3f7880e23a
everything was broken. The cases that I noticed were Ctrl-PrintScreen not being mapped to the virtual scancode 0x5c (debug) and Pause not being mapped to the physical/virtual scancode 0x46 (slock). These keys are the most complicated ones due to kludges to give some compatibility back to before AT keyboards. Alt-PrintScreen must pretend to be a separate key from PrintScreen even at the "raw" level. The (unique) usb code for it is 0x8a and we just have to map this to our unique virtual scancode 0x54, but we mapped it first to the internal code 0x7e and then to 0x79 which is a key on the Japanese 106/109 keyboard. This fix is under the UKBD_EMULATE_ATASCANCODE option which shouldn't be used for non-AT keyboards. If it is, then the syscons Japanese keymaps have nothing of importance for code 0x79 and can easily be changed. 0x54 is also unimportant in Japanese and US keymaps. NonAlt-PrintScreen and NonCtl-Pause/Break had many much larger bugs with smaller compatibility problems from fixing them. The details are too ugly to give here. Summary of the changed (hex) codes: K_RAW PrintScreen (Ctl, Shift, Ctl-Shift): E0-2A-E0-37 -> E0-37 K_RAW Alt-PrintScreen (all shift states): 79 -> 54 K_RAW Pause/Break (unshifted, Shift, Alt, Alt-Shift)): E0-46 -> E1-1D-45 K_CODE ALT-PrintScreen (all shift states): 79 -> 54 That is 15 of 32 shift combinations for 2 keys fixed, with 8 easy cases from the 79 -> 54 remapping. The difference is only large and with no workaround using a keymap for for K_RAW, but this affects other modes when ukbd is layered under kbmux because kbmux keeps all subdevices in K_RAW mode and translates. Oops. I used kbdmux to generate the above table of changes.
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