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authorChristian Krinitsin <mail@krinitsin.com>2025-07-03 07:27:52 +0000
committerChristian Krinitsin <mail@krinitsin.com>2025-07-03 07:27:52 +0000
commitd0c85e36e4de67af628d54e9ab577cc3fad7796a (patch)
treef8f784b0f04343b90516a338d6df81df3a85dfa2 /results/classifier/gemma3:12b/peripherals/1891829
parent7f4364274750eb8cb39a3e7493132fca1c01232e (diff)
downloadqemu-analysis-d0c85e36e4de67af628d54e9ab577cc3fad7796a.tar.gz
qemu-analysis-d0c85e36e4de67af628d54e9ab577cc3fad7796a.zip
add deepseek and gemma results
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+High bit(s) sometimes set high on rcvd serial bytes when char size < 8 bits
+
+I *believe* (not confirmed) that the old standard PC serial ports, when configured with a character size of 7 bits or less, should set non-data bits to 0 when the CPU reads received chars from the read register.  qemu doesn't do this.
+
+Windows 1.01 will not make use of a serial mouse when bit 7 is 1.  The ID byte that the mouse sends on reset is ignored.  I added a temporary hack to set bit 7 to 0 on all incoming bytes, and this convinced windows 1.01 to use the mouse.
+
+note 1:  This was using a real serial mouse through a passed-through serial port.  The emulated msmouse doesn't work for other reasons.
+
+note 2:  The USB serial port I am passing through to the guest sets non-data bits to 1.  Not sure if this is the USB hardware or linux.
+
+note 3:  I also needed to add an -icount line to slow down the guest CPU, so that certain cpu-sensitive timing code in the guest didn't give up too quickly.
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