Topic:Commodore 64 WiFi Modem

Uploading firmware to NodeMCU board:

• Download zimodem from gitlab
• Select Generic ESP8266 Module in the Arduino IDE
• Choose flash size: 1Mb (FS:160 Kb)
• Open zimodem.ino
• Compile and upload firmware to the NodeMCU

Configuration:

• Connect nodeMCU to microUSB
• Start terminal (in the attachment)
• Select baud rate 1200, handshaking XON/XOFF and your COM-port
• Press Reset button on the nodeMCU. 
• You should see:

C64Net WiFi Firmware v3.7.0
sdk=2.2.2-dev(38a443e) chipid=1458392 cpu@80
totsize=4096k ssize=372k fsize=139k speed=40m
CONNECTED TO StarLink (192.168.179.29)
READY.

• Configure WiFi network using next commands:

ATW"ssid,password"
AT&W

Commodore 64 Sofware:

• Upload ccgms 2019 to SD2IEC sd-card (version 2021 dont works correctly)
• Start File Browser

LOAD "FB",8
RUN

run CCGMS.prg

• press F8 for configuration (baud rate 1200)
• save config
• use AT commands:
• atdt oasisbbs.hopto.org:6400 

Useful links:

https://retrogamecoders.com/commodore-64-wifi-esp8266/

https://github.com/svenpetersen1965/C64-WiFi-Modem-User-Port

https://github.com/bozimmerman/Zimodem

https://www.youtube.com/watch?v=UecvwSgEakM

https://www.youtube.com/watch?v=M6MBXTdDttU

CCGMS Terminal for Commodore 64