[cctalk] Re: IBM 1410 FPGA Status

2023-07-12 Thread Jay Jaeger via cctalk
FYI, I tried the 1401 mode diagnostic M011 today. Results were encouraging, if not perfect: - The 1410 mode console output for the instruction to the opertor to switch to 1401 mode quit after seeing a space character. Should be an easy fix, especially if I can make it happen under

[cctalk] Re: IBM 1410 FPGA Status

2023-07-12 Thread Jay Jaeger via cctalk
I/O is already (for the 1415 console) and will be (for tape, print, reader, disk, telegraph -- whatever) handled by a PC support program, communicating with the Digilent NEXSYS4 over its USB serial port. This is covered in the following posts:

[cctalk] Re: IBM 1410 FPGA Status

2023-07-12 Thread Robert Armstrong via cctalk
On Mon, 2023-07-10 at 21:32 -0500, Jay Jaeger via cctalk wrote: > Over the past couple of months I have been working on my FPGA > implementation of the IBM 1410 ... What are your plans for implementing I/O? Are you going to emulate a card reader and line printer using an SD card and a FAT

[cctalk] Re: IBM 1410 FPGA Status

2023-07-12 Thread Curious Marc via cctalk
Very impressive. Congratulations! Marc > On Jul 11, 2023, at 3:23 AM, Jay Jaeger via cctalk > wrote: > > Over the past couple of months I have been working on my FPGA implementation > of the IBM 1410 1960's era pre System/360 system again. I am pleased to share > that the CPU now passes a