Snippets of
code from
Doug Neubauer

The comments from the start of the the "Star Raiders" program, lifted right from the original 8" floppies: 
;
    .TITLE 'STAR RAIDERS,   VERSION 25.1   STARDATE 26-JUL-79'
;
;       GAME COMPLETE 17-JUN-79
;
;       NOTES
;   RAM 0-1FFF
;   ROM A000-BFFF
;   SPILL OVER ROM  9800-9FFF
;   E477G       ; PROG START

A piece of code from "Solaris," showing that it used a four byte stack: 

HHITP0 DS 4  ; USES STAK1 TOO, ALSO USED FOR STACK IN BRAIN, 4LEV DEEP
;  END CHART BLOCK
; FOLLOWING VARIABLES RESIDE IN STACK
STAK1 DS 1
STAK2 DS 1
STAK3 DS 1
STAK4 DS 1


Back to the Doug Neubauer interview