void Socket::ProcessRead(void)
{
char buf[1024];
unsigned readBytes;
systemRead(buf, sizeof(buf), readBytes);
#if 0
m_lock->Retain();
#endif
concatBuffers(buf, readBytes, m_readBuf, m_readBufSize, m_readBufAllocSize);
#if 0
m_lock->Release();
#endif
}
// 这是我们自己处理IRP_MJ_READ的方法
NTSTATUS
myRead(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp
)
{
// 判断是不是我们的设备
if(DeviceObject == gDeviceObject){
//
NTSTATUS status = STATUS_SUCCESS;
//
// 这里做处理，要把一些数据填充到IRP中的数据缓冲区中
//
// 直接返回
return status;
}
// 不要忘了系统过程
return systemRead(DeviceObject, Irp);
}
bool neoSystemOpen(const char* szFileName)
{
TNeoRomHeader header;
int rom;
u32 bit;
ASSERT(g_neo->cpuClockDivide == 2 || g_neo->cpuClockDivide == 3);
guiConsoleLogf("Loading %s...", szFileName);
guiConsoleDump();
rom = systemOpen(szFileName, false);
ASSERTMSG(g_neo->cpuClockDivide == 2 || g_neo->cpuClockDivide == 3, "%d", g_neo->cpuClockDivide);
if(rom < 0) {
guiConsoleLogf(" -> Failed!");
ASSERT(0);
return false;
}
systemRead(rom, &header, sizeof(TNeoRomHeader));
if(header.magic != NEO_ROM_MAGIC ||
header.version != NEO_ROM_VERSION ||
header.sectionCount != NEOROM_COUNT) {
systemClose(rom);
guiConsoleLogf(" -> invalid rom");
guiConsoleLogf(" -> magic %08X / %08X", header.magic, NEO_ROM_MAGIC);
guiConsoleLogf(" -> version %d / %d", header.version, NEO_ROM_VERSION);
guiConsoleLogf(" -> section %d / %d", header.sectionCount, NEOROM_COUNT);
ASSERT(0);
return false;
}
neoSystemClose();
g_romSize = systemFileSize(rom) - NEO_HEADER_SIZE;
g_header = header;
g_rom = rom;
linearHeapReset(&g_vramHHeap);
linearHeapClear(&g_vramHHeap);
g_neo->scanline = 0;
g_neo->frameCount = 0;
g_neo->irqPending = 0;
g_neo->paletteBank = 0;
g_neo->fixedBank = 0;
g_neo->sramProtectCount = 0;
g_neo->debug = true;
g_neo->irqVectorLatch = false;
g_neo->screenDarkLatch = false;
g_neo->fixedRomLatch = false;
g_neo->sramProtectLatch = false;
g_neo->paletteRamLatch = false;
g_neo->smaRand = 0x2345;
NEOIPC->audioCommandPending = 0;
NEOIPC->audioResult = 0;
//sram hack gets around watchdog protection check...values taken from GnGeo
//added samsho5 variations
g_neo->sramProtection = g_header.sramProtection;
guiConsoleLogf("Loaded Game: %s", g_header.name);
g_neo->spriteCount = g_header.romEntry[NEOROM_SPRITEDATA].size / SPRITE_SIZE;
g_neo->spriteMask = 0xffffffff;
for(bit = 0x80000000; bit != 0; bit >>= 1) {
if((g_neo->spriteCount - 1) & bit) break;
g_neo->spriteMask >>= 1;
}
g_neo->romBankCount = 0;
const s32 bankSize = (s32)g_header.romEntry[NEOROM_MAINPROGRAM].size - 1*MB;
if(bankSize > 0) {
g_neo->romBankCount = bankSize / (1*MB);
if(g_neo->romBankCount * 1*MB != bankSize) {
g_neo->romBankCount++;
guiConsoleLogf(" -> partial rom bank");
}
}
guiConsoleLogf(" -> sprites: %d", g_neo->spriteCount);
guiConsoleLogf(" -> mask: %08X", g_neo->spriteMask);
guiConsoleLogf(" -> rom bank(s): %d", g_neo->romBankCount);
if(g_neo->sramProtection == -1) {
guiConsoleLogf(" -> sramProtection off");
} else {
guiConsoleLogf(" -> sramProtection: %08X", g_neo->sramProtection);
}
guiConsoleDump();
systemRamReset();
cpuInit();
neoMemoryInit();
neoIOInit();
pd4990a_init();
neoVideoInit();
neoInstallProtection();
//neoSystemIrq(INTR_COLDBOOT);
if(NEOIPC->globalAudioEnabled) {
neoAudioStreamInit();
neoIPCSendCommand(NEOARM7_RESET);
} else {
//this is the value that needs to be set to bypass Z80 check
NEOIPC->audioResult = 1;
}
cpuReset();
neoLoadConfig(szFileName);
neoResetContext();
ASSERTMSG(g_neo->cpuClockDivide == 2 || g_neo->cpuClockDivide == 3, "%d",
g_neo->cpuClockDivide);
return true;
}
