Reformat diffs; to do: explain changes

2 files changed, 72 insertions, 34 deletions

diff --git a/Increase-Pokémon-sprite-animation-size.md b/Increase-Pokémon-sprite-animation-size.md
index 96e5f01..fba12c6 100644
--- a/Increase-Pokémon-sprite-animation-size.md
+++ b/Increase-Pokémon-sprite-animation-size.md
@@ -49,22 +49,31 @@ By studying how the animation graphics are loaded and played, we can use the ent
 
 ## 2. Edit engine/gfx/load_pics.asm
 
-Most of the code and idea was taken from Prism, adapted for current pokecrystal.
+Most of the code and idea was taken from Pokémon Prism.
 
 ```diff
-diff --git a/engine/gfx/load_pics.asm b/engine/gfx/load_pics.asm
---- a/engine/gfx/load_pics.asm
-+++ b/engine/gfx/load_pics.asm
-@@ -58,7 +58,7 @@ GetMonFrontpic:
+ GetMonFrontpic:
+ 	ld a, [wCurPartySpecies]
+ 	ld [wCurSpecies], a
+ 	call IsAPokemon
+ 	ret c
+ 	ld a, [rSVBK]
+ 	push af
  	call _GetFrontpic
  	pop af
  	ld [rSVBK], a
 -	ret
-+	jp CloseSRAM
- 
+-	jp CloseSRAM
+```
+
+```diff
  GetAnimatedFrontpic:
  	ld a, [wCurPartySpecies]
-@@ -70,12 +70,18 @@ GetAnimatedFrontpic:
+ 	ld [wCurSpecies], a
+ 	call IsAPokemon
+ 	ret c
+ 	ld a, [rSVBK]
+ 	push af
  	xor a
  	ld [hBGMapMode], a
  	call _GetFrontpic
@@ -77,21 +86,25 @@ diff --git a/engine/gfx/load_pics.asm b/engine/gfx/load_pics.asm
  	ld [rSVBK], a
 -	ret
 +	jp CloseSRAM
- 
+```
+
+```diff
  _GetFrontpic:
 +	ld a, BANK(sScratch)
 +	call GetSRAMBank
  	push de
  	call GetBaseData
  	ld a, [wBasePicSize]
-@@ -86,15 +92,24 @@ _GetFrontpic:
+ 	and $f
+ 	ld b, a
+ 	push bc
+ 	call GetFrontpicPointer
  	ld a, BANK(wDecompressEnemyFrontpic)
  	ld [rSVBK], a
  	ld a, b
 -	ld de, wDecompressEnemyFrontpic
 +	ld de, wDecompressScratch
  	call FarDecompress
-+
 +	; Save decompressed size
 +	swap e
 +	swap d
@@ -99,7 +112,6 @@ diff --git a/engine/gfx/load_pics.asm b/engine/gfx/load_pics.asm
 +	and $f0
 +	or e
 +	ld [sScratch], a
-+
  	pop bc
 -	ld hl, wDecompressScratch
 -	ld de, wDecompressEnemyFrontpic
@@ -113,9 +125,12 @@ diff --git a/engine/gfx/load_pics.asm b/engine/gfx/load_pics.asm
  	ld c, 7 * 7
  	ld a, [hROMBank]
  	ld b, a
-@@ -130,10 +145,8 @@ GetFrontpicPointer:
+ 	call Get2bpp
+ 	pop hl
  	ret
- 
+```
+
+```diff
  GetAnimatedEnemyFrontpic:
 -	ld a, BANK(vTiles3)
 -	ld [rVBK], a
@@ -125,7 +140,13 @@ diff --git a/engine/gfx/load_pics.asm b/engine/gfx/load_pics.asm
  	ld c, 7 * 7
  	ld a, [hROMBank]
  	ld b, a
-@@ -147,18 +160,24 @@ GetAnimatedEnemyFrontpic:
+ 	call Get2bpp
+ 	pop hl
+ 	ld de, 7 * 7 tiles
+ 	add hl, de
+ 	push hl
+ 	ld a, BANK(wBasePicSize)
+ 	ld hl, wBasePicSize
  	call GetFarWRAMByte
  	pop hl
  	and $f
@@ -143,49 +164,52 @@ diff --git a/engine/gfx/load_pics.asm b/engine/gfx/load_pics.asm
 +	ld de, wDecompressScratch + 7 * 7 tiles
  	ld c, 7 * 7
  .got_dims
- 
 +	; Get animation size (total - base sprite size)
 +	ld a, [sScratch]
 +	sub c
 +	ret z ; Return if there's no animation
 +	ld c, a
-+
  	push hl
  	push bc
  	call LoadFrontpicTiles
-@@ -167,10 +186,28 @@ GetAnimatedEnemyFrontpic:
+ 	pop bc
+ 	pop hl
  	ld de, wDecompressScratch
  	ld a, [hROMBank]
  	ld b, a
-+
 +	; If we can load it in a single pass, just do it
 +	ld a, c
-+	sub (128 - 7 * 7)
-+	jr c, .copy_and_finish
-+
++	sub 128 - 7 * 7
++	jr c, .finish
 +	; Otherwise, load the first part...
 +	inc a
 +	ld [sScratch], a
-+	ld c, (127 - 7 * 7)
++	ld c, 127 - 7 * 7
  	call Get2bpp
 -	xor a
 -	ld [rVBK], a
 -	ret
-+
-+	; Then move up a bit and load the rest
++	; ...then load the rest into vTiles4
 +	ld de, wDecompressScratch + (127 - 7 * 7) tiles
 +	ld hl, vTiles4
 +	ld a, [hROMBank]
 +	ld b, a
 +	ld a, [sScratch]
 +	ld c, a
-+
-+.copy_and_finish
++.finish
 +	jp Get2bpp
- 
+```
+
+```diff
  LoadFrontpicTiles:
  	ld hl, wDecompressScratch
-@@ -184,11 +221,17 @@ LoadFrontpicTiles:
+ 	swap c
+ 	ld a, c
+ 	and $f
+ 	ld b, a
+ 	ld a, c
+ 	and $f0
+ 	ld c, a
  	push bc
  	call LoadOrientedFrontpic
  	pop bc
@@ -205,14 +229,22 @@ diff --git a/engine/gfx/load_pics.asm b/engine/gfx/load_pics.asm
  	ret
 ```
 
