enhancementhelp wanted
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説明
CP/M printer performance is slow.
This is because we are sending each individual character to the virtual printer, one character at a time conforming to the CP/M BIOS function.
see: https://github.com/FujiNetWIFI/fujinet-firmware/blob/master/lib/runcpm/cpm.h#L637 and: https://github.com/FujiNetWIFI/fujinet-firmware/blob/master/lib/device/sio/printer.cpp#L115
The buffer in question happens to be 320 bytes long, so up to 320 bytes can be sent to the printer in print_from_cpm(), which would vastly speed up the process, and using a timer to indicate when to flush the buffer (assuming less than 320 bytes is in it)
-Thom