Mercurial > vba-clojure

     1 #include <cstdio>

     2 #include <cstring>

     3 

     4 #include "GBAGlobals.h"

     5 

     6 extern void (*dbgOutput)(char *, u32);

     7 extern int systemVerbose;

     8 

     9 static bool agbPrintEnabled = false;

    10 static bool agbPrintProtect = false;

    11 

    12 bool agbPrintWrite(u32 address, u16 value)

    13 {

    14 	if (agbPrintEnabled)

    15 	{

    16 		if (address == 0x9fe2ffe) // protect

    17 		{

    18 			agbPrintProtect = (value != 0);

    19 			debuggerWriteHalfWord(address, value);

    20 			return true;

    21 		}

    22 		else

    23 		{

    24 			if (agbPrintProtect &&

    25 			    ((address >= 0x9fe20f8 && address <= 0x9fe20ff) // control structure

    26 			     || (address >= 0x8fd0000 && address <= 0x8fdffff)

    27 			     || (address >= 0x9fd0000 && address <= 0x9fdffff)))

    28 			{

    29 				debuggerWriteHalfWord(address, value);

    30 				return true;

    31 			}

    32 		}

    33 	}

    34 	return false;

    35 }

    36 

    37 void agbPrintReset()

    38 {

    39 	agbPrintProtect = false;

    40 }

    41 

    42 void agbPrintEnable(bool enable)

    43 {

    44 	agbPrintEnabled = enable;

    45 }

    46 

    47 bool agbPrintIsEnabled()

    48 {

    49 	return agbPrintEnabled;

    50 }

    51 

    52 void agbPrintFlush()

    53 {

    54 	u16 get = debuggerReadHalfWord(0x9fe20fc);

    55 	u16 put = debuggerReadHalfWord(0x9fe20fe);

    56 

    57 	u32 address = (debuggerReadHalfWord(0x9fe20fa) << 16);

    58 	if (address != 0xfd0000 && address != 0x1fd0000)

    59 	{

    60 		dbgOutput("Did you forget to call AGBPrintInit?\n", 0);

    61 		// get rid of the text otherwise we will continue to be called

    62 		debuggerWriteHalfWord(0x9fe20fc, put);

    63 		return;

    64 	}

    65 

    66 	u8 *data = &rom[address];

    67 

    68 	while (get != put)

    69 	{

    70 		char c = data[get++];

    71 		char s[2];

    72 		s[0] = c;

    73 		s[1] = 0;

    74 

    75 		if (systemVerbose & VERBOSE_AGBPRINT)

    76 			dbgOutput(s, 0);

    77 		if (c == '\n')

    78 			break;

    79 	}

    80 	debuggerWriteHalfWord(0x9fe20fc, get);

    81 }

    82
author	Robert McIntyre <rlm@mit.edu>
date	Sat, 24 Mar 2012 20:06:25 -0500
parents	f9f4f1b99eed
children