386SX Upgrade / 386DX - Glue Logic, Bus Control PALs, GALs, PLDs, ...
For my 286 to 386SX upgrade interposer PCB, I need to implement logic for S0# and S1# (along with a few other signals). For my 386DX...
386SX Upgrade / 386DX - Glue Logic, Bus Control PALs, GALs, PLDs, ...
Using an Assembly Library from C++ for Applications in FreeDOS (on My 286 Build)
80386 DX Build
386SX Upgrade
Accessing More RAM
FreeDOS Running. Lots More Work Needed.
80286 System Roadmap (updated June 2023)
Troubleshooting FreeDOS Boot on my 286 System - Hangs on execrh() Call in Kernel
Troubleshooting CPU Flags Register Between BIOS and FreeDOS
FreeDOS Development Environment
Booting FreeDOS
IDE Interface
286 Build - Six Months In
Interrupts and More Interrupts
Working with AY-3-8910, YM2149 Programmable Sound Generators
Using C/C++ with my 286
286: Onboard ROM Updates
Sound Card for my 286 System
Mouse for my 80286 System (SPI to PS/2)
VGA 640x480 ISA Card