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less CPU demanding InputStrobing

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minjaesong
2023-01-16 04:31:31 +09:00
parent af03ab23aa
commit 5b86e88779
6 changed files with 19 additions and 4 deletions
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doc/implementation.tex
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@@ -557,13 +557,16 @@ Address & RW & Description \\
-39 & RW & Text Input Stream control. Write nonzero value to open it. The Keyboard Input Buffer will be cleared whenever the Input Stream is opened. \\
-40 & WO & Latch Keyboard and Mouse input \\
-41..-48 & RO & List of pressed keys (latched by -40) \\
-49 & RO & System Flags A (code{0b r000 000t}, where r: RESET button held, t: STOP button held) \\
-49 & RO & System Flags A (\code{0b r000 000t}, where r: RESET button held, t: STOP button held) \\
-50..-52 & RO & Unused System Flags \\
-65..-68 & RO & Size of the Scratchpad Memory \\
-69 & WO & Counter Latch (\code{0b01}--Uptime, \code{0b10}--RTC) \\
-73..-80 & RO & System Uptime in nanoseconds (latched by -69) \\
-81..-88 & RO & RTC in nanoseconds (latched by -69) \\
-89 & RW & ROM Mapping \\
-90 & RW & Power Management Flags (\code{0b P000 b0ca}), where P: CPU halted, b: the device is battery-operated, c: a battery is detected, a: the battery is charging \\
-91 & RO & BMS Battery Percentage \\
-92 & RO & BMS Battery Voltage multiplied by 10 \\
-1025..-2048 & RW & Reserved for the integrated peripherals \\
-4077..-20480 & $ \ast $ & See \ref{comm-mmio} \\
-65537..-131072 & RO & Contents in the mapped ROM