From 272cd213391b5ce87cb2aeac263b3eedb0f19a07 Mon Sep 17 00:00:00 2001
From: ProjectRevoTPP <projectrevotpp@hotmail.com>
Date: Wed, 20 Dec 2017 15:33:08 -0500
Subject: Add NDEBUG (NOAGBPRN) support to pokeruby.

---
 include/assert.h | 43 +++++++++++++++++++++++++++++++++++++++++++
 include/config.h | 16 ++++++++++++++++
 include/global.h |  1 +
 3 files changed, 60 insertions(+)
 create mode 100755 include/assert.h

(limited to 'include')

diff --git a/include/assert.h b/include/assert.h
new file mode 100755
index 000000000..7a5e727e2
--- /dev/null
+++ b/include/assert.h
@@ -0,0 +1,43 @@
+#ifndef GUARD_GBASDKASSERT_H
+#define GUARD_GBASDKASSERT_H
+
+// this header is based on the
+// GBA SDK IsAgbAssert.h.
+
+#ifdef NOAGBPRN
+    #define AGBPrintInit()
+    #define AGBPutc(pBuf)
+    #define AGBPrint(pBuf)
+    #define AGBPrintf(...)
+    #define AGBPrintFlush1Block()
+    #define AGBPrintFlush()
+    #define AGBAssert(pFile, nLine, pExpression, nStopProgram)
+#else
+    // without NOAGBPRN defined, this enables asserts for usage
+    // on a standard GBA debugger unit or in emulators that
+    // support it.
+    void AGBPrintInit(void);
+    void AGBPutc(const char pBuf);
+    void AGBPrint(const char *pBuf);
+    void AGBPrintf(const char *pBuf, ...);
+    void AGBPrintFlush1Block(void);
+    void AGBPrintFlush(void);
+    void AGBAssert(const char *pFile, int nLine, const char *pExpression, int nStopProgram);
+#endif
+
+// when using AGB_WARNING, be sure to flush after as AGBAssert does not flush the string to console
+// immediately after usage.
+#ifdef NOAGBPRN
+    #define AGB_ASSERT(expression)
+#else
+    #define AGB_ASSERT(expression)  (expression) ? ((void *)0) : AGBAssert(__FILE__, __LINE__, #expression, 1);
+#endif
+
+#ifdef NOAGBPRN
+    #define AGB_WARNING(expression)
+#else
+    #define AGB_WARNING(expression) (expression) ? ((void *)0) : AGBAssert(__FILE__, __LINE__, #expression, 0);
+#endif
+
+
+#endif
diff --git a/include/config.h b/include/config.h
index 6a77c4c74..d9ed70a7c 100644
--- a/include/config.h
+++ b/include/config.h
@@ -1,6 +1,22 @@
 #ifndef GUARD_CONFIG_H
 #define GUARD_CONFIG_H
 
+// In the Generation 3 games, Asserts were used in various debug builds.
+// Ruby/Sapphire and Emerald do not have these asserts while Fire Red
+// still has them in the ROM. This is because the developers forgot
+// to define NOAGBPRN before release, which is actually supposed to be
+// NDEBUG, however this has been changed as Ruby's actual debug build
+// does not use the AGBPrint features.
+
+// To note, Ruby/Sapphire likely did not use AGBPrint. This is because
+// the german debug ROM of Ruby did not have any uses of AGBPrint and
+// the assert commands but instead a "crash" screen. This config exists
+// for convenience for the user of pokeruby and NOT because it is
+// authoritative. These additions are for user convenience based on
+// officially recommended SDK practices for debugging and is therefore
+// still in part authoritative.
+#define NOAGBPRN
+
 #ifndef REVISION
 #define REVISION 0
 #endif
diff --git a/include/global.h b/include/global.h
index 6670f3837..7bd82f74e 100644
--- a/include/global.h
+++ b/include/global.h
@@ -3,6 +3,7 @@
 
 #include "gba/gba.h"
 #include "config.h"
+#include "assert.h"
 
 // IDE support
 #ifdef __APPLE__
-- 
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