@@ -48,19 +48,6 @@ system_print(Stack *s, char *name)

 	fprintf(stderr, "\n");

 }

-static void

-system_cmd(Uint8 *ram, Uint16 addr)

-{

-	if(ram[addr] == 0x1) {

-		Uint16 i, length = PEEK2(ram + addr + 1);

-		Uint16 a_page = PEEK2(ram + addr + 1 + 2), a_addr = PEEK2(ram + addr + 1 + 4);

-		Uint16 b_page = PEEK2(ram + addr + 1 + 6), b_addr = PEEK2(ram + addr + 1 + 8);

-		int src = (a_page % RAM_PAGES) * 0x10000, dst = (b_page % RAM_PAGES) * 0x10000;

-		for(i = 0; i < length; i++)

-			ram[dst + (Uint16)(b_addr + i)] = ram[src + (Uint16)(a_addr + i)];

-	}

-}

-

 int

 system_error(char *msg, const char *err)

 {

@@ -129,7 +116,16 @@ system_deo(Uxn *u, Uint8 *d, Uint8 port)

 {

 	switch(port) {

 	case 0x3:

-		system_cmd(u->ram, PEEK2(d + 2));

+		Uint8 *ram = u->ram;

+		Uint16 addr = PEEK2(d + 2);

+		if(ram[addr] == 0x1) {

+			Uint16 i, length = PEEK2(ram + addr + 1);

+			Uint16 a_page = PEEK2(ram + addr + 1 + 2), a_addr = PEEK2(ram + addr + 1 + 4);

+			Uint16 b_page = PEEK2(ram + addr + 1 + 6), b_addr = PEEK2(ram + addr + 1 + 8);

+			int src = (a_page % RAM_PAGES) * 0x10000, dst = (b_page % RAM_PAGES) * 0x10000;

+			for(i = 0; i < length; i++)

+				ram[dst + (Uint16)(b_addr + i)] = ram[src + (Uint16)(a_addr + i)];

+		}

 		break;

 	case 0xe:

 		system_inspect(u);