Serial port and Hopper VM firmware : Hopper 6502 SBC Part 8
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- Опубліковано 30 лип 2024
- Finally we add the last two components: the Motorola 6850 ACIA for the serial port and the I2C serial EEPROM to persist Hopper programs.
We also build the Hopper Runtime for the 6502 and flash it to our EEPROM.
I have some questions. Can the hopper 6502 save a program to the serial eeprom or do you need the eeprom programmer to do that? Will Ben Eaters glue logic allow legacy programs to run or do we need to convert them? Also I am on Discord but I don't know how to request to be added. The Hopper cross platform compatibility with the 6502 and microcontrollers is amazing!
Discord invite:
discord.gg/rrNWFXBE
You upload Hopper programs using Hopper Mon (from Windows) and the last program uploaded is stored in the I2C serial EEPROM. It is run automatically on reset (much like an Ardunino).
It is possible to support Ben Eater's memory map (I/O addresses) by reprogramming the CPLD.
@@biggertigger Thank you so much! My boards should be here in a couple of days, but my son wants to build one too so I need to buy 2 sets of ICs lol. I have a Corsham Kim Clone, but I am so busy it's hard to find time to get it out and set everything up. I can have the Hopper board sitting out next to the computer and plug it in when I get a free moment. It's also small so it would travel well on vacations. I'm familiar with programing on an Arduino so this is really cool!
Show me LCDs.
:-) Oh, all right ...