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