From 2a28a1e857d26b99600747264c4810c1e0c7be0c Mon Sep 17 00:00:00 2001
From: nakeee <nakeee@gmail.com>
Date: Tue, 5 May 2009 20:32:59 +0000
Subject: [PATCH] DSP small program to print result dump files. (Looking for
 suggestions on how to make it look nicer)

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3157 8ced0084-cf51-0410-be5f-012b33b47a6e
---
 Source/DSPSpy/printresult.cpp | 55 +++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 Source/DSPSpy/printresult.cpp

diff --git a/Source/DSPSpy/printresult.cpp b/Source/DSPSpy/printresult.cpp
new file mode 100644
index 0000000000..5ea511b9af
--- /dev/null
+++ b/Source/DSPSpy/printresult.cpp
@@ -0,0 +1,55 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <arpa/inet.h>
+
+typedef unsigned short u16;
+
+u16 reg_in[32], reg_out[1000][32];
+
+void printRegs(u16 *lastRegs, u16 *regs) {
+	for (int i = 0; i < 32; i++) {
+		if (! lastRegs || lastRegs[i] != regs[i]) {
+			printf("%02x %04x  ", i, htons(regs[i]));
+		} else {
+			printf("         ");
+		}
+		
+		if ((i+1) % 8 == 0)
+			printf("\n");
+	}
+}
+
+int main(int argc, char **argv) {
+
+	if (argc != 2) {
+		fprintf(stderr, "Usage %s: <filename>\n", argv[0]);
+		exit(1);
+	}
+
+	FILE *f = fopen(argv[1], "rb");
+	int steps;
+	if (f) {
+		// read initial regs 
+		fread(reg_in, 1, 32 * 2, f);
+		
+		// read initial regs (guess number of steps)
+		steps = fread(reg_out, 32 * 2, 1000, f);
+		fclose(f);
+	} else {
+		fprintf(stderr, "Error opening file %s\n", argv[1]);
+		exit(1);
+	}
+
+	printf("Start with:\n");
+	printRegs(NULL, reg_in);
+	
+	printf("\nStep 0:\n");
+	printRegs(reg_in, reg_out[0]);
+
+	for (int i=1;i < steps;i++) {
+		printf("\nStep %d:\n", i);
+		printRegs(reg_out[i-1], reg_out[i]);
+	}
+
+	exit(0);
+}