2fa88176c0
Uninitialized blocks often contains garbage, and emitting it on the TRS-80 4P results in serious visual glitches. |
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|---|---|---|
| .. | ||
| .gitignore | ||
| Makefile | ||
| README.md | ||
| blkdown.c | ||
| blkpack.c | ||
| blkunpack.c | ||
| blkup.c | ||
| common.c | ||
| common.h | ||
| exec.c | ||
| memdump.c | ||
| pingpong.c | ||
| ttysafe.c | ||
| upload.c | ||
README.md
Tools
This folder contains tools to communicate to Collapse OS machines from a modern environment or to manipulate a blkfs.
Communication tools all take a device path as a first argument. That device is
the serial device that connects you to your machine. It's often a USB-to-TTL
dongle. When - is specified, stdin is used as the device.
Note that for these tools to work well, you need the serial device to be
properly set up, TTY-wise. You'll probably want to do that with stty. The tool
itself takes care of setting the regular stuff (cs8, -parenb, etc), but you
need to set the speed. Here's an example working on OpenBSD:
$ ( stty 115200 raw ; sleep 2 ; ./upload - a000 os.bin ) <> /dev/cuaU0
To be honest, I'm having a bit of troubles making these tools work as well on OpenBSD as they do in Linux. But it does work. Here are some advices:
- Use
cuaXXinstead ofttyXX. - Run
cu -l /dev/cuaXXbefore running your tool and run a dummy command to make sure that the output buffer is flushed. - Use the "raw" option to avoid TTY-processing options to mess with data.
- If you experience random failures in your command, try inserting a "sleep 2" between your "stty" invocation and the command. In my experience, these tend to help.
On Linux, it's generally easier:
- Run screen on the device (often
/dev/ttyUSBX) - Quit with
CTRL+A :quit - Run the tool on the same device