lightrec: Only sync register cache before savestate if using dynarec

[pcsx_rearmed.git] / libpcsxcore / misc.c

diff --git a/libpcsxcore/misc.c b/libpcsxcore/misc.c
index 553b90d..a07ab19 100644 (file)
--- a/libpcsxcore/misc.c
+++ b/libpcsxcore/misc.c
@@ -21,11 +21,13 @@
 * Miscellaneous functions, including savestates and CD-ROM loading.
 */
 
+#include <stddef.h>
 #include "misc.h"
 #include "cdrom.h"
 #include "mdec.h"
 #include "gpu.h"
 #include "ppf.h"
+#include "database.h"
 #include <zlib.h>
 
 char CdromId[10] = "";
@@ -243,6 +245,7 @@ int LoadCdrom() {
        tmpHead.t_addr = SWAP32(tmpHead.t_addr);
 
        psxCpu->Clear(tmpHead.t_addr, tmpHead.t_size / 4);
+       psxCpu->Reset();
 
        // Read the rest of the main executable
        while (tmpHead.t_size & ~2047) {
@@ -290,6 +293,7 @@ int LoadCdromFile(const char *filename, EXE_HEADER *head) {
        addr = head->t_addr;
 
        psxCpu->Clear(addr, size / 4);
+       psxCpu->Reset();
 
        while (size & ~2047) {
                incTime();
@@ -386,17 +390,25 @@ int CheckCdrom() {
                strcpy(CdromId, "SLUS99999");
 
        if (Config.PsxAuto) { // autodetect system (pal or ntsc)
-               if (CdromId[2] == 'e' || CdromId[2] == 'E')
+               if (
+                       /* Make sure Wild Arms SCUS-94608 is not detected as a PAL game. */
+                       ((CdromId[0] == 's' || CdromId[0] == 'S') && (CdromId[2] == 'e' || CdromId[2] == 'E')) ||
+                       !strncmp(CdromId, "DTLS3035", 8) ||
+                       !strncmp(CdromId, "PBPX95001", 9) || // according to redump.org, these PAL
+                       !strncmp(CdromId, "PBPX95007", 9) || // discs have a non-standard ID;
+                       !strncmp(CdromId, "PBPX95008", 9))   // add more serials if they are discovered.
                        Config.PsxType = PSX_TYPE_PAL; // pal
                else Config.PsxType = PSX_TYPE_NTSC; // ntsc
        }
 
        if (CdromLabel[0] == ' ') {
-               memcpy(CdromLabel, CdromId, 9);
+               strncpy(CdromLabel, CdromId, 9);
        }
        SysPrintf(_("CD-ROM Label: %.32s\n"), CdromLabel);
        SysPrintf(_("CD-ROM ID: %.9s\n"), CdromId);
        SysPrintf(_("CD-ROM EXE Name: %.255s\n"), exename);
+       
+       Apply_Hacks_Cdrom();
 
        BuildPPFCache();
 
@@ -591,6 +603,15 @@ static const char PcsxHeader[32] = "STv4 PCSX v" PCSX_VERSION;
 // If you make changes to the savestate version, please increment the value below.
 static const u32 SaveVersion = 0x8b410006;
 
+static int drc_is_lightrec(void)
+{
+#if defined(LIGHTREC)
+       return 1;
+#else
+       return 0;
+#endif
+}
+
 int SaveState(const char *file) {
        void *f;
        GPUFreeze_t *gpufP;
@@ -603,6 +624,9 @@ int SaveState(const char *file) {
 
        new_dyna_before_save();
 
+       if (drc_is_lightrec() && Config.Cpu != CPU_INTERPRETER)
+               lightrec_plugin_prepare_save_state();
+
        SaveFuncs.write(f, (void *)PcsxHeader, 32);
        SaveFuncs.write(f, (void *)&SaveVersion, sizeof(u32));
        SaveFuncs.write(f, (void *)&Config.HLE, sizeof(boolean));
@@ -619,7 +643,8 @@ int SaveState(const char *file) {
        SaveFuncs.write(f, psxM, 0x00200000);
        SaveFuncs.write(f, psxR, 0x00080000);
        SaveFuncs.write(f, psxH, 0x00010000);
-       SaveFuncs.write(f, (void *)&psxRegs, sizeof(psxRegs));
+       // only partial save of psxRegisters to maintain savestate compat
+       SaveFuncs.write(f, &psxRegs, offsetof(psxRegisters, gteBusyCycle));
 
        // gpu
        gpufP = (GPUFreeze_t *)malloc(sizeof(GPUFreeze_t));
@@ -677,18 +702,18 @@ int LoadState(const char *file) {
        if (Config.HLE)
                psxBiosInit();
 
-#if defined(LIGHTREC)
-       if (Config.Cpu != CPU_INTERPRETER)
-               psxCpu->Clear(0, UINT32_MAX); //clear all
-       else
-#endif
-       psxCpu->Reset();
+       if (!drc_is_lightrec() || Config.Cpu == CPU_INTERPRETER)
+               psxCpu->Reset();
        SaveFuncs.seek(f, 128 * 96 * 3, SEEK_CUR);
 
        SaveFuncs.read(f, psxM, 0x00200000);
        SaveFuncs.read(f, psxR, 0x00080000);
        SaveFuncs.read(f, psxH, 0x00010000);
-       SaveFuncs.read(f, (void *)&psxRegs, sizeof(psxRegs));
+       SaveFuncs.read(f, &psxRegs, offsetof(psxRegisters, gteBusyCycle));
+       psxRegs.gteBusyCycle = psxRegs.cycle;
+
+       if (drc_is_lightrec() && Config.Cpu != CPU_INTERPRETER)
+               lightrec_plugin_prepare_load_state();
 
        if (Config.HLE)
                psxBiosFreeze(0);
@@ -775,7 +800,7 @@ int RecvPcsxInfo() {
        NET_recvData(&Config.Cpu, sizeof(Config.Cpu), PSE_NET_BLOCKING);
        if (tmp != Config.Cpu) {
                psxCpu->Shutdown();
-#if defined(NEW_DYNAREC) || defined(LIGHTREC)
+#ifndef DRC_DISABLE
                if (Config.Cpu == CPU_INTERPRETER) psxCpu = &psxInt;
                else psxCpu = &psxRec;
 #else