port: make the legal screen render correctly

also, total errno death in the same commit because I am dumb

include/PR/gbi.h

@@ -1356,12 +1356,21 @@ typedef struct {
 } GsetothermodeH;
 
 typedef struct {
+#ifdef PLATFORM_BIG_ENDIAN
 	unsigned char  cmd;
 	unsigned char  lodscale;
 	unsigned char  tile;
 	unsigned char  on;
 	unsigned short s;
 	unsigned short t;
+#else
+	unsigned char  on;
+	unsigned char  tile;
+	unsigned char  lodscale;
+	unsigned char  cmd;
+	unsigned short t;
+	unsigned short s;
+#endif
 } Gtexture;
 
 typedef struct {
@@ -1543,6 +1552,14 @@ typedef union {
 	long long int  force_structure_alignment;
 } Gfx;
 
+#ifdef PLATFORM_N64
+#define GFX_W0_BYTE(i) (i)
+#define GFX_W1_BYTE(i) (4 + (i))
+#else
+#define GFX_W0_BYTE(i) (3 - (i))
+#define GFX_W1_BYTE(i) (7 - (i))
+#endif
+
 /*
  * Macros to assemble the graphics display list
  */

include/PR/os_cont.h

@@ -53,14 +53,14 @@ extern "C" {
 typedef struct {
 	u16     type;                   /* Controller Type */
 	u8      status;                 /* Controller status */
-	u8	errno;
+	u8	errnum;
 }OSContStatus;
 
 typedef struct {
 	u16     button;
 	s8      stick_x;		/* -80 <= stick_x <= 80 */
 	s8      stick_y;		/* -80 <= stick_y <= 80 */
-	u8	errno;
+	u8	errnum;
 } OSContPad;
 
 typedef struct {
@@ -68,7 +68,7 @@ typedef struct {
 	u8      databuffer[32];         /* address of the data buffer */
         u8      addressCrc;             /* CRC code for address */
 	u8      dataCrc;                /* CRC code for data */
-	u8	errno;
+	u8	errnum;
 } OSContRamIo;