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PC87366 Arkusz danych(PDF) 161 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Numer części PC87366
Szczegółowy opis  128-Pin LPC SuperI/O with System Hardware Monitoring, MIDI and Game Ports
PDF  240 Pages
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Producent  NSC [National Semiconductor (TI)]
Strona internetowa  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC87366 Arkusz danych(HTML) 161 Page - National Semiconductor (TI)

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9.0 Game Port (GMP) (Continued)
161
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9.3.4
Game Port Extended Status Register (GMPXST)
This register indicates which of the corresponding game device interface events have occurred. Writing 1 to a bit clears it.
Reading a position counter clears the corresponding Counter Ready bit. Writing to a bit 0 has no effect.
This register is functional only in Enhanced mode.
Location:
Offset 02h
Type:
R/W1C
Bit
76543210
Name
Device B
Button 1
Event
Status
Device B
Button 0
Event
Status
Device A
Button 1
Event
Status
Device A
Button 0
Event
Status
Device B
Y-Position
Counter
Ready
Device B
X-Position
Counter
Ready
Device A
Y-Position
Counter
Ready
Device A
X-Position
Counter
Ready
Reset
00000000
Bit
Description
7
Device B Button 1 Event Status. When set to 1, it indicates that a Device B Button 1 event has occurred. The
event itself is defined by the GMPEPOL register, see Section 9.3.14.
0: Event not active (default)
1: Event active
6
Device B Button 0 Event Status. When set to 1, it indicates that a Device B Button 0 event has occurred. The
event itself is defined by the GMPEPOL register, see Section 9.3.14.
0: Event not active (default)
1: Event active
5
Device A Button 1 Event Status. When set to 1, it indicates that a Device A Button 1 event has occurred. The
event itself is defined by the GMPEPOL register, see Section 9.3.14.
0: Event not active (default)
1: Event active
4
Device A Button 0 Event Status. When set to 1, it indicates that a Device A Button 0 event has occurred. The
event itself is defined by the GMPEPOL register, see Section 9.3.14.
0: Event not active (default)
1: Event active
3
Device B Y-Position Counter Ready. When set to 1, it indicates that the value of the Y-position counter of
Device B can now be read.
0: Event not active (default)
1: Event active
2
Device B X-Position Counter Ready. When set to 1, it indicates that value of the X-position counter of Device
B can now be read.
0: Event not active (default)
1: Event active
1
Device A X-Position Counter Ready. When set to 1, it indicates that the value of the Y-position counter of
Device A can now be read.
0: Event not active (default)
1: Event active
0
Device A X-Position Counter Ready. When set to 1, it indicates that the value of the X-position counter of
Device A can now be read.
0: Event not active (default)
1: Event active



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