Add a full complement of firty tile rendering functions
This commit is contained in:
Lucas Scharenbroich
parent
48fa068dfd
commit
4e21680063
|
|
@ -190,7 +190,7 @@ EngineReset
|
|||
|
||||
; stz EngineMode
|
||||
stz DirtyBits
|
||||
stz LastRender
|
||||
stz LastRender ; Initialize as is a full render was performed
|
||||
stz LastPatchOffset
|
||||
stz BG1StartX
|
||||
stz BG1StartXMod164
|
||||
|
|
|
|||
73
src/GTE.s
73
src/GTE.s
|
|
@ -1,73 +0,0 @@
|
|||
; Collection of the EXTernal labels exported by GTE. This is the closest thing
|
||||
; we have to an API definition.
|
||||
|
||||
EngineStartUp EXT
|
||||
EngineShutDown EXT
|
||||
|
||||
SetScreenMode EXT
|
||||
ReadControl EXT
|
||||
|
||||
; Low-Level Functions
|
||||
SetPalette EXT
|
||||
GetVBLTicks EXT
|
||||
GetVerticalCounter EXT
|
||||
SetBorderColor EXT
|
||||
|
||||
; Tilemap functions
|
||||
SetBG0XPos EXT
|
||||
SetBG0YPos EXT
|
||||
SetBG1XPos EXT
|
||||
SetBG1YPos EXT
|
||||
CopyBG0Tile EXT
|
||||
CopyBG1Tile EXT
|
||||
|
||||
; SCB/Palette binding (high bit of array point indicates whether to bind to BG0 Y position (0)
|
||||
; or BG1 Y position (1).
|
||||
; SetSCBArray EXT
|
||||
BltSCB EXT
|
||||
|
||||
; Rotation
|
||||
ApplyBG1XPosAngle EXT
|
||||
ApplyBG1YPosAngle EXT
|
||||
|
||||
CopyPicToField EXT
|
||||
CopyBinToField EXT
|
||||
CopyPicToBG1 EXT
|
||||
CopyBinToBG1 EXT
|
||||
|
||||
AddTimer EXT
|
||||
RemoveTimer EXT
|
||||
DoTimers EXT
|
||||
|
||||
StartScript EXT
|
||||
StopScript EXT
|
||||
|
||||
; Sprite functions
|
||||
AddSprite EXT
|
||||
MoveSprite EXT ; Set an existing sprite's position
|
||||
UpdateSprite EXT ; Change an existing sprite's flags
|
||||
RemoveSprite EXT
|
||||
|
||||
; Direct access to internals
|
||||
DoScriptSeq EXT
|
||||
GetTileAddr EXT
|
||||
|
||||
PushDirtyTile EXT ; A = address from GetTileStoreOffset, marks as dirty (will not mark the same tile more than once)
|
||||
PopDirtyTile EXT ; No args, returns Y with tile store offset of the dirty tile
|
||||
ApplyTiles EXT ; Drain the dirty tile queue and call RenderTile on each
|
||||
GetTileStoreOffset EXT ; X = column, Y = row
|
||||
TileStore EXT ; Tile store internal data structure
|
||||
|
||||
RenderDirty EXT ; Render only dirty tiles + sprites directly to the SHR screen
|
||||
|
||||
; GetSpriteVBuffAddr EXT ; X = x-coordinate (0 - 159), Y = y-coordinate (0 - 199). Return in Acc.
|
||||
|
||||
; Allocate a full 64K bank
|
||||
AllocBank EXT
|
||||
|
||||
; Data references
|
||||
;
|
||||
; Super Hires line address lookup table for convenience
|
||||
ScreenAddr EXT
|
||||
OneSecondCounter EXT
|
||||
BlitBuff EXT
|
||||
49
src/Render.s
49
src/Render.s
|
|
@ -20,6 +20,8 @@
|
|||
; It's important to do _ApplyBG0YPos first because it calculates the value of StartY % 208 which is
|
||||
; used in all of the other loops
|
||||
_Render
|
||||
; lda LastRender ; Check to see what kind of rendering was done on the last frame. If
|
||||
; beq :no_change ; it was not this renderer,
|
||||
jsr _DoTimers ; Run any pending timer tasks
|
||||
|
||||
stz SpriteRemovedFlag ; If we remove a sprite, then we need to flag a rebuild for the next frame
|
||||
|
|
@ -37,7 +39,7 @@ _Render
|
|||
jsr _UpdateBG0TileMap ; and the tile maps. These subroutines build up a list of tiles
|
||||
; jsr _UpdateBG1TileMap ; that need to be updated in the code field
|
||||
|
||||
jsr _ApplyTilesFast ; This function actually draws the new tiles into the code field
|
||||
jsr _ApplyTiles ; This function actually draws the new tiles into the code field
|
||||
|
||||
jsr _ApplyBG0XPos ; Patch the code field instructions with exit BRA opcode
|
||||
jsr _ApplyBG1XPos ; Update the direct page value based on the horizontal position
|
||||
|
|
@ -129,10 +131,11 @@ _DoOverlay
|
|||
:disp jsl $000000
|
||||
rts
|
||||
|
||||
; The _ApplyTilesFast is the same as _ApplyTiles, but we use the _RenderTileFast subroutine
|
||||
_ApplyTilesFast
|
||||
; Run through all of the tiles on the DirtyTile list and render them
|
||||
_ApplyTiles
|
||||
ldx DirtyTileCount
|
||||
|
||||
phd ; sve the current direct page
|
||||
tdc
|
||||
clc
|
||||
adc #$100 ; move to the next page
|
||||
|
|
@ -141,48 +144,10 @@ _ApplyTilesFast
|
|||
stx DP2_DIRTY_TILE_COUNT ; Cache the dirty tile count
|
||||
jsr _PopDirtyTilesFast
|
||||
|
||||
tdc ; Move back to the original direct page
|
||||
sec
|
||||
sbc #$100
|
||||
tcd
|
||||
|
||||
pld ; Move back to the original direct page
|
||||
stz DirtyTileCount ; Reset the dirty tile count
|
||||
rts
|
||||
|
||||
; The _ApplyTiles function is responsible for rendering all of the dirty tiles into the code
|
||||
; field. In this function we switch to the second direct page which holds the temporary
|
||||
; working buffers for tile rendering.
