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SFM.ino: Factorise single-game gamecode retrieval.

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Frees 220 bytes of code and 16 bytes of ram.
This commit is contained in:
Vincent Pelletier 2022-10-24 04:38:56 +00:00
parent 67b54a690b
commit 3632b06980
1 changed files with 17 additions and 37 deletions
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42
Cart_Reader/SFM.ino
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@ -490,8 +490,8 @@ void getGames() {
for (int j = 0; j < 9; j++) {
myByte = readBank_SFM(0xC6, i * 0x2000 + 0x07 + j);
// Remove funny characters
if (((char(myByte) >= 44 && char(myByte) <= 57) || (char(myByte) >= 65 && char(myByte) <= 122)) && myLength < 9) {
gameCode[i][myLength] = char(myByte);
if (((myByte >= ',' && myByte <= '9') || (myByte >= 'A' && myByte <= 'z')) && myLength < 9) {
gameCode[i][myLength] = myByte;
myLength++;
}
}
@ -499,48 +499,28 @@ void getGames() {
gameCode[i][myLength] = '\0';
}
} else {
word base;
//check if hirom
if (readBank_SFM(0xC0, 0xFFD5) == 0x31) {
hirom[0] = true;
base = 0xFF00;
} else {
hirom[0] = false;
base = 0x7F00;
}
if (hirom[0]) {
gameVersion[0] = readBank_SFM(0xC0, 0xFFDB);
gameVersion[0] = readBank_SFM(0xC0, base + 0xDB);
gameCode[0][0] = 'G';
gameCode[0][1] = 'A';
gameCode[0][2] = 'M';
gameCode[0][3] = 'E';
gameCode[0][4] = '-';
gameCode[0][5] = char(readBank_SFM(0xC0, 0xFFB2));
gameCode[0][6] = char(readBank_SFM(0xC0, 0xFFB3));
gameCode[0][7] = char(readBank_SFM(0xC0, 0xFFB4));
gameCode[0][8] = char(readBank_SFM(0xC0, 0xFFB5));
gameCode[0][5] = readBank_SFM(0xC0, base + 0xB2);
gameCode[0][6] = readBank_SFM(0xC0, base + 0xB3);
gameCode[0][7] = readBank_SFM(0xC0, base + 0xB4);
gameCode[0][8] = readBank_SFM(0xC0, base + 0xB5);
gameCode[0][9] = '\0';
byte romSizeExp = readBank_SFM(0xC0, 0xFFD7) - 7;
gameSize[0] = 1;
while (romSizeExp--)
gameSize[0] *= 2;
} else {
gameVersion[0] = readBank_SFM(0xC0, 0x7FDB);
gameCode[0][0] = 'G';
gameCode[0][1] = 'A';
gameCode[0][2] = 'M';
gameCode[0][3] = 'E';
gameCode[0][4] = '-';
gameCode[0][5] = char(readBank_SFM(0xC0, 0x7FB2));
gameCode[0][6] = char(readBank_SFM(0xC0, 0x7FB3));
gameCode[0][7] = char(readBank_SFM(0xC0, 0x7FB4));
gameCode[0][8] = char(readBank_SFM(0xC0, 0x7FB5));
gameCode[0][9] = '\0';
byte romSizeExp = readBank_SFM(0xC0, 0x7FD7) - 7;
gameSize[0] = 1;
while (romSizeExp--)
gameSize[0] *= 2;
}
gameSize[0] = 1 << (readBank_SFM(0xC0, base + 0xD7) - 7);
}
}