2) putchar() and getchar() in C with a keycode read and written in ASCII. Read about the simple subleq first, the eternal machine just adds a simple timer and

2) putchar() and getchar() in C with a keycode read and written in ASCII. Read about the simple subleq first, the eternal machine just adds a simple timer and a display on top of subleq. 1) -1 - -1 evaluate to 0 so it should jump to the instruction pointed by the c[inst] cell. Subleq explained from XXIIVV: https://wiki.xxiivv.com/site/subleq.html https://wiki.xxiivv.com/site/subleq.html