All of the Mouse handling code is in the "mouse" subdirectory.
There are only 2 main files, mouse.c and mouseint.c.
These are the functions defined in base/mouse/mouse.c.
Initialize internal mouse.
I have not properly tested this INT74 - JES 96/10/20 I have removed it. INT74 is irq 12. Which I suppose is the proper irq for a ps2 mouse. It appears initial support was planned to support irq 12 and at Mouse_ROUTINE_OFF is a routine that acknowledges an irq. That routine is probably what should be acknowledging irq12, and what int 0x74 should point to. I have disabled int0x74 support for now. --EB 29 Oct 1997
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