Nice! On Sat, Dec 16, 2023 at 5:33 PM Brian K. White <b.kenyo...@gmail.com> wrote:
> down to 6 lines > inserted spaces for easier manual read & type > got rid of I variable name to avoid looking like 1 > > 1 CLEAR 0,61000 :OUT 129,2 :FOR N=0 TO 9 :B=INP(131) :NEXT > 2 GOSUB 6 :S=N :GOSUB 6 :L=N :E=S+L :GOSUB 6 :X=N > 3 N=S+1007 :FOR A=S TO E :B=INP(131) :POKE A,B > 4 IF A=N THEN OUT 129,1 > 5 ?"."; :NEXT :?"type CLEAR 0,"S":NEW" :SAVEM "RAMDSK",S,E,X > 6 N=INP(131) :N=N+INP(131)*256 :RETURN > > And line 5 can actually be reduced to just: > > 5 NEXT :CALL X > > -- > bkw > > On 12/16/23 12:57, Brian K. White wrote: > > I now have a working manual BASIC bootstrap that can load RAMDSK.CO from > the device after a cold restart. > https://github.com/bkw777/NODE_DATAPAC/blob/main/software/RAMDSK/RBOOT.DO > > It is only 8 lines like the old docs say BOOT.BA was > Well, it's 7 lines not counting a comment and a message, or 9 lines > counting both. > But they are not very neat or convenient. It's still kind of a lot to > manually type in for a bootstrap, but if you had a print out you could type > it in a couple minutes and then you have RAMDSK back a few seconds after > that. > This is not exactly a convenient way to install, but it should exist as an > option just on principle. > You're on the road, suffer a cold reset, everything's safely backed up on > the RAMPAC, but you need to get RAMDSK installed somehow. > > I was dreaming it might be possible to write something short enough to > print right on the card in the silkscreen. hahaha no. :) > Maybe it can be improved over time. > > I also wrote a simple inspector that can read raw data from anywhere on > the devivce, in either bank, and display in either ascii or hex, and the > ascii also shows all the non-printing control characters as their CTRL-x > character in inverse video so the display doesn't get messed up and no > bytes are hidden either. So 0x00 shows as inverse "@" for instance. > https://github.com/bkw777/NODE_DATAPAC/tree/main/software/RPI > > The main point of it is to be small and scrutable, uses no machine code, > supports banks. > > > -- > bkw > >
