1 files changed, 43 insertions, 0 deletions
diff --git a/examples/factorial.asm b/examples/factorial.asm
new file mode 100644
index 0000000..08c3c13
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+++ b/examples/factorial.asm
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+;;; factorai.asm: A program that generates the factorials of each
+;;;  number from 1 to 24 (24!~=UINT64_MAX).  Using the registers to
+;;;  store `n` and `n!`.
+
+  ;; Setup initial REG[0] = 1 and REG[1] = 1
+  push.word 1
+  mov.word 0
+  push.word 1
+  mov.word 1
+
+  ;; Print `REG[0]: REG[1]`
+  ;; Here is the loop back point `#`
+  push.byte '\t'
+  print.char
+  push.reg.word 0
+  print.word
+  push.byte ':'
+  print.char
+  push.byte ' '
+  print.char
+  push.reg.word 1
+  print.word
+  push.byte '\n'
+  print.char
+
+  ;;  REG[0] += 1
+  push.reg.word 0
+  push.word 1
+  plus.word
+  mov.word 0
+
+  ;;  REG[1] *= REG[0]
+  push.reg.word 0
+  push.reg.word 1
+  mult.word
+  mov.word 1
+
+  push.word 24
+  push.reg.word 0
+  gte.word
+  ;; Jump to `#`
+  jump.if.byte 4
+  halt