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pad the extra space like the retrode does when segaSram16bit is 2

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This commit is contained in:
jiyunomegami 2020-07-12 20:21:38 +09:00
parent f3b2fe8252
commit d07d80a4b7
1 changed files with 11 additions and 5 deletions
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16
Cart_Reader/MD.ino
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@ -790,11 +790,6 @@ void getCartInfo_MD() {
sramBase = sramBase >> 1; sramBase = sramBase >> 1;
} }
} }
if (segaSram16bit == 2) { // 64KB
sramBase = 0x200000;
sramEnd = 0x20FFFF;
sramSize = 1UL << 15; // sramSize is the number of 2 byte words
}
} }
// Get name // Get name
@ -1160,6 +1155,17 @@ void readSram_MD() {
else else
myFile.write(sdBuffer, 256); myFile.write(sdBuffer, 256);
} }
if (segaSram16bit == 2) {
// pad to 64KB
for (int i = 0; i < 512; i++) {
sdBuffer[i] = 0xFF;
}
unsigned long padsize = (1UL << 16) - (sramSize << 1);
unsigned long padblockcount = padsize >> 9; // number of 512 byte blocks
for (int i = 0; i < padblockcount; i++) {
myFile.write(sdBuffer, 512);
}
}
// Close the file: // Close the file:
myFile.close(); myFile.close();
print_Msg(F("Saved to ")); print_Msg(F("Saved to "));