From cd646947074a1793d2d9d7ba556853f92be0bab2 Mon Sep 17 00:00:00 2001
From: Nicholas Tay <nick@windblume.net>
Date: Mon, 23 Oct 2023 21:34:30 +1100
Subject: Factor non-linux parts out

---
 pasmgen.inc | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 pasmgen.inc

(limited to 'pasmgen.inc')

diff --git a/pasmgen.inc b/pasmgen.inc
new file mode 100644
index 0000000..95fadb7
--- /dev/null
+++ b/pasmgen.inc
@@ -0,0 +1,55 @@
+macro genclass class, class_len
+{
+ 	;; Generate 16 bits (smallest) of randomness from the cpu
+ 	rdrand ax
+ 
+ 	;; Modulo into len range to index in
+	xor rdx, rdx
+ 	mov rbx, class_len
+ 	div bx
+
+	;; Save output letter into out_buf, bump rcx
+	add rdx, class
+	mov rdx, [rdx]
+	mov [rcx], rdx
+	inc rcx
+
+	inc rsi
+}
+
+generate:
+	;; Store which output byte we're up to in rcx
+	mov rcx, out_buf
+	;; Store chars generated in rsi
+	xor rsi, rsi
+
+tripleter:
+	genclass consonants, consonants_len
+	genclass vowels, vowels_len
+	genclass consonants, consonants_len
+	dec r8
+	test r8, r8
+	jnz tripleter
+symboler:
+	genclass symbols, symbols_len
+	dec r9
+	test r9, r9
+	jnz symboler
+numberer:
+	genclass numbers, numbers_len
+	dec r10
+	test r10, r10
+	jnz numberer
+
+	;; Append new line to string
+	mov [rcx], word 10
+	inc rsi
+
+	;; Special case to caps the first character
+	xor rax, rax
+	mov al, byte [out_buf]
+	sub al, 32
+	mov rbx, out_buf
+	mov [rbx], al
+
+	jmp ok
-- 
cgit