4004/8008 (was Re: Forgotten PC History)

---snip---> > Thanks for the more detailed info,> Hi Ethan I should mention I do have a working SIM4-1 and programmer card, as described in the manual. I also have a hand written assembler and disassembler. The disassembler creates nice Intel code but I wrote the code for the assembler at a different time so they are not compatible( no good excuse ). Both are written in Forth and run under F-PC ( a easy to get freeware version ). You don't need to know much Forth to use either. I also have an emulator, also written in Forth. It executes code but I never finished connecting I/O functions. It is still useful but one needs to manually load input values and then execute until the next input. I'd intended to have it read input from a file and use the cycle count to determine each I/O data change. I just got side tracked and never finished it. It does still read out instructions as it runs and allows breakpoints and single stepping. If you think you'd be interested, I can dig it up. Dwight _________________________________________________________________ Your PC, mobile phone, and online services work together like never before. http://clk.atdmt.com/MRT/go/108587394/direct/01/