VT82C686B

Manufacturer Part NumberVT82C686B
ManufacturerETC-unknow
VT82C686B datasheet
 
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Page 59/128:

Command Summary Sound Processor

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Command Summary – Sound Processor
#
Type
Command
10 Play
8 bits directly
14 Play
8 bits via DMA
91 Play
High-speed 8 bits via DMA
16 Play
2-bit compressed via DMA
17 Play
2-bit compressed via DMA with reference
74 Play
4-bit compressed via DMA
75 Play
4-bit compressed via DMA with reference
76 Play
2.6-bit compressed via DMA
77 Play
2.6-bit compressed via DMA with reference
20 Record Direct
24 Record Via DMA
99 Record High-speed 8 bits via DMA
D1 Speaker Turn on speaker connection
D3 Speaker Turn off speaker connection
D8 Speaker Get speaker setting
40 Misc
Set sample rate
48 Misc
Set block length
80 Misc
Set silence block
D0 Misc
Stop DMA
D4 Misc
Continue DMA
E1 Misc
Get version
30 MIDI
Direct MIDI input
31 MIDI
MIDI input via interrupt
32 MIDI
Direct MIDI input with time stamp
33 MIDI
MIDI input via interrupt with time stamp
34 MIDI
Direct MIDI UART mode
35 MIDI
MIDI UART mode via interrupt
36 MIDI
Direct MIDI UART mode with time stamp
37 MIDI
MIDI UART mode via interrupt with time stamp
38 MIDI
Send MIDI code
Revision 1.71 June 9, 2000
Game Port Registers
These registers are fixed at the standard game port address of
201h.
I/O Port 201h – Game Port Status ................................... RO
7
Joystick B Button 2 Status
6
Joystick B Button 1 Status
5
Joystick A Button 2 Status
4
Joystick A Button 1 Status
3
Joystick B One-Shot Status for Y-Potentiometer
2
Joystick B One-Shot Status for X-Potentiometer
1
Joystick A One-Shot Status for Y-Potentiometer
0
Joystick A One-Shot Status for X-Potentiometer
I/O Port 201h – Start One-Shot ....................................... WO
7-0
(Value Written is Ignored)
-53-
Register Descriptions - Super-I/O I/O Ports
VT82C686B