Contiguous WRAM

include/link/mylink.h

@@ -10,6 +10,7 @@
 extern SLONG options;
 #define OPT_SMALL	0x01
 #define OPT_SMART_C_LINK	0x02
+#define OPT_CONTWRAM 0x04
 
 enum eRpnData {
 	RPN_ADD = 0,

src/link/assign.c

@@ -280,7 +280,11 @@ AssignSections(void)
 		} else if (i == BANK_WRAM0) {
 			/* WRAM */
 			BankFree[i]->nOrg = 0xC000;
-			BankFree[i]->nSize = 0x1000;
+			if (options & OPT_CONTWRAM) {
+				BankFree[i]->nSize = 0x2000;
+			} else {
+				BankFree[i]->nSize = 0x1000;
+			}
 		} else if (i >= BANK_SRAM && i < BANK_SRAM + BANK_COUNT_SRAM) {
 			/* Swappable SRAM bank */
 			BankFree[i]->nOrg = 0xA000;
@@ -318,6 +322,10 @@ AssignSections(void)
 		    && pSection->oAssigned == 0) {
 			/* User wants to have a say... */
 
+			if (pSection->Type == SECT_WRAMX && options & OPT_CONTWRAM) {
+				errx(1, "WRAMX not compatible with -w!");
+			}
+
 			switch (pSection->Type) {
 			case SECT_WRAM0:
 			case SECT_HRAM:

src/link/main.c

@@ -35,7 +35,7 @@ static void
 usage(void)
 {
 	printf(
-"usage: rgblink [-t] [-m mapfile] [-n symfile] [-o outfile] [-p pad_value]\n"
+"usage: rgblink [-tw] [-m mapfile] [-n symfile] [-o outfile] [-p pad_value]\n"
 "               [-s symbol] file [...]\n");
 	exit(1);
 }
@@ -56,7 +56,7 @@ main(int argc, char *argv[])
 
 	progname = argv[0];
 
-	while ((ch = getopt(argc, argv, "m:n:o:p:s:t")) != -1) {
+	while ((ch = getopt(argc, argv, "m:n:o:p:s:t:w")) != -1) {
 		switch (ch) {
 		case 'm':
 			SetMapfileName(optarg);
@@ -84,6 +84,12 @@ main(int argc, char *argv[])
 		case 't':
 			options |= OPT_SMALL;
 			break;
+		case 'w':
+			/* Set to set WRAM as a single continuous block as on DMG.
+			All WRAM sections must be WRAM0 as bankable WRAM sections do
+			not exist in this mode. A WRAMX section will raise an error. */
+			options |= OPT_CONTWRAM;
+			break;
 		default:
 			usage();
 			/* NOTREACHED */