mirror of
https://github.com/sanni/cartreader.git
synced 2024-11-10 23:15:08 +01:00
All: Factorise title generation from cart.
Fix out-of-bound access when first byte is not an ascii printable character. Reduces program space use by 480 bytes.
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3b05046ee9
commit
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@ -1884,6 +1884,32 @@ void setColor_RGB(byte r, byte g, byte b) {
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#endif
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}
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// Extract ASCII printable characters from input, collapsing underscores and spaces.
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// Use when extracting titles from cartridges, to build a rom title.
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byte buildRomName(char *output, const byte *input, byte length) {
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byte input_char;
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byte output_len = 0;
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for (unsigned int i = 0; i < length; i++) {
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input_char = input[i];
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if (isprint(input_char) && input_char != '<' && input_char != '>' && input_char != ':' && input_char != '"' && input_char != '/' && input_char != '\\' && input_char != '|' && input_char != '?' && input_char != '*') {
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output[output_len++] = input_char;
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} else {
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if (output_len == 0 || output[output_len - 1] != '_') {
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output[output_len++] = '_';
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}
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}
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}
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while (
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output_len && (
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output[output_len - 1] == '_' || output[output_len - 1] == ' '
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)
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) {
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output_len--;
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}
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output[output_len] = 0;
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return output_len;
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}
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// Converts a progmem array into a ram array
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void convertPgm(const char* const pgmOptions[], byte numArrays) {
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for (int i = 0; i < numArrays; i++) {
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@ -882,12 +882,10 @@ void getCartInfo_GB() {
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for (int addr = 0x0134; addr <= 0x0143 - x; addr++) {
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myByte = sdBuffer[addr];
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if (isprint(myByte) && myByte != '<' && myByte != '>' && myByte != ':' && myByte != '"' && myByte != '/' && myByte != '\\' && myByte != '|' && myByte != '?' && myByte != '*') {
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romName[myLength] = char(myByte);
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} else {
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if (romName[myLength - 1] == 0x5F) myLength--;
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romName[myLength] = 0x5F;
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romName[myLength++] = char(myByte);
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} else if (myLength == 0 || romName[myLength - 1] != '_') {
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romName[myLength++] = '_';
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}
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myLength++;
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}
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// Find Game Serial
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@ -904,11 +902,13 @@ void getCartInfo_GB() {
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}
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// Strip trailing white space
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for (unsigned int i = myLength - 1; i > 0; i--) {
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if ((romName[i] != 0x5F) && (romName[i] != 0x20)) break;
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romName[i] = 0x00;
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while (
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myLength &&
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(romName[myLength - 1] == '_' || romName[myLength - 1] == ' ')
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) {
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myLength--;
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}
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romName[myLength] = 0;
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// M161 (Mani 4 in 1)
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if (strncmp(romName, "TETRIS SET", 10) == 0 && sdBuffer[0x14D] == 0x3F) {
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@ -755,25 +755,7 @@ void getCartInfo_GBA() {
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}
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// Get name
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byte myByte = 0;
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byte myLength = 0;
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for (int addr = 0xA0; addr <= 0xAB; addr++) {
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myByte = sdBuffer[addr];
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if (isprint(myByte) && myByte != '<' && myByte != '>' && myByte != ':' && myByte != '"' && myByte != '/' && myByte != '\\' && myByte != '|' && myByte != '?' && myByte != '*') {
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romName[myLength] = char(myByte);
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} else {
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if (romName[myLength - 1] == 0x5F) myLength--;
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romName[myLength] = 0x5F;
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}
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myLength++;
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}
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// Strip trailing white space
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for (unsigned int i = myLength - 1; i > 0; i--) {
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if ((romName[i] != 0x5F) && (romName[i] != 0x20)) break;
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romName[i] = 0x00;
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myLength--;
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}
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buildRomName(romName, &sdBuffer[0xA0], 11);
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// Get ROM version
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romVersion = sdBuffer[0xBC];
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@ -2181,33 +2181,9 @@ void idCart() {
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// Get rom version
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romVersion = sdBuffer[0x3F];
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// Get name
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byte myByte = 0;
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byte myLength = 0;
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for (unsigned int i = 0; i < 20; i++) {
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myByte = sdBuffer[0x20 + i];
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if (isprint(myByte) && myByte != '<' && myByte != '>' && myByte != ':' && myByte != '"' && myByte != '/' && myByte != '\\' && myByte != '|' && myByte != '?' && myByte != '*') {
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romName[myLength] = char(myByte);
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} else {
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if (romName[myLength - 1] == 0x5F) myLength--;
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romName[myLength] = 0x5F;
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}
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myLength++;
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}
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// Strip trailing white space
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for (unsigned int i = myLength - 1; i > 0; i--) {
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if ((romName[i] != 0x5F) && (romName[i] != 0x20)) break;
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romName[i] = 0x00;
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myLength--;
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}
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// If name consists out of all japanese characters use cart id
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if (myLength == 0) {
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romName[0] = sdBuffer[0x3B];
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romName[1] = sdBuffer[0x3C];
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romName[2] = sdBuffer[0x3D];
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romName[3] = sdBuffer[0x3E];
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if (buildRomName(romName, &sdBuffer[0x20], 20) == 0) {
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strcpy(romName, cartID);
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}
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#ifdef savesummarytotxt
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@ -4874,4 +4850,4 @@ unsigned long verifyGameshark_N64() {
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//******************************************
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// End of File
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//******************************************
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//******************************************
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@ -1016,25 +1016,7 @@ boolean checkcart_SNES() {
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}
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// Get name
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byte myByte = 0;
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byte myLength = 0;
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for (unsigned int i = 0xFFC0; i < 0xFFD5; i++) {
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myByte = snesHeader[i - headerStart];
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if (isprint(myByte) && myByte != '<' && myByte != '>' && myByte != ':' && myByte != '"' && myByte != '/' && myByte != '\\' && myByte != '|' && myByte != '?' && myByte != '*') {
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romName[myLength] = char(myByte);
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} else {
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if (romName[myLength - 1] == 0x5F) myLength--;
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romName[myLength] = 0x5F;
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}
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myLength++;
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}
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// Strip trailing white space
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for (unsigned int i = myLength - 1; i > 0; i--) {
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if ((romName[i] != 0x5F) && (romName[i] != 0x20)) break;
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romName[i] = 0x00;
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myLength--;
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}
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byte myLength = buildRomName(romName, &snesHeader[headerStart], 21);
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// If name consists out of all japanese characters use game code
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if (myLength == 0) {
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@ -1045,9 +1027,10 @@ boolean checkcart_SNES() {
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romName[3] = 'C';
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romName[4] = '-';
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for (unsigned int i = 0; i < 4; i++) {
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byte myByte;
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myByte = snesHeader[0xFFB2 + i - headerStart];
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if (((char(myByte) >= 48 && char(myByte) <= 57) || (char(myByte) >= 65 && char(myByte) <= 122)) && myLength < 4) {
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romName[myLength + 5] = char(myByte);
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if (((myByte >= '0' && myByte <= '9') || (myByte >= 'A' && myByte <= 'z')) && myLength < 4) {
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romName[myLength + 5] = myByte;
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myLength++;
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}
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}
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