From 3772880c0ada686aad13f578c0e219ecc1bd4d85 Mon Sep 17 00:00:00 2001
From: Michael Gernoth <michael@gernoth.net>
Date: Sat, 31 Jan 2009 00:48:40 +0100
Subject: [PATCH] fn_598b4 implemented

---
 rsb-lz.c | 47 ++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 46 insertions(+), 1 deletion(-)

diff --git a/rsb-lz.c b/rsb-lz.c
index ed0c813..4f077b1 100644
--- a/rsb-lz.c
+++ b/rsb-lz.c
@@ -428,10 +428,12 @@
 
 void fn_59560(unsigned int arg1)
 {
+	fprintf(stderr,"%s\n", __func__);
 }
 
 void fn_59578(unsigned int arg1, unsigned int arg2, unsigned int arg3, unsigned int arg4)
 {
+	fprintf(stderr,"%s\n", __func__);
 }
 
 void fn_59788()
@@ -449,14 +451,56 @@ struct s_59b78 {
 
 unsigned int fn_59848(struct s_59b78 *data)
 {
+	fprintf(stderr,"%s\n", __func__);
 	return 0;
 }
 
-unsigned int fn_598b4(struct s_59b78 *data, unsigned int arg2)
+unsigned int fn_597c8(struct s_59b78 *r11_data)
 {
+	fprintf(stderr,"%s\n", __func__);
 	return 0;
 }
 
+unsigned int fn_598b4(struct s_59b78 *r11_data, unsigned int r10_arg2)
+{
+	unsigned int r1;
+	unsigned int r2;
+	unsigned int r6;
+	unsigned int r7;
+
+	fprintf(stderr,"%s\n", __func__);
+
+	r1 = r10_arg2 - 1;
+	r6 = 1 << r1;
+
+	r7 = 0;
+	do {
+		r1 = r11_data->y;
+		if (r1 == 0x80) {
+			r1 = fn_597c8(r11_data);
+		}
+		r11_data->x = r1;
+		r1 = r11_data->y;
+		r2 = r11_data->x;
+		r1 = r1 & r2;
+		if (r1 != 0)
+			r7 = r7 | r6;
+
+		r6 = r6 >> 1;
+
+		r2 = r11_data->y;
+		r2 = r2 >> 1;
+		r11_data->y = r2;
+
+		r1 = r11_data->y;
+		if(r1 == 0) {
+			r11_data->y = 0x80;
+		}
+	} while (r6 != 0);
+
+	return r7;
+}
+
 void fn_5980c(unsigned int arg1, unsigned int mem[])
 {
 	unsigned char *r1;
@@ -560,6 +604,7 @@ unsigned int crc_check_59684(unsigned char *arg1, unsigned int arg2, unsigned in
 
 void fn_59508()
 {
+	fprintf(stderr,"%s\n", __func__);
 }
 
 void extract_lz_file(unsigned char *buf, unsigned char *name)
-- 
2.39.5