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Fix masking savegames so it can write to a masked savegame

This commit is contained in:
Jeffrey Pfau 2014-08-04 23:46:33 -07:00
parent 82b31c46f1
commit 5ee336d274
2 changed files with 8 additions and 3 deletions
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9
src/gba/gba-savedata.c
View File

@ -19,6 +19,7 @@ void GBASavedataInit(struct GBASavedata* savedata, struct VFile* vf) {
savedata->flashState = FLASH_STATE_RAW;
savedata->vf = vf;
savedata->realVf = vf;
savedata->mapMode = MAP_WRITE;
}
void GBASavedataDeinit(struct GBASavedata* savedata) {
@ -65,11 +66,13 @@ void GBASavedataDeinit(struct GBASavedata* savedata) {
void GBASavedataMask(struct GBASavedata* savedata, struct VFile* vf) {
GBASavedataDeinit(savedata);
savedata->vf = vf;
savedata->mapMode = MAP_READ;
}
void GBASavedataUnmask(struct GBASavedata* savedata) {
GBASavedataDeinit(savedata);
savedata->vf = savedata->realVf;
savedata->mapMode = MAP_WRITE;
}
bool GBASavedataClone(struct GBASavedata* savedata, struct VFile* out) {
@ -115,7 +118,7 @@ void GBASavedataInitFlash(struct GBASavedata* savedata) {
if (end < SIZE_CART_FLASH512) {
savedata->vf->truncate(savedata->vf, SIZE_CART_FLASH1M);
}
savedata->data = savedata->vf->map(savedata->vf, SIZE_CART_FLASH1M, MAP_WRITE);
savedata->data = savedata->vf->map(savedata->vf, SIZE_CART_FLASH1M, savedata->mapMode);
}
savedata->currentBank = savedata->data;
@ -140,7 +143,7 @@ void GBASavedataInitEEPROM(struct GBASavedata* savedata) {
if (end < SIZE_CART_EEPROM) {
savedata->vf->truncate(savedata->vf, SIZE_CART_EEPROM);
}
savedata->data = savedata->vf->map(savedata->vf, SIZE_CART_EEPROM, MAP_WRITE);
savedata->data = savedata->vf->map(savedata->vf, SIZE_CART_EEPROM, savedata->mapMode);
}
if (end < SIZE_CART_EEPROM) {
memset(&savedata->data[end], 0xFF, SIZE_CART_EEPROM - end);
@ -163,7 +166,7 @@ void GBASavedataInitSRAM(struct GBASavedata* savedata) {
if (end < SIZE_CART_SRAM) {
savedata->vf->truncate(savedata->vf, SIZE_CART_SRAM);
}
savedata->data = savedata->vf->map(savedata->vf, SIZE_CART_SRAM, MAP_WRITE);
savedata->data = savedata->vf->map(savedata->vf, SIZE_CART_SRAM, savedata->mapMode);
}
if (end < SIZE_CART_SRAM) {

2
src/gba/gba-savedata.h
View File

@ -57,6 +57,8 @@ struct GBASavedata {
uint8_t* data;
enum SavedataCommand command;
struct VFile* vf;
int mapMode;
struct VFile* realVf;
int readBitsRemaining;