pinout (распиновка)
Cassette TI-99/4a connector
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9 pin D-SUB MALE connector at the computer
Pin
Name
Dir
Coment
1
Cass 1 motor control
OUT
CRU bit 22
2
Dito
OUT
neg
3
Output to tape 2
OUT
CRU bit 25
4
Audio gate
OUT
CRU bit 24
5
Output to tape 2
OUT
neg
6
Cass 2 motor control
OUT
CRU bit 23
7
Dito
OUT
neg
8
Input from tape 1 or 2
IN
CRU bit 27
9
Dito
IN
neg
9 pin D-SUB FEMALE connector at the Cassette cable
Note: Direction is Computer relative Cassette.
Note: Cassette 1 can't be written to.
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