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;;; fib.asm: A program that indefinitely generates the fibonacci
;;; numbers. Using the registers to store the pairs of fibonacci
;;; numbers, we ensure only a finite memory space is necessary for
;;; this program to function, unlike a pure stack version.
;; Setup initial REG[0] = 1 and REG[1] = 1
push.word 1
mov.word 0
push.word 1
mov.word 1
;; Print REG[0] and REG[1]
;; Here is the loop back point `#`
push.reg.word 0
print.word
push.byte '\n'
print.char
push.reg.word 1
print.word
push.byte '\n'
print.char
;; REG[0] += REG[1]
push.reg.word 0
push.reg.word 1
plus.word
mov.word 0
;; REG[1] += REG[0]
push.reg.word 0
push.reg.word 1
plus.word
mov.word 1
;; Jump to `#`
jump.abs 4
halt
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