Mouse Control Command - Toshiba T2200SX User Manual

2.11.2 Mouse Control Command

The mouse control commands control the MOUSE port of the T2200SX.
The following table summarizes the mouse control commands.
'A7' Mouse Interface Disable
This command disables the mouse data transfer from the mouse. It does not have parameter.
'A8' Mouse Interface Enable
This command enables the mouse data transfer from the mouse. It does not have parameter.
'A9' Mouse Interface Test
This command checks the MOUSE_CK signal line and MOUSE_D signal line for mouse
transmission, then outputs the result of the test.
The following table shows the possible error statuses.
Status
00
01
02
03
04
2-22
Table 2-8 Mouse control commands
Code Function
'A7' Mouse Disable
'A8' Mouse Enable
'A9' Mouse Interface Test
'D3' Virtual Mouse Interrupt
'D4' Mouse Command Read
Table 2-9 Mouse interface test error statuses
Description
No error
MOUSE_CK signal line error (Always "0")
MOUSE_CK signal line error (Always "1")
MOUSE_D signal line error (Always "0")
MOUSE_D signal line error (Always "1")