From 976cf3263143f83aef49c39ba14ba23a39e45008 Mon Sep 17 00:00:00 2001
From: folkert van heusden <mail@vanheusden.com>
Date: Sat, 8 Apr 2023 16:53:34 +0200
Subject: [PATCH] meta

---
 README.md        | 41 +++++++++++++++++++++++++++++++++++++++--
 SHA2017-badge.md | 12 ------------
 2 files changed, 39 insertions(+), 14 deletions(-)
 delete mode 100644 SHA2017-badge.md

diff --git a/README.md b/README.md
index 571a573..5172983 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,5 @@
 KEK
+---
 Kek is a DEC PDP-11 (11/70) emulator capable of running UNIX-v6.
 
 To build for e.g. linux:
@@ -31,6 +32,8 @@ To run a tape image:
     ./kek -T filename.bin -b 2> /dev/null
 
 
+ESP32
+-----
 The ESP32 version needs platformio to be build.
 
     cd ESP32
@@ -50,10 +53,42 @@ Wiring of the MAX232 connection:
 * RX  : 16
 
 
-See SHA2017-badge.md if you want to flash your SHA20127 badge with this software.
+Raspberry PI PICO / RP2040
+--------------------------
+Wiring of SDCARD:
+* MISO: 16
+* MOSI: 19
+* SCK : 18
+* SS  : 17
+* and of course connect VCC/GND of the SD-card
+
+The RP2040 version needs platformio to be build.
+
+    cd RP2040
+    pio run
+
+Then copy RP2040/.pio/build/BUILD\_FOR\_RP2040/firmware.uf2 to the PICO.
 
 
-Some pictures:
+SHA2017-badge
+-------------
+This procedure will remove the default micropython environment.
+Maybe you can undo that, but I have not tried that.
+
+* esptool.py erase\_flash
+
+* pio run -e SHA2017-badge
+
+* esptool.py --chip esp32 --port /dev/ttyUSB0 --baud 921600 --before default\_reset --after hard\_reset write\_flash -z --flash\_mode dio --flash\_freq 80m --flash\_size detect 0x1000 ./.pio/build/ESP32-wemos/bootloader.bin
+
+* pio run -e SHA2017-badge -t upload
+
+After this, you can connect a serial terminal to /dev/ttyUSB0 at 115k2 bps.
+
+
+
+pictures
+--------
 
 ![(running on a regular ESP32 connected to a VT510 terminal)](images/KEK-ESP32-VT510.jpg)
 
@@ -63,6 +98,8 @@ Click on the following picture to see it running (opens a youtube link):
 
 [![running on a Linux laptop](images/KEK-linux-frame.jpg)](https://youtu.be/MPaGmVli8NA)
 
+
+
 Released under MIT license.
 
 Folkert van Heusden
diff --git a/SHA2017-badge.md b/SHA2017-badge.md
deleted file mode 100644
index ab8aa4e..0000000
--- a/SHA2017-badge.md
+++ /dev/null
@@ -1,12 +0,0 @@
-This procedure will remove the default micropython environment.
-Maybe you can undo that, but I have not tried that.
-
-* esptool.py erase\_flash
-
-* pio run -e SHA2017-badge
-
-* esptool.py --chip esp32 --port /dev/ttyUSB0 --baud 921600 --before default\_reset --after hard\_reset write\_flash -z --flash\_mode dio --flash\_freq 80m --flash\_size detect 0x1000 ./.pio/build/ESP32-wemos/bootloader.bin
-
-* pio run -e SHA2017-badge -t upload
-
-After this, you can connect a serial terminal to /dev/ttyUSB0 at 115k2 bps.