mirror of
https://github.com/dborth/vbagx.git
synced 2024-11-26 12:34:17 +01:00
107 lines
2.8 KiB
C++
107 lines
2.8 KiB
C++
// VisualBoyAdvance - Nintendo Gameboy/GameboyAdvance (TM) emulator.
|
|
// Copyright (C) 1999-2003 Forgotten
|
|
// Copyright (C) 2004 Forgotten and the VBA development team
|
|
|
|
// This program is free software; you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation; either version 2, or(at your option)
|
|
// any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with this program; if not, write to the Free Software Foundation,
|
|
// Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
#include "GBA.h"
|
|
#include "Globals.h"
|
|
#include "Port.h"
|
|
|
|
#define debuggerWriteHalfWord(addr, value) \
|
|
WRITE16LE((u16*)&map[(addr)>>24].address[(addr) & map[(addr)>>24].mask], (value))
|
|
|
|
#define debuggerReadHalfWord(addr) \
|
|
READ16LE(((u16*)&map[(addr)>>24].address[(addr) & map[(addr)>>24].mask]))
|
|
|
|
static bool agbPrintEnabled = false;
|
|
static bool agbPrintProtect = false;
|
|
|
|
bool agbPrintWrite(u32 address, u16 value)
|
|
{
|
|
if(agbPrintEnabled)
|
|
{
|
|
if(address == 0x9fe2ffe)
|
|
{ // protect
|
|
agbPrintProtect = (value != 0);
|
|
debuggerWriteHalfWord(address, value);
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
if(agbPrintProtect &&
|
|
((address >= 0x9fe20f8 && address <= 0x9fe20ff) // control structure
|
|
|| (address >= 0x8fd0000 && address <= 0x8fdffff)
|
|
|| (address >= 0x9fd0000 && address <= 0x9fdffff)))
|
|
{
|
|
debuggerWriteHalfWord(address, value);
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void agbPrintReset()
|
|
{
|
|
agbPrintProtect = false;
|
|
}
|
|
|
|
void agbPrintEnable(bool enable)
|
|
{
|
|
agbPrintEnabled = enable;
|
|
}
|
|
|
|
bool agbPrintIsEnabled()
|
|
{
|
|
return agbPrintEnabled;
|
|
}
|
|
|
|
extern void (*dbgOutput)(char *, u32);
|
|
|
|
void agbPrintFlush()
|
|
{
|
|
u16 get = debuggerReadHalfWord(0x9fe20fc);
|
|
u16 put = debuggerReadHalfWord(0x9fe20fe);
|
|
|
|
u32 address = (debuggerReadHalfWord(0x9fe20fa) << 16);
|
|
if(address != 0xfd0000 && address != 0x1fd0000)
|
|
{
|
|
dbgOutput("Did you forget to call AGBPrintInit?\n", 0);
|
|
// get rid of the text otherwise we will continue to be called
|
|
debuggerWriteHalfWord(0x9fe20fc, put);
|
|
return;
|
|
}
|
|
|
|
u8 *data = &rom[address];
|
|
|
|
while(get != put)
|
|
{
|
|
char c = data[get++];
|
|
char s[2];
|
|
s[0] = c;
|
|
s[1] = 0;
|
|
|
|
if(systemVerbose & VERBOSE_AGBPRINT)
|
|
dbgOutput(s, 0);
|
|
if(c == '\n')
|
|
break;
|
|
}
|
|
debuggerWriteHalfWord(0x9fe20fc, get);
|
|
}
|