Cassette TI-99/4a
(at the computer)
(at the cassette cable)
9 PIN D-SUB MALE at the Computer.
9 PIN D-SUB FEMALE at the Cassette cable.
| Pin | Name | Dir | Comment |
|---|---|---|---|
| 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 |
Note: Direction is Computer relative Cassette.
Note: Cassette 1 can't be written to.
Source: [The Hardware Book]
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