示例#1
0
void MemPtrs::reset(const unsigned rombanks, const unsigned rambanks, const unsigned wrambanks) {
	delete []memchunk_;
	memchunk_len = 0x4000 + rombanks * 0x4000ul + 0x4000 + rambanks * 0x2000ul + wrambanks * 0x1000ul + 0x4000;
	memchunk_ = new unsigned char[memchunk_len];

	romdata_[0] = romdata();
	rambankdata_ = romdata_[0] + rombanks * 0x4000ul + 0x4000;
	wramdata_[0] = rambankdata_ + rambanks * 0x2000ul;
	wramdataend_ = wramdata_[0] + wrambanks * 0x1000ul;

	std::memset(rdisabledRamw(), 0xFF, 0x2000);
	
	oamDmaSrc_ = OAM_DMA_SRC_OFF;
	rmem_[0x3] = rmem_[0x2] = rmem_[0x1] = rmem_[0x0] = romdata_[0];
	rmem_[0xC] = wmem_[0xC] = wramdata_[0] - 0xC000;
	rmem_[0xE] = wmem_[0xE] = wramdata_[0] - 0xE000;
	setRombank(1);
	setRambank(0, 0);
	setVrambank(0);
	setWrambank(1);

	// we save only the ram areas
	memchunk_saveoffs = vramdata() - memchunk_;
	memchunk_savelen = wramdataend() - memchunk_ - memchunk_saveoffs;
}
示例#2
0
文件: memptrs.cpp 项目: CUE0/gambatte
void MemPtrs::reset(unsigned const rombanks, unsigned const rambanks, unsigned const wrambanks) {
	delete []memchunk_;
	memchunk_ = new unsigned char[
		  0x4000
		+ rombanks * 0x4000ul
		+ 0x4000
		+ rambanks * 0x2000ul
		+ wrambanks * 0x1000ul
		+ 0x4000];

	romdata_[0] = romdata();
	rambankdata_ = romdata_[0] + rombanks * 0x4000ul + 0x4000;
	wramdata_[0] = rambankdata_ + rambanks * 0x2000ul;
	wramdataend_ = wramdata_[0] + wrambanks * 0x1000ul;

	std::memset(rdisabledRamw(), 0xFF, 0x2000);

	oamDmaSrc_ = oam_dma_src_off;
	rmem_[0x3] = rmem_[0x2] = rmem_[0x1] = rmem_[0x0] = romdata_[0];
	rmem_[0xC] = wmem_[0xC] = wramdata_[0] - 0xC000;
	rmem_[0xE] = wmem_[0xE] = wramdata_[0] - 0xE000;
	setRombank(1);
	setRambank(0, 0);
	setVrambank(0);
	setWrambank(1);
}
示例#3
0
void MemPtrs::setRombank(const unsigned bank) {
	romdata_[1] = romdata() + bank * 0x4000ul - 0x4000;
	rmem_[0x7] = rmem_[0x6] = rmem_[0x5] = rmem_[0x4] = romdata_[1];
	disconnectOamDmaAreas();
}
示例#4
0
void MemPtrs::setRombank0(const unsigned bank) {
	romdata_[0] = romdata() + bank * 0x4000ul;
	rmem_[0x3] = rmem_[0x2] = rmem_[0x1] = rmem_[0x0] = romdata_[0];
	disconnectOamDmaAreas();
}