From e4a6d4c303eedbf9069821cc38b498f044c95600 Mon Sep 17 00:00:00 2001
From: Michael Gernoth <michael@gernoth.net>
Date: Sat, 31 Jan 2009 01:12:30 +0100
Subject: [PATCH] everything needed implemented, but it's broken. probably
 fn_5993c is wrong

---
 rsb-lz.c | 54 ++++++++++++++++++++++++++++++++++++++++--------------
 1 file changed, 40 insertions(+), 14 deletions(-)

diff --git a/rsb-lz.c b/rsb-lz.c
index 4dc9ba6..ddd9a53 100644
--- a/rsb-lz.c
+++ b/rsb-lz.c
@@ -436,9 +436,9 @@ void fn_59578(unsigned int arg1, unsigned int arg2, unsigned int arg3, unsigned
 	fprintf(stderr,"%s\n", __func__);
 }
 
-void fn_59788()
+void fn_59788(const char *fname)
 {
-	fprintf(stderr,"error extracting...\n");
+	fprintf(stderr,"%s: error extracting...\n", fname);
 	exit(1);
 }
 
@@ -449,12 +449,6 @@ struct s_59b78 {
 	unsigned char x; /* 9 */
 };
 
-unsigned int fn_59848(struct s_59b78 *data)
-{
-	fprintf(stderr,"%s\n", __func__);
-	return 0;
-}
-
 unsigned int fn_597c8(struct s_59b78 *r6_data)
 {
 	unsigned char *r0;
@@ -467,7 +461,7 @@ unsigned int fn_597c8(struct s_59b78 *r6_data)
 	r1 = r6_data->stop;
 
 	if (r1 < r0)
-		fn_59788();
+		fn_59788(__func__);
 
 	r5 = *r0;
 	r0++;
@@ -476,6 +470,34 @@ unsigned int fn_597c8(struct s_59b78 *r6_data)
 	return r5;
 }
 
+unsigned int fn_59848(struct s_59b78 *r6_data)
+{
+	unsigned int r1;
+	unsigned int r2;
+	unsigned int r5;
+
+	r1 = r6_data->y;
+	if (r1 == 0x80) {
+		r6_data->x = fn_597c8(r6_data);
+	}
+	r1 = r6_data->y;
+	r2 = r6_data->x;
+	r1 = r1 & r2;
+	r5 = r1 & 0xff;
+
+	r1 = r6_data->y;
+	r1 = r1 >> 1;
+	r6_data->y = r1;
+	if (r1 == 0)
+		r1 = 0x80;
+	
+	r6_data->y = r1;
+	if (r5 == 0)
+		return 0;
+
+	return 1;
+}
+
 unsigned int fn_598b4(struct s_59b78 *r11_data, unsigned int r10_arg2)
 {
 	unsigned int r1;
@@ -522,8 +544,10 @@ void fn_5980c(unsigned int arg1, unsigned int mem[])
 	r1 = (unsigned char*)mem[0];
 	r2 = (unsigned char*)mem[1];
 
-	if (r1 >= r2)
-		fn_59788();
+	if (r1 > r2) {
+		printf("r1: 0x%08x, r2: 0x%08x\n", (unsigned int)r1, (unsigned int)r2);
+		fn_59788(__func__);
+	}
 
 	*r1 = arg1 & 0xff;
 
@@ -546,6 +570,7 @@ void fn_5993c(struct s_59b78 *data, unsigned int mem[])
 	do {
 		do {
 			r2 = fn_59848(data);
+			printf("r2: 0x%x\n", r2);
 			if (r2 == 0)
 				break;
 
@@ -645,14 +670,15 @@ void extract_lz_file(unsigned char *buf, unsigned char *name)
 	fn_59560(0x1005);
 
 	if (*((unsigned int*)r11) != LZ_MAGIC)
-		fn_59788();
+		fn_59788(__func__);
+
 	r3 = r11 + 4;
 	r5 = *((unsigned int*)r3);
 	printf(", Length: %d\n", r5);
 
 	r3 = r7 + r5;
 	if (r3 > r10)
-		fn_59788();
+		fn_59788(__func__);
 	
 	struct1.start = r11 + 8;
 	struct1.stop = r5 + r11;
@@ -668,7 +694,7 @@ void extract_lz_file(unsigned char *buf, unsigned char *name)
 	r5 = *((unsigned int*)r3);
 
 	if (crc_check_59684(r7, r5, 0x46335053) != 0)
-		fn_59788();
+		fn_59788(__func__);
 	
 	fn_59508();
 
-- 
2.39.2