gka98at.htm
http://www.tsp.ne.jp/~sawada/mago/src/gka98at.asm
PC98 keyboard commands
http://www.webtech.co.jp/company/doc/undocumented_mem/io_kb.txt
Inhibit repeating key:
0x9C, 0x70