shorten pal_fade_to wait time from 3 to 2

Author: UserSniper

src/neslib.c

@@ -159,7 +159,7 @@ __attribute__((noinline)) void ppu_wait_nmi(){
  *  ppu_off()
  *  wait for vblank and turn off the screen!
 */
-__attribute__((noinline)) void ppu_off(){
+void ppu_off(){
     PPU_MASK_VAR &= 0b11100111;
     ppu_wait_nmi();
 }
@@ -168,7 +168,7 @@ __attribute__((noinline)) void ppu_off(){
  *  ppu_on_all()
  *  wait for vblank and turn on the screen!
 */
-__attribute__((noinline)) void ppu_on_all(){
+void ppu_on_all(){
     PPU_MASK_VAR |= 0b00011000;
     ppu_wait_nmi();
 }
@@ -177,7 +177,7 @@ __attribute__((noinline)) void ppu_on_all(){
  *  ppu_on_bg()
  *  wait for vblank and turn on the background layer.
 */
-__attribute__((noinline)) void ppu_on_bg(){
+void ppu_on_bg(){
     PPU_MASK_VAR |= 0b00001000;
     ppu_wait_nmi();
 }
@@ -186,7 +186,7 @@ __attribute__((noinline)) void ppu_on_bg(){
  *  ppu_on_spr()
  *  wait for vblank and turn on the sprite layer.
 */
-__attribute__((noinline)) void ppu_on_spr(){
+void ppu_on_spr(){
     PPU_MASK_VAR |= 0b00010000;
     ppu_wait_nmi();
 }
@@ -195,7 +195,7 @@ __attribute__((noinline)) void ppu_on_spr(){
  *  ppu_mask()
  *  set the mask value (to be applied at end of vblank).
 */
-__attribute__((noinline)) void ppu_mask(unsigned char mask){
+void ppu_mask(unsigned char mask){
     PPU_MASK_VAR = mask;
 }
 

src/neslibext.c

@@ -50,7 +50,6 @@ void pal_fade_to(unsigned char from, unsigned char to){
             "lda #2 \n"
             "jsr ppu_wait_nmi \n" //wait 1 frames
             "jsr ppu_wait_nmi \n"
-            "jsr ppu_wait_nmi \n"
 
             "lda __rc12 \n" //from
             "cmp __rc11 \n" //to