From f5142090f90031f41882f92c7d7418685f7d2874 Mon Sep 17 00:00:00 2001 From: Gregor Riepl Date: Sun, 24 Jul 2022 22:56:44 +0200 Subject: [PATCH] Added cassette #2 pins --- README.md | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/README.md b/README.md index 60c5a1c..968ef89 100644 --- a/README.md +++ b/README.md @@ -26,12 +26,12 @@ a 9V supply rail. The other pin mappings are as follows: -| PET pin | ESP pin | Direction | Internal connection | -|----------------|---------|-----------|---------------------| -| Cassette Write | RXD | PET->ESP | VIA PB3 | -| Cassette Read | TXD | ESP->PET | PIA1 CA1 | -| Cassette Motor | CTS | PET->ESP | PIA1 CB2 | -| Cassette Sense | RTS | ESP->PET | PIA PA4 | +| PET pin | ESP pin | Direction | Cassette #1 internal | Cassette #2 internal | +|----------------|---------|-----------|----------------------|----------------------| +| Cassette Write | RXD | PET->ESP | VIA PB3 | VIA PB3 (same as #1) | +| Cassette Read | TXD | ESP->PET | PIA1 CA1 | VIA CB1 | +| Cassette Motor | CTS | PET->ESP | PIA1 CB2 | VIA PB4 | +| Cassette Sense | RTS | ESP->PET | PIA1 PA4 | PIA1 PA5 | A suitable serial signal (RS-232-like) must be generated/decoded in software. Make sure that no cassette port #1 access is generated while