On 04/07/2016 18:00, Kevin O'Connor wrote: > So, if I read the sgabios code correctly, it allocates a buffer of: > > struct { u8 x, y; char c; } logbuf[256]; > int logbuf_offset; > > Every character sent on the serial port is appended to "logbuf" in > order, wrapping if necessary: logbuf[logbuf_offset++ % 256] = x, y, c. > On a read, it scans backwards from logbuf_offset to find the last > update to that cell. > > Interestingly, it doesn't store the attribute with the character - > it's int1008 handler just returns the last attribute used anywhere on > the screen. > > The code is only used if it is the sole vga code (as opposed to being > used in addition to an existing vgabios). > > Does anyone know where one can find the original svn commit history > for sgabios? Seems the original google code repo is no longer > present.
There was no history as far as I remember, mostly a code drop. Paolo