Apple-2gs-SW/iigs-game-engine
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Remove unneeded padding from some data arrays

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This commit is contained in:
Lucas Scharenbroich 2023-04-28 00:14:03 -05:00
parent 869d80af1e
commit c7a143b488
2 changed files with 4 additions and 13 deletions
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2
src/static/TileStore.s
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@ -550,7 +550,7 @@ ObjectListCount ENT
ObjectListHead ENT
ds 2
ObjectList ENT
ds {10*{MAX_ELEMENTS+2}} ; Extra space at the end for a sentinel marker
ds {2*{MAX_ELEMENTS+2}} ; Extra space at the end for a sentinel marker
; Steps to the different sprite stamps

15
src/static/TileStoreDefs.s
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@ -15,12 +15,7 @@ TS_WORD_OFFSET equ {TILE_STORE_SIZE*6} ; const value, word offset v
TS_JMP_ADDR equ {TILE_STORE_SIZE*7} ; const value, address of the 32-byte snippet space for this tile
TS_SCREEN_ADDR equ {TILE_STORE_SIZE*8} ; cached value of on-screen location of tile. Used for DirtyRender.
; TODO: Move these arrays into the K bank to support direct dispatch via jmp (abs,x)
; TS_BASE_TILE_COPY equ {TILE_STORE_SIZE*9} ; derived from TS_TILE_ID to optimize tile copy to support sprite rendering
; TS_BASE_TILE_DISP equ {TILE_STORE_SIZE*10} ; derived from TS_TILE_ID to optimize base (non-sprite) tile dispatch in the Render function
; TS_DIRTY_TILE_DISP equ {TILE_STORE_SIZE*11} ; derived from TS_TILE_ID to optimize dirty tile dispatch in the Render function
TILE_STORE_NUM equ 12 ; Need this many parallel arrays
TILE_STORE_NUM equ 9 ; Need this many parallel arrays
; Sprite data structures. We cache quite a few pieces of information about the sprite
; to make calculations faster, so this is hidden from the caller.
@ -28,15 +23,11 @@ TILE_STORE_NUM equ 12 ; Need this many parallel arra
MAX_SPRITES equ 16
SPRITE_REC_SIZE equ 42
MAX_OVERLAYS equ 2
MAX_OVERLAYS equ 3
MAX_ELEMENTS equ {MAX_SPRITES+MAX_OVERLAYS}
; Object list used in renderer
OL_SPRITE_ID equ 0 ; Usual parallel arrays
OL_SPRITE_TOP equ {2*{MAX_ELEMENTS+1}}
OL_SPRITE_BOTTOM equ {4*{MAX_ELEMENTS+1}}
OL_NEXT equ {6*{MAX_ELEMENTS+1}}
OL_INDEX equ {8*{MAX_ELEMENTS+1}} ; Reference to the index in the _Sprites array
OL_INDEX equ {0*{MAX_ELEMENTS+1}} ; Reference to the index in the _Sprites array
; Mark each sprite as ADDED, UPDATED, MOVED, REMOVED depending on the actions applied to it
; on this frame. Quick note, the same Sprite ID cannot be removed and added in the same frame.