On Fri, May 1, 2020 at 7:32 PM Tony Duell via cctalk <cctalk@classiccmp.org> wrote: > > As far as I know the 5-hole side is always the most significant 5 > bits, the 3 hole side the least significant 3 bits. In other words the > holes go : > > 76543S210 > > Where S is the sprocket hole and a digit is the bit number (bit 0 is > the least significant bit). > > As to which way use the tape, with the tape feeding towards you, the > sprocket hole is normally offset towards the right, that is the bits > would read with the MSB on the left. I am not sure if that is > universal though >
FWIW, the ECMA standard is here https://www.polyomino.org.uk/computer/ECMA-10/ (found via Wikipedia) -- Regards, Torfinn Ingolfsen
