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Simplify the handling of the dirty tiles to just store the dirty word and not keep the array of dirty tile offsets. Have the flea use game and non-game dirty tiles to fix the problem with LHS tiles being marked dirty all the time.

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This commit is contained in:
Jeremy Rand 2020-09-04 01:55:38 -04:00
parent 22a22d3533
commit 92c02ded0f
6 changed files with 22 additions and 73 deletions
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1
BuGS/game.s
View File

@ -102,7 +102,6 @@ gameDone anop
drawDirtyGameTiles entry
stz numDirtyGameTiles
_drawDirtyGameRow 0
_drawDirtyGameRow 1
_drawDirtyGameRow 2

17
BuGS/gameFlea.s
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@ -25,22 +25,19 @@ FLEA_FAST_UPDATES_PER_TILE equ TILE_PIXEL_HEIGHT/4-1
drawFlea entry
lda fleaState
beq drawFlea_done
bne drawFlea_cont
rtl
drawFlea_cont anop
ldy fleaScreenOffset
ldx fleaSprite
jsl fleaJump
ldy numDirtyGameTiles
_dirtyGameOrNonGameTile fleaTileOffsets
_dirtyGameOrNonGameTile fleaTileOffsets+2
_dirtyGameOrNonGameTile fleaTileOffsets+4
_dirtyGameOrNonGameTile fleaTileOffsets+6
_dirtyGameTileWithY fleaTileOffsets
_dirtyGameTileWithY fleaTileOffsets+2
_dirtyGameTileWithY fleaTileOffsets+4
_dirtyGameTileWithY fleaTileOffsets+6
sty numDirtyGameTiles
drawFlea_done anop
rtl

8
BuGS/gameSegments.s
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@ -60,10 +60,10 @@ drawSegments_handleTiles anop
asl a
tay
_dirtyGameTile segmentTileOffsets
_dirtyGameTile segmentTileOffsets+2
_dirtyGameTile segmentTileOffsets+4
_dirtyGameTile segmentTileOffsets+6
_dirtyGameTileWithY segmentTileOffsets
_dirtyGameTileWithY segmentTileOffsets+2
_dirtyGameTileWithY segmentTileOffsets+4
_dirtyGameTileWithY segmentTileOffsets+6
plx
drawSegments_skipSegment anop

54
BuGS/global.macros
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@ -9,7 +9,6 @@
macro
_drawDirtyGameRow &rowNum
trace on
short i,m
lda >BORDER_COLOUR_REGISTER
and #$f0
@ -64,48 +63,16 @@ _drawDirtyGameRow_wait&rowNum anop
_drawDirtyGameRow_skip&tileOffset anop
&tileOffset seta &tileOffset+2
aif &tileOffset<&lastTileOffset,.drawDirtyGameRowLoop
trace off
mend
; This macro uses the Y register as an index into the tile offsets. This is
; needed for segments because each segment has their own dirty tile offsets.
macro
_dirtyGameTile &tileOffset
ldx &tileOffset,y
lda tileDirty,x
bne _dirtyGameTile_skip&SYSCNT
lda #TILE_STATE_DIRTY
sta tileDirty,x
txa
ldx numDirtyGameTiles
sta dirtyGameTiles,x
inx
inx
stx numDirtyGameTiles
_dirtyGameTile_skip&SYSCNT anop
mend
; Call this with Y already loaded with the numDirtyGameTiles. Also, the new
; numDirtyGameTiles is left in Y. The caller must store it.
macro
_dirtyGameTileWithY &tileOffset
ldx &tileOffset
lda tileDirty,x
bne _dirtyGameTileWithY_skip&SYSCNT
ldx &tileOffset,y
lda #TILE_STATE_DIRTY
sta tileDirty,x
txa
sta dirtyGameTiles,y
iny
iny
_dirtyGameTileWithY_skip&SYSCNT anop
mend
@ -113,23 +80,20 @@ _dirtyGameTileWithY_skip&SYSCNT anop
_dirtyGameOrNonGameTile &tileOffset
ldx &tileOffset
cpx #RHS_FIRST_TILE_OFFSET
bge _dirtyGameTile_nonGame&SYSCNT
lda #TILE_STATE_DIRTY
sta tileDirty,x
bra _dirtyGameTile_skip&SYSCNT
_dirtyGameTile_nonGame&SYSCNT anop
lda tileDirty,x
bne _dirtyGameTile_skip&SYSCNT
lda #TILE_STATE_DIRTY
sta tileDirty,x
txa
cmp #RHS_FIRST_TILE_OFFSET
bge _dirtyGameTile_nonGame&SYSCNT
ldy numDirtyGameTiles
sta dirtyGameTiles,y
iny
iny
sty numDirtyGameTiles
bra _dirtyGameTile_skip&SYSCNT
_dirtyGameTile_nonGame&SYSCNT anop
ldy numDirtyNonGameTiles
txa
sta dirtyNonGameTiles,y
iny
iny

11
BuGS/tiles.c
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@ -37,12 +37,7 @@
#define STARTING_NUM_MUSHROOMS 30
#define STARTING_NUM_PLAYERS 3
#define ADD_DIRTY_GAME_TILE(tileNum) \
if (!tileDirty[tileNum]) { \
tileDirty[tileNum] = 1; \
dirtyGameTiles[numDirtyGameTiles / 2] = ((tileNum) * sizeof(word)); \
numDirtyGameTiles += 2; \
}
#define ADD_DIRTY_GAME_TILE(tileNum) tileDirty[tileNum] = 1;
#define ADD_DIRTY_NON_GAME_TILE(tileNum) \
if (!tileDirty[tileNum]) { \
@ -61,9 +56,6 @@ tTileOffset tileBelow[TOTAL_NUM_TILES];
tTileOffset tileLeft[TOTAL_NUM_TILES];
tTileOffset tileRight[TOTAL_NUM_TILES];
tTileOffset dirtyGameTiles[NUM_GAME_TILES + GAME_NUM_TILES_TALL];
word numDirtyGameTiles;
tTileOffset dirtyNonGameTiles[NUM_NON_GAME_TILES];
word numDirtyNonGameTiles;
@ -179,7 +171,6 @@ void initTiles(void)
}
}
numDirtyGameTiles = 0;
numDirtyNonGameTiles = 0;
}

2
BuGS/tiles.h
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@ -113,8 +113,6 @@ extern tTileOffset tileBelow[TOTAL_NUM_TILES];
extern tTileOffset tileLeft[TOTAL_NUM_TILES];
extern tTileOffset tileRight[TOTAL_NUM_TILES];
extern tTileOffset dirtyGameTiles[NUM_GAME_TILES + GAME_NUM_TILES_TALL];
extern word numDirtyGameTiles;
extern tTileOffset dirtyNonGameTiles[NUM_NON_GAME_TILES];
extern word numDirtyNonGameTiles;