shithub: rgbds

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add -k option to set new licensee code

--- a/src/fix/main.c

+++ b/src/fix/main.c

@@ -25,6 +25,7 @@

 #define OPTF_GBCMODE	0x100L

 #define OPTF_JAPAN	0x200L

 #define OPTF_SGBMODE	0x400L

+#define OPTF_NLICENSEE	0x800L

 unsigned long ulOptions;

@@ -63,6 +64,7 @@

 		"\t\tAn optional hexadecimal pad value can be supplied (default is 0)");

 	printf("  -r\t\ttRuncate image to valid size\n\t\t\tTruncates to 32/64/128/256/512kB as appropriate\n");

 	printf("  -t<name>\tChange cartridge title field (16 characters)\n");

+	printf("  -k<code>\tChange licensee code (2 characters)\n");

 	printf("  -v\t\tValidate header\n"

 		"\t\tCorrects - Nintendo Character Area (0x0104)\n"

 		"\t\t\t - ROM type (0x0147)\n"

@@ -225,6 +227,7 @@

 	int argn = 1;

 	char filename[512];

 	char cartname[32];

+	char nlicensee[3];

 	FILE *f;

 	int pad_value = 0;

 	int ram_size = 0;

@@ -297,6 +300,10 @@

 				strncpy(cartname, argv[argn] + 2, 16);

 				ulOptions |= OPTF_TITLE;

 				break;

+			case 'k':

+				strncpy(nlicensee, argv[argn] + 2, 2);

+				ulOptions |= OPTF_NLICENSEE;

+				break;

 			case 'q':

 				ulOptions |= OPTF_QUIET;

 				break;

@@ -439,6 +446,23 @@

 			}

 			if (!(ulOptions & OPTF_QUIET)) {

 				printf("\tTitle set to %s\n", cartname);

+			}

+		}

+		/*

+		 * -k (Set new licensee) option code

+		 */

+		if (ulOptions & OPTF_NLICENSEE) {

+			if (!(ulOptions & OPTF_QUIET)) {

+				printf("Setting new licensee:\n");

+			}

+			if ((ulOptions & OPTF_DEBUG) == 0) {

+				fflush(f);

+				fseek(f, 0x13F, SEEK_SET);

+				fwrite(nlicensee, 2, 1, f);

+				fflush(f);

+			}

+			if (!(ulOptions & OPTF_QUIET)) {

+				printf("\tLicensee set to %s\n", nlicensee);

 			}

 		}

 		/*