Added cassette #2 pins

This commit is contained in:
Gregor Riepl 2022-07-24 22:56:44 +02:00
parent 5e7c5b1bc9
commit f5142090f9

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@ -26,12 +26,12 @@ a 9V supply rail.
The other pin mappings are as follows: The other pin mappings are as follows:
| PET pin | ESP pin | Direction | Internal connection | | PET pin | ESP pin | Direction | Cassette #1 internal | Cassette #2 internal |
|----------------|---------|-----------|---------------------| |----------------|---------|-----------|----------------------|----------------------|
| Cassette Write | RXD | PET->ESP | VIA PB3 | | Cassette Write | RXD | PET->ESP | VIA PB3 | VIA PB3 (same as #1) |
| Cassette Read | TXD | ESP->PET | PIA1 CA1 | | Cassette Read | TXD | ESP->PET | PIA1 CA1 | VIA CB1 |
| Cassette Motor | CTS | PET->ESP | PIA1 CB2 | | Cassette Motor | CTS | PET->ESP | PIA1 CB2 | VIA PB4 |
| Cassette Sense | RTS | ESP->PET | PIA PA4 | | Cassette Sense | RTS | ESP->PET | PIA1 PA4 | PIA1 PA5 |
A suitable serial signal (RS-232-like) must be generated/decoded in A suitable serial signal (RS-232-like) must be generated/decoded in
software. Make sure that no cassette port #1 access is generated while software. Make sure that no cassette port #1 access is generated while