X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/rsbs2/blobdiff_plain/af1fed3a35f5616b5803f9a168a5170e5a7f85ca..e4a6d4c303eedbf9069821cc38b498f044c95600:/rsb-lz.c

diff --git a/rsb-lz.c b/rsb-lz.c
index e43b74b..ddd9a53 100644
--- a/rsb-lz.c
+++ b/rsb-lz.c
@@ -428,37 +428,131 @@
 
 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()
+void fn_59788(const char *fname)
 {
-	fprintf(stderr,"error extracting...\n");
+	fprintf(stderr,"%s: error extracting...\n", fname);
 	exit(1);
 }
 
 struct s_59b78 {
-	unsigned char *start;
-	unsigned char *stop;
+	unsigned char *start; /* 0 */
+	unsigned char *stop; /* 4 */
 	unsigned char y; /* 8 */
 	unsigned char x; /* 9 */
 };
 
-unsigned int fn_59848(struct s_59b78 *data)
+unsigned int fn_597c8(struct s_59b78 *r6_data)
 {
-	return 0;
+	unsigned char *r0;
+	unsigned char *r1;
+	unsigned char r5;
+
+	r5 = 0;
+
+	r0 = r6_data->start;
+	r1 = r6_data->stop;
+
+	if (r1 < r0)
+		fn_59788(__func__);
+
+	r5 = *r0;
+	r0++;
+	r6_data->start = r0;
+
+	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 *data, unsigned int arg2)
+unsigned int fn_598b4(struct s_59b78 *r11_data, unsigned int r10_arg2)
 {
-	return 0;
+	unsigned int r1;
+	unsigned int r2;
+	unsigned int r6;
+	unsigned int r7;
+
+	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;
+	unsigned char *r2;
+
+	r1 = (unsigned char*)mem[0];
+	r2 = (unsigned char*)mem[1];
+
+	if (r1 > r2) {
+		printf("r1: 0x%08x, r2: 0x%08x\n", (unsigned int)r1, (unsigned int)r2);
+		fn_59788(__func__);
+	}
+
+	*r1 = arg1 & 0xff;
+
+	r1++;
+	mem[0] = (unsigned int)r1;
 }
 
 void fn_5993c(struct s_59b78 *data, unsigned int mem[])
@@ -466,28 +560,52 @@ void fn_5993c(struct s_59b78 *data, unsigned int mem[])
 	unsigned int r5;
 	unsigned int r2;
 	unsigned int r4;
+	unsigned int r6;
+	unsigned int r7;
+	unsigned int r11;
 	unsigned char arr_59b64[1024];
 
 	r5 = 1;
 
 	do {
-		r2 = fn_59848(data);
-		if (r2 == 0)
-			break;
-
-		r2 = fn_598b4(data, 8) & 0xff;
-		r4 = r2;
-
-		fn_5980c(r4, mem);
-		arr_59b64[r5] = r4;
-		r2 = r5 + 1;
-		r2 = r2 << 22;
-		r2 = r2 >> 22;
-		r5 = r2;
+		do {
+			r2 = fn_59848(data);
+			printf("r2: 0x%x\n", r2);
+			if (r2 == 0)
+				break;
+
+			r2 = fn_598b4(data, 8) & 0xff;
+			r4 = r2;
+
+			fn_5980c(r4, mem);
+			arr_59b64[r5] = r4 & 0xff;
+			r2 = r5 + 1;
+			r2 = r2 << 22;
+			r2 = r2 >> 22;
+			r5 = r2;
+		} while(1);
+
+		r11 = fn_598b4(data, 0x0a);
+		if(r11 == 0)
+			return;
+
+		r2 = fn_598b4(data, 0x04);
+		r7 = r2 + 1;
+		r6 = 0;
+		do {
+			r2 = r6 + r11;
+			r2 = r2 << 22;
+			r2 = r2 >> 22;
+			r4 = arr_59b64[r2];
+			fn_5980c(r4, mem);
+			arr_59b64[r5] = r4 & 0xff;
+			r2 = r5 + 1;
+			r2 = r2 << 22;
+			r2 = r2 >> 22;
+			r5 = r2;
+			r6++;
+		} while(r6 <= r7);
 	} while(1);
-
-	/* CONT: 599a4 */
-
 }
 
 unsigned int crc_check_59684(unsigned char *arg1, unsigned int arg2, unsigned int magic)
@@ -519,11 +637,12 @@ unsigned int crc_check_59684(unsigned char *arg1, unsigned int arg2, unsigned in
 	if (r3 == r5)
 		return 0;
 
-	return 0;
+	return 4;
 }
 
 void fn_59508()
 {
+	fprintf(stderr,"%s\n", __func__);
 }
 
 void extract_lz_file(unsigned char *buf, unsigned char *name)
@@ -551,14 +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;
@@ -574,7 +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();