diff --git a/src/devices/file.c b/src/devices/file.c
index 28d7f63..60d03b3 100644
--- a/src/devices/file.c
+++ b/src/devices/file.c
@@ -150,7 +150,7 @@ file_deo(Device *d, Uint8 port)
 	case 0x5:
 		DEVPEEK16(a, 0x4);
 		DEVPEEK16(b, 0xa);
-		res = file_stat(&memory[a], b);
+		res = file_stat(&bank1[a], b);
 		DEVPOKE16(0x2, res);
 		break;
 	case 0x6:
@@ -159,19 +159,19 @@ file_deo(Device *d, Uint8 port)
 		break;
 	case 0x9:
 		DEVPEEK16(a, 0x8);
-		res = file_init(&memory[a]);
+		res = file_init(&bank1[a]);
 		DEVPOKE16(0x2, res);
 		break;
 	case 0xd:
 		DEVPEEK16(a, 0xc);
 		DEVPEEK16(b, 0xa);
-		res = file_read(&memory[a], b);
+		res = file_read(&bank1[a], b);
 		DEVPOKE16(0x2, res);
 		break;
 	case 0xf:
 		DEVPEEK16(a, 0xe);
 		DEVPEEK16(b, 0xa);
-		res = file_write(&memory[a], b, d->dat[0x7]);
+		res = file_write(&bank1[a], b, d->dat[0x7]);
 		DEVPOKE16(0x2, res);
 		break;
 	}
diff --git a/src/devices/file.h b/src/devices/file.h
index 9df401d..0a1d8bc 100644
--- a/src/devices/file.h
+++ b/src/devices/file.h
@@ -12,4 +12,4 @@ WITH REGARD TO THIS SOFTWARE.
 
 void file_deo(Device *d, Uint8 port);
 
-extern Uint8 *memory;
\ No newline at end of file
+extern Uint8 *bank1;
\ No newline at end of file
diff --git a/src/uxncli.c b/src/uxncli.c
index e879e33..719a83a 100644
--- a/src/uxncli.c
+++ b/src/uxncli.c
@@ -4,7 +4,7 @@
 
 #include "uxn.h"
 
-Uint8 *supervisor_memory, *memory;
+Uint8 *bank0, *bank1;
 
 #include "devices/system.h"
 #include "devices/file.h"
@@ -119,9 +119,9 @@ main(int argc, char **argv)
 	Uxn u;
 	int i, loaded = 0;
 
-	supervisor_memory = (Uint8 *)calloc(0x10000, sizeof(Uint8));
-	memory = (Uint8 *)calloc(0x10000, sizeof(Uint8));
-	if(!uxn_boot(&u, memory, supervisor_memory + PAGE_DEV, (Stack *)(supervisor_memory + PAGE_WST), (Stack *)(supervisor_memory + PAGE_RST)))
+	bank0 = (Uint8 *)calloc(0x10000, sizeof(Uint8));
+	bank1 = (Uint8 *)calloc(0x10000, sizeof(Uint8));
+	if(!uxn_boot(&u, bank1, bank0 + PAGE_DEV, (Stack *)(bank0 + PAGE_WST), (Stack *)(bank0 + PAGE_RST)))
 		return error("Boot", "Failed");
 
 	/* system   */ devsystem = uxn_port(&u, 0x0, system_dei, system_deo);
diff --git a/src/uxnemu.c b/src/uxnemu.c
index 51aa735..f9e9b08 100644
--- a/src/uxnemu.c
+++ b/src/uxnemu.c
@@ -4,7 +4,7 @@
 
 #include "uxn.h"
 
-Uint8 *supervisor_memory, *memory;
+Uint8 *bank0, *bank1;
 
 #pragma GCC diagnostic push
 #pragma clang diagnostic push
@@ -252,10 +252,10 @@ load(Uxn *u, char *rom)
 static int
 start(Uxn *u, char *rom)
 {
-	memory = (Uint8 *)calloc(0x10000, sizeof(Uint8));
-	supervisor_memory = (Uint8 *)calloc(0x10000, sizeof(Uint8));
+	bank1 = (Uint8 *)calloc(0x10000, sizeof(Uint8));
+	bank0 = (Uint8 *)calloc(0x10000, sizeof(Uint8));
 
-	if(!uxn_boot(u, memory, supervisor_memory + PAGE_DEV, (Stack *)(supervisor_memory + PAGE_WST), (Stack *)(supervisor_memory + PAGE_RST)))
+	if(!uxn_boot(u, bank1, bank0 + PAGE_DEV, (Stack *)(bank0 + PAGE_WST), (Stack *)(bank0 + PAGE_RST)))
 		return error("Boot", "Failed to start uxn.");
 	if(!load(u, rom))
 		return error("Boot", "Failed to load rom.");
@@ -277,7 +277,7 @@ start(Uxn *u, char *rom)
 	/* unused   */ uxn_port(u, 0xf, nil_dei, nil_deo);
 
 	/* Supervisor */
-	if(!uxn_boot(&supervisor, supervisor_memory, supervisor_memory + VISOR_DEV, (Stack *)(supervisor_memory + VISOR_WST), (Stack *)(supervisor_memory + VISOR_RST)))
+	if(!uxn_boot(&supervisor, bank0, bank0 + VISOR_DEV, (Stack *)(bank0 + VISOR_WST), (Stack *)(bank0 + VISOR_RST)))
 		return error("Boot", "Failed to start uxn.");
 	if(!load(&supervisor, "supervisor.rom"))
 		error("Supervisor", "No debugger found.");