diff --git a/README.md b/README.md new file mode 100644 index 0000000..cf90458 --- /dev/null +++ b/README.md @@ -0,0 +1,27 @@ +# RetroScreen +C# to visualize a digital signal like MDA, CGA and EGA using an USB logic analyzer + +It is loosely based on the sigrok2EGA project and uses the hardware connections defined there (see at the end). + +If started without arguments, it tries to start sigrok in 24Mhz mode. Currently the sigrok location is hardcoded here: +"C:\Program Files\sigrok\sigrok-cli\sigrok-cli" + +It can also be started in a CMD window with the "-" argument and accepts any 8 bit data stream as stdin. ("myprogramm | CGATest -"). + +Analyzer Channel - EGA 9-Pin connector + +Channel 1 - 5 B + +Channel 2 - 4 G + +Channel 3 - 3 R + +Channel 4 - 6 Gint + +Channel 5 - 2 Rint + +Channel 6 - 7 Bint + +Channel 7 - 8 Hsync + +Channel 8 - 9 Vsync