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All: Factorise title generation from cart.

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Fix out-of-bound access when first byte is not an ascii printable
character.
Reduces program space use by 480 bytes.
This commit is contained in:
Vincent Pelletier 2022-10-23 15:49:38 +00:00
parent 3b05046ee9
commit 67b54a690b
5 changed files with 42 additions and 75 deletions
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26
Cart_Reader/Cart_Reader.ino
View File

@ -1884,6 +1884,32 @@ void setColor_RGB(byte r, byte g, byte b) {
#endif
}
// Extract ASCII printable characters from input, collapsing underscores and spaces.
// Use when extracting titles from cartridges, to build a rom title.
byte buildRomName(char *output, const byte *input, byte length) {
byte input_char;
byte output_len = 0;
for (unsigned int i = 0; i < length; i++) {
input_char = input[i];
if (isprint(input_char) && input_char != '<' && input_char != '>' && input_char != ':' && input_char != '"' && input_char != '/' && input_char != '\\' && input_char != '|' && input_char != '?' && input_char != '*') {
output[output_len++] = input_char;
} else {
if (output_len == 0 || output[output_len - 1] != '_') {
output[output_len++] = '_';
}
}
}
while (
output_len && (
output[output_len - 1] == '_' || output[output_len - 1] == ' '
)
) {
output_len--;
}
output[output_len] = 0;
return output_len;
}
// Converts a progmem array into a ram array
void convertPgm(const char* const pgmOptions[], byte numArrays) {
for (int i = 0; i < numArrays; i++) {

16
Cart_Reader/GB.ino
View File

@ -882,12 +882,10 @@ void getCartInfo_GB() {
for (int addr = 0x0134; addr <= 0x0143 - x; addr++) {
myByte = sdBuffer[addr];
if (isprint(myByte) && myByte != '<' && myByte != '>' && myByte != ':' && myByte != '"' && myByte != '/' && myByte != '\\' && myByte != '|' && myByte != '?' && myByte != '*') {
romName[myLength] = char(myByte);
} else {
if (romName[myLength - 1] == 0x5F) myLength--;
romName[myLength] = 0x5F;
romName[myLength++] = char(myByte);
} else if (myLength == 0 || romName[myLength - 1] != '_') {
romName[myLength++] = '_';
}
myLength++;
}
// Find Game Serial
@ -904,11 +902,13 @@ void getCartInfo_GB() {
}
// Strip trailing white space
for (unsigned int i = myLength - 1; i > 0; i--) {
if ((romName[i] != 0x5F) && (romName[i] != 0x20)) break;
romName[i] = 0x00;
while (
myLength &&
(romName[myLength - 1] == '_' || romName[myLength - 1] == ' ')
) {
myLength--;
}
romName[myLength] = 0;
// M161 (Mani 4 in 1)
if (strncmp(romName, "TETRIS SET", 10) == 0 && sdBuffer[0x14D] == 0x3F) {

20
Cart_Reader/GBA.ino
View File

@ -755,25 +755,7 @@ void getCartInfo_GBA() {
}
// Get name
byte myByte = 0;
byte myLength = 0;
for (int addr = 0xA0; addr <= 0xAB; addr++) {
myByte = sdBuffer[addr];
if (isprint(myByte) && myByte != '<' && myByte != '>' && myByte != ':' && myByte != '"' && myByte != '/' && myByte != '\\' && myByte != '|' && myByte != '?' && myByte != '*') {
romName[myLength] = char(myByte);
} else {
if (romName[myLength - 1] == 0x5F) myLength--;
romName[myLength] = 0x5F;
}
myLength++;
}
// Strip trailing white space
for (unsigned int i = myLength - 1; i > 0; i--) {
if ((romName[i] != 0x5F) && (romName[i] != 0x20)) break;
romName[i] = 0x00;
myLength--;
}
buildRomName(romName, &sdBuffer[0xA0], 11);
// Get ROM version
romVersion = sdBuffer[0xBC];

30
Cart_Reader/N64.ino
View File

@ -2181,33 +2181,9 @@ void idCart() {
// Get rom version
romVersion = sdBuffer[0x3F];
// Get name
byte myByte = 0;
byte myLength = 0;
for (unsigned int i = 0; i < 20; i++) {
myByte = sdBuffer[0x20 + i];
if (isprint(myByte) && myByte != '<' && myByte != '>' && myByte != ':' && myByte != '"' && myByte != '/' && myByte != '\\' && myByte != '|' && myByte != '?' && myByte != '*') {
romName[myLength] = char(myByte);
} else {
if (romName[myLength - 1] == 0x5F) myLength--;
romName[myLength] = 0x5F;
}
myLength++;
}
// Strip trailing white space
for (unsigned int i = myLength - 1; i > 0; i--) {
if ((romName[i] != 0x5F) && (romName[i] != 0x20)) break;
romName[i] = 0x00;
myLength--;
}
// If name consists out of all japanese characters use cart id
if (myLength == 0) {
romName[0] = sdBuffer[0x3B];
romName[1] = sdBuffer[0x3C];
romName[2] = sdBuffer[0x3D];
romName[3] = sdBuffer[0x3E];
if (buildRomName(romName, &sdBuffer[0x20], 20) == 0) {
strcpy(romName, cartID);
}
#ifdef savesummarytotxt
@ -4874,4 +4850,4 @@ unsigned long verifyGameshark_N64() {
//******************************************
// End of File
//******************************************
//******************************************

25
Cart_Reader/SNES.ino
View File

@ -1016,25 +1016,7 @@ boolean checkcart_SNES() {
}
// Get name
byte myByte = 0;
byte myLength = 0;
for (unsigned int i = 0xFFC0; i < 0xFFD5; i++) {
myByte = snesHeader[i - headerStart];
if (isprint(myByte) && myByte != '<' && myByte != '>' && myByte != ':' && myByte != '"' && myByte != '/' && myByte != '\\' && myByte != '|' && myByte != '?' && myByte != '*') {
romName[myLength] = char(myByte);
} else {
if (romName[myLength - 1] == 0x5F) myLength--;
romName[myLength] = 0x5F;
}
myLength++;
}
// Strip trailing white space
for (unsigned int i = myLength - 1; i > 0; i--) {
if ((romName[i] != 0x5F) && (romName[i] != 0x20)) break;
romName[i] = 0x00;
myLength--;
}
byte myLength = buildRomName(romName, &snesHeader[headerStart], 21);
// If name consists out of all japanese characters use game code
if (myLength == 0) {
@ -1045,9 +1027,10 @@ boolean checkcart_SNES() {
romName[3] = 'C';
romName[4] = '-';
for (unsigned int i = 0; i < 4; i++) {
byte myByte;
myByte = snesHeader[0xFFB2 + i - headerStart];
if (((char(myByte) >= 48 && char(myByte) <= 57) || (char(myByte) >= 65 && char(myByte) <= 122)) && myLength < 4) {
romName[myLength + 5] = char(myByte);
if (((myByte >= '0' && myByte <= '9') || (myByte >= 'A' && myByte <= 'z')) && myLength < 4) {
romName[myLength + 5] = myByte;
myLength++;
}
}