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comparison src/gb/GB.cpp @ 76:d7c38ce83421

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working on disk-backup for save-states
author Robert McIntyre <rlm@mit.edu>
date Thu, 08 Mar 2012 19:48:54 -0600
parents 4699c7bab77d
children 1ff2c546f5ad
comparison
equal deleted inserted replaced
75:eb7d4efe0f34 76:d7c38ce83421
2461 { NULL, 0 } 2461 { NULL, 0 }
2462 }; 2462 };
2463 2463
2464 bool gbWriteSaveStateToStream(gzFile gzFile) 2464 bool gbWriteSaveStateToStream(gzFile gzFile)
2465 { 2465 {
2466
2466 utilWriteInt(gzFile, GBSAVE_GAME_VERSION); 2467 utilWriteInt(gzFile, GBSAVE_GAME_VERSION);
2467 2468
2469
2468 utilGzWrite(gzFile, &gbRom[0x134], 15); 2470 utilGzWrite(gzFile, &gbRom[0x134], 15);
2469 2471
2470 utilWriteData(gzFile, gbSaveGameStruct); 2472 utilWriteData(gzFile, gbSaveGameStruct);
2471 2473
2472 utilGzWrite(gzFile, &IFF, 2); 2474 utilGzWrite(gzFile, &IFF, 2);
2473 2475
2474 if (gbSgbMode) 2476 if (gbSgbMode)
2475 { 2477 {
2476 gbSgbSaveGame(gzFile); 2478 gbSgbSaveGame(gzFile);
2477 } 2479 }
2478 2480
2547 utilGzWrite(gzFile, &GBSystemCounters.lagCount, sizeof(GBSystemCounters.lagCount)); 2549 utilGzWrite(gzFile, &GBSystemCounters.lagCount, sizeof(GBSystemCounters.lagCount));
2548 utilGzWrite(gzFile, &GBSystemCounters.lagged, sizeof(GBSystemCounters.lagged)); 2550 utilGzWrite(gzFile, &GBSystemCounters.lagged, sizeof(GBSystemCounters.lagged));
2549 utilGzWrite(gzFile, &GBSystemCounters.laggedLast, sizeof(GBSystemCounters.laggedLast)); 2551 utilGzWrite(gzFile, &GBSystemCounters.laggedLast, sizeof(GBSystemCounters.laggedLast));
2550 } 2552 }
2551 2553
2554 utilWriteInt(gzFile, 0x07); // RLM this is the end of file marker.
2552 return true; 2555 return true;
2553 } 2556 }
2554 2557
2558
2559 long gbWriteMemSaveStatePos(char *memory, int available){
2560 gzFile gzFile = utilMemGzOpen(memory, available, "w");
2561
2562 if (gzFile == NULL)
2563 {
2564 return false;
2565 }
2566
2567 bool res = gbWriteSaveStateToStream(gzFile);
2568
2569 long pos = utilGzTell(gzFile) + 8;
2570
2571 if (pos >= available){
2572 pos = 0;
2573 }
2574
2575 utilGzClose(gzFile);
2576
2577 return pos;
2578
2579 }
2580
2555 bool gbWriteMemSaveState(char *memory, int available) 2581 bool gbWriteMemSaveState(char *memory, int available)
2556 { 2582 {
2557 gzFile gzFile = utilMemGzOpen(memory, available, "w"); 2583 long pos = gbWriteMemSaveStatePos(memory, available);
2558 2584 if (pos > 0) { return true; }
2559 if (gzFile == NULL) 2585 else{ return false; }
2560 {
2561 return false;
2562 }
2563
2564 bool res = gbWriteSaveStateToStream(gzFile);
2565
2566 long pos = utilGzTell(gzFile) + 8;
2567
2568 if (pos >= (available))
2569 res = false;
2570
2571 utilGzClose(gzFile);
2572
2573 return res;
2574 } 2586 }
2575 2587
2576 bool gbWriteSaveState(const char *name) 2588 bool gbWriteSaveState(const char *name)
2577 { 2589 {
2578 gzFile gzFile = utilGzOpen(name, "wb"); 2590 gzFile gzFile = utilGzOpen(name, "wb");