From db276d8e521ae6b8ea9fb40c33d6961d713f31b7 Mon Sep 17 00:00:00 2001
From: FIX94 <fix94.1@gmail.com>
Date: Fri, 8 Apr 2016 00:19:16 +0200
Subject: first commit, enjoy

---
 gba/source/main.c | 94 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 gba/source/main.c

(limited to 'gba/source')

diff --git a/gba/source/main.c b/gba/source/main.c
new file mode 100644
index 0000000..9d05189
--- /dev/null
+++ b/gba/source/main.c
@@ -0,0 +1,94 @@
+
+#include <gba_console.h>
+#include <gba_video.h>
+#include <gba_interrupt.h>
+#include <gba_systemcalls.h>
+#include <gba_input.h>
+#include <gba_sio.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+u32 getGameSize(void)
+{
+	if(*(vu32*)(0x08000004) != 0x51AEFF24)
+		return 0;
+	u32 i;
+	for(i = (1<<20); i < (1<<25); i<<=1)
+	{
+		vu16 *rompos = (vu16*)(0x08000000+i);
+		int j;
+		bool romend = true;
+		for(j = 0; j < 0x1000; j++)
+		{
+			if(rompos[j] != j)
+			{
+				romend = false;
+				break;
+			}
+		}
+		if(romend) break;
+	}
+	return i;
+}
+//---------------------------------------------------------------------------------
+// Program entry point
+//---------------------------------------------------------------------------------
+int main(void) {
+//---------------------------------------------------------------------------------
+
+	// the vblank interrupt must be enabled for VBlankIntrWait() to work
+	// since the default dispatcher handles the bios flags no vblank handler
+	// is required
+	irqInit();
+	irqEnable(IRQ_VBLANK);
+
+	consoleDemoInit();
+	REG_JOYTR = 0;
+	// ansi escape sequence to set print co-ordinates
+	// /x1b[line;columnH
+	u32 i;
+	iprintf("\x1b[9;10HROM Dumper\n");
+	iprintf("\x1b[10;5HPlease look at the TV\n");
+	REG_HS_CTRL |= 6;
+	while (1) {
+		if((REG_HS_CTRL&4))
+		{
+			REG_HS_CTRL |= 4;
+			u32 gamesize = getGameSize();
+			REG_JOYTR = gamesize;
+			while((REG_HS_CTRL&4) == 0) ;
+			REG_HS_CTRL |= 4;
+			if(gamesize == 0)
+			{
+				REG_JOYTR = 0;
+				continue; //nothing to read
+			}
+			//game in, send header
+			for(i = 0; i < 0xC0; i+=4)
+			{
+				REG_JOYTR = *(vu32*)(0x08000000+i);
+				while((REG_HS_CTRL&4) == 0) ;
+				REG_HS_CTRL |= 4;
+			}
+			//wait for other side to choose
+			while((REG_HS_CTRL&2) == 0) ;
+			REG_HS_CTRL |= 2;
+			if(REG_JOYRE == 0)
+			{
+				REG_JOYTR = 0;
+				continue; //nothing to read
+			}
+			//dump the game
+			for(i = 0; i < gamesize; i+=4)
+			{
+				REG_JOYTR = *(vu32*)(0x08000000+i);
+				while((REG_HS_CTRL&4) == 0) ;
+				REG_HS_CTRL |= 4;
+			}
+			REG_JOYTR = 0;
+		}
+		Halt();
+	}
+}
+
+
-- 
cgit 1.4.1