+TODO: explain changes.
+
 
 ## 3. Edit engine/gfx/pic_animation.asm
 
 ```diff
-diff --git a/engine/gfx/pic_animation.asm b/engine/gfx/pic_animation.asm
---- a/engine/gfx/pic_animation.asm
-+++ b/engine/gfx/pic_animation.asm
-@@ -621,6 +621,9 @@ PokeAnim_ConvertAndApplyBitmask:
+ PokeAnim_ConvertAndApplyBitmask:
+ 	...
+ 
+ .ApplyFrame:
+ 	push af
+ 	call .GetCoord
+ 	pop af
+ 	push hl
+ 	call .GetTilemap
+ 	ld hl, wPokeAnimGraphicStartTile
  	add [hl]
  	pop hl
  	ld [hl], a
@@ -220,4 +252,10 @@ diff --git a/engine/gfx/pic_animation.asm b/engine/gfx/pic_animation.asm
 +	ret c
 +	inc [hl]
  	ret
-```
\ No newline at end of file
+```
+
+TODO: explain changes.
+
+Now we're done!
+
+![Screenshot](screenshots/larger-sprite-anim.png)
diff --git a/screenshots/larger-sprite-anim.png b/screenshots/larger-sprite-anim.png
new file mode 100644
index 0000000..842d752
--- /dev/null
+++ b/screenshots/larger-sprite-anim.png