You could also go back to the 1965 Olivetti Programma 101 (https://en.m.wikipedia.org/wiki/Programma_101 https://en.m.wikipedia.org/wiki/Programma_101). It had

You could also go back to the 1965 Olivetti Programma 101 (https://en.m.wikipedia.org/wiki/Programma_101 https://en.m.wikipedia.org/wiki/Programma_101). It had labels and memory cells, and could be programmed in a kind of assembly.