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Rev 3550 Rev 5031
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proc START stdcall, state:dword
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proc START stdcall, state:dword
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          cmp [state], DRV_ENTRY
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          jne .nothing
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  .init:
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; disable keyboard and mouse interrupts
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; keyboard IRQ handler can interfere badly otherwise
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          pushf
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          cli
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          mov  bl, 0x20        ; read command byte
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          call kbd_cmd
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          test ah,ah
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          jnz  .fin
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          call kbd_read
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          test ah,ah
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          jnz  .fin
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          popf
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          and  al, 0xFC        ; disable interrupts
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          or   al, 0x10        ; disable keyboard
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          push eax
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          mov  bl, 0x60        ; write command byte
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          cmp [state], DRV_ENTRY
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          call kbd_cmd
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          jne .fin
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          pop  eax
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  .init:
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          call kbd_write
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          jnz  .stop_try
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          jnz  .stop_try
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          mov  [MouseType],MT_5BScroll
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          mov  [MouseType],MT_5BScroll
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  .stop_try:
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          mov  al, 0xF4        ; enable data reporting
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          call mouse_cmd
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  .stop_try:
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; enable keyboard and mouse interrupts
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          mov  bl, 0x20        ; read command byte
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          call kbd_cmd
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          cmp  ah,1
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          je   .exit
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          mov  bl, 0x20        ; read command byte
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          call kbd_read
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          call kbd_cmd
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          cmp  ah,1
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          je   .exit
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          call kbd_read
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          or   al, 3           ; enable interrupts
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          or   al, 10b
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          and  al, not 0x10    ; enable keyboard
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          push eax
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          push eax
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          mov  bl, 0x60        ; write command byte
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          call kbd_cmd
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          cmp  ah,1
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          je   .exit
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          mov  bl, 0x60        ; write command byte
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          call kbd_cmd
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          pop  eax
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          call kbd_write
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          cmp  ah,1
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          je   .exit
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          mov  al, 0xF4        ; enable data reporting
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          call mouse_cmd
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          mov  bl, 0xAE        ; enable keyboard interface
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          pop  eax
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          call kbd_cmd
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          call kbd_write
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          stdcall AttachIntHandler, 12, irq_handler, dword 0
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          stdcall AttachIntHandler, 12, irq_handler, 0
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          stdcall RegService, my_service, service_proc
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          stdcall RegService, my_service, service_proc
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                ret
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                ret
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  .fin:
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          popf
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  .fin:
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          ;stdcall DetachIntHandler, 12, irq_handler
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          ;stdcall DetachIntHandler, 12, irq_handler
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          mov  bl, 0xA7        ; disable mouse interface
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          mov  bl, 0xA7        ; disable mouse interface
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          call kbd_cmd
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          call kbd_cmd
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  .nothing:
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          xor  eax, eax
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          xor  eax, eax
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          ret
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  .exit:
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          mov  bl, 0xA7        ; disable mouse interface
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          call kbd_cmd
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          ret
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; enable keyboard interrupt, leave mouse interrupt disabled
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          mov  bl, 0x20        ; read command byte
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          call kbd_cmd
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          call kbd_read
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          or   al, 1           ; enable keyboard interrupt
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          and  al, not 0x10    ; enable keyboard
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          push eax
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  .exit:
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          mov  bl, 0x60        ; write command byte
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          mov  bl, 0xA7        ; disable mouse interface
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          call kbd_cmd
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          call kbd_cmd
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          pop  eax
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          mov  bl, 0xAE        ; enable keyboard interface
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          call kbd_write
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    jmp  .ok
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    jmp  .ok
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endp
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endp
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detect_mouse:
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    mov  bl, 0xAD            ; disable keyboard interface
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    call kbd_cmd
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    cmp  ah,1
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    je   .fail
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detect_mouse:
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    mov  bl, 0xA8            ; enable mouse interface
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    mov  bl, 0xA8            ; enable mouse interface
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    call kbd_cmd
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    call kbd_cmd
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    ; get device ID
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    ; get device ID
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    call mouse_read
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    call mouse_read
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    jc   .fail
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    jc   .fail
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    cmp  al, 0x00
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    cmp  al, 0x00
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    jne  .fail        ; unknown device
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    jne  .fail        ; unknown device
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    xor  eax,eax
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    xor  eax,eax
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    ret
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    ret
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  .fail:
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  .fail: