"Monitor" parameter for cups

- Defaults to 1, AKA Sonic 1/2 monitor
- Set to 2 for Sonic 3k monitor
- Supports a range of 1-9 and A-Z
- Permits fine-grained rapid-prototype stretch goal Chaotix monitor stuff later in development

src/deh_soc.c

@@ -3501,7 +3501,16 @@ void readcupheader(MYFILE *f, cupheader_t *cup)
 			i = atoi(word2); // used for numerical settings
 			strupr(word2);
 
-			if (fastcmp(word, "ICON"))
+			if (fastcmp(word, "MONITOR"))
+			{
+				if (i > 0 && i < 10)
+					cup->monitor = i;
+				else if (!word2[0] || word2[1] != '\0' || word2[0] == '0')
+					deh_warning("%s Cup: Invalid monitor type \"%s\" (should be 1-9 or A-Z)\n", cup->name, word2);
+				else
+					cup->monitor = (word2[0] - 'A') + 10;
+			}
+			else if (fastcmp(word, "ICON"))
 			{
 				deh_strlcpy(cup->icon, word2,
 					sizeof(cup->icon), va("%s Cup: icon", cup->name));

src/dehacked.c

@@ -534,6 +534,7 @@ static void DEH_LoadDehackedFile(MYFILE *f, boolean mainfile)
 					{
 						cup = Z_Calloc(sizeof (cupheader_t), PU_STATIC, NULL);
 						cup->id = numkartcupheaders;
+						cup->monitor = 1;
 						deh_strlcpy(cup->name, word2,
 							sizeof(cup->name), va("Cup header %s: name", word2));
 						if (prev != NULL)

src/doomstat.h

@@ -357,6 +357,7 @@ struct mapheader_lighting_t
 struct cupheader_t
 {
 	UINT16 id;								///< Cup ID
+	UINT8 monitor;							///< Monitor graphic 1-9 or A-Z
 	char name[15];							///< Cup title (14 chars)
 	char icon[9];							///< Name of the icon patch
 	char *levellist[CUPCACHE_MAX];			///< List of levels that belong to this cup