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132 Results for "8-bit cpu"

  • What could my 4004 CPU do?
  • .Stack entry     by Jan
  • I'm trying to get some inspiration for my 4-bit CPU project, what could be practical use of it besides blinking some LEDs and writing on LCD?

  • 6809 in a C64
  • .Stack entry     by 2-Zons
  • I'm here doing some inventory for my breadboard CPU project https://hackaday.io/project/162659-8-bit-breadboard-cpu , labeling and organizing all these IC I've ordered over the last few weeks.  I also ordered a few 6809's for a potential future...

  • 3 pole switch
  • .Stack entry     by 2-Zons
  • I'm working on my 8 bit TTL computer (https://hackaday.io/project/162659-8-bit-breadboard-cpu) and have just received a sack of 3 pole switches I ordered.  I'm using them to run the control signals for testing all modules working together. ...

  • What do you think of this weird ALU Design?
  • .Stack entry     by Paul Schmitz
  • http://www.6502.org/users/dieter/a4/a4_7.htmWhat are advantages/disadavantages of this weird design?Is this the way to get the most functionality per logic gate out of an 1 bit slice CPU? And are there limitations with this design if I want to use it...

  • Advice on bus drivers
  • .Stack entry     by 2-Zons
  • Working on my TTL CPU project  https://hackaday.io/project/162659-8-bit-breadboard-cpu .  I'm working on wiring up the first block (the XY register).  I have 8 x 8 bit bus drivers for the register.  I started using 74ACT241's for...

  • IRQ - Hold and reset Circuit.
  • .Stack entry     by 2-Zons
  • Working on my 8 bit TTL CPU.  I've got a version of IRQ working.  When IRQ is pulled low, it loads the IRQ instruction (FF) into the instruction register after the current instruction is finished.  I am trying to figure out the simplest...

  • Huge RAM for retro/homebrew computers: brainstorm
  • .Stack entry     by Eric Hertz
  • It occurs to me there seems to be a large number of projects out there building computers out of oldish hardware... Running CP/M, Apple II games, whatnot, on the original processor...(?) Some seem to do a lot of mixing-up: an old CPU, with new FPGAs...

  • Code Interoperability -- ATMEGA324PA ATMEGA1284P
  • .Stack entry     by Starhawk
  • I'm trying to build a thing (namely, https://hackaday.io/project/75-z80-microcomputer-system) and the original dev is rather busy and can't answer questions as fast as I'd like. (In related news, I'm an impatient f***. At least I know it!)Within...

  • Bit Banging Broken Cell
  • .Stack entry     by Brendan Clements
  • I have an HTC One M7 that died a while ago. During an update something happened and it will no longer boot. I have tried everything and after a lot of research have discovered that this is a frequent problem that can only be fixed if the phone had security...
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