|
||||
;
|
||||
_ApplyTiles
|
||||
tdc
|
||||
clc
|
||||
adc #$100 ; move to the next page
|
||||
tcd
|
||||
|
||||
bra :begin
|
||||
|
||||
:loop
|
||||
; Retrieve the offset of the next dirty Tile Store items in the X-register
|
||||
|
||||
jsr _PopDirtyTile2
|
||||
|
||||
; Call the generic dispatch with the Tile Store record pointer at by the X-register.
|
||||
|
||||
phb
|
||||
; jsr _RenderTile2
|
||||
plb
|
||||
|
||||
; Loop again until the list of dirty tiles is empty
|
||||
|
||||
:begin ldy DirtyTileCount
|
||||
bne :loop
|
||||
|
||||
tdc ; Move back to the original direct page
|
||||
sec
|
||||
sbc #$100
|
||||
tcd
|
||||
rts
|
||||
|
||||
; This is a specialized render function that only updates the dirty tiles *and* draws them
|
||||
; directly onto the SHR graphics buffer. The playfield is not used at all. In some way, this
|
||||
; ignores almost all of the capabilities of GTE, but it does provide a convenient way to use
|
||||
|
|
|
|||
11
src/Tiles.s
11
src/Tiles.s
|
|
@ -415,6 +415,17 @@ TwoLyrDynProcs
|
|||
TwoLyrDynOver dw CopyDynamicTileTwoLyr,DynamicOverTwoLyr,OneSpriteDynamicOverTwoLyr
|
||||
TwoLyrDynUnder dw CopyDynamicTileTwoLyr,DynamicUnderTwoLyr,OneSpriteDynamicUnderTwoLyr
|
||||
|
||||
; "Dirty" procs that are for dirty tile direct rendering. No moving background.
|
||||
DirtyProcs
|
||||
DirtyOverZA dw ConstTile0Dirty,SpriteOver0Dirty,OneSpriteDirtyOver0
|
||||
DirtyOverZV dw ConstTile0Dirty,SpriteOver0Dirty,OneSpriteDirtyOver0
|
||||
DirtyOverNA dw CopyTileADirty,SpriteOverADirty,OneSpriteDirtyOverA
|
||||
DirtyOverNV dw CopyTileVDirty,SpriteOverVDirty,OneSpriteDirtyOverV
|
||||
DirtyUnderZA dw ConstTile0Dirty,SpriteUnder0Dirty,SpriteUnder0Dirty
|
||||
DirtyUnderZV dw ConstTile0Dirty,SpriteUnder0Dirty,SpriteUnder0Dirty
|
||||
DirtyUnderNA dw CopyTileADirty,SpriteUnderADirty,OneSpriteDirtyUnderA
|
||||
DirtyUnderNV dw CopyTileVDirty,SpriteUnderVDirty,OneSpriteDirtyUnderV
|
||||
|
||||
; SetBG0XPos
|
||||
;
|
||||
; Set the virtual horizontal position of the primary background layer. In addition to
|
||||
|
|
|
|||
|
|
@ -725,6 +725,7 @@ _TSRefresh
|
|||
put render/Slow.s
|
||||
put render/Dynamic.s
|
||||
put render/TwoLayer.s
|
||||
put render/Dirty.s
|
||||
put render/Sprite1.s
|
||||
put render/Sprite2.s
|
||||
put tiles/DirtyTileQueue.s
|
||||
|
|
|
|||
|
|
@ -2,7 +2,8 @@
|
|||
|
||||
; A = tile address
|
||||
; Y = screen address
|
||||
DirtyTileZero
|
||||
SpriteUnder0Dirty
|
||||
ConstTile0Dirty
|
||||
lda TileStore+TS_SCREEN_ADDR,x ; Get the on-screen address of this tile
|
||||
tax
|
||||
pei DP2_BANK01_AND_TILESTORE_BANKS
|
||||
|
|
@ -13,11 +14,50 @@ DirtyTileZero
|
|||
stz: {]line*SHR_LINE_WIDTH}+0,x
|
||||
stz: {]line*SHR_LINE_WIDTH}+2,x
|
||||
]line equ ]line+1
|
||||
--^
|
||||
|
||||
plb
|
||||
rts
|
||||
|
||||
DirtyTileA
|
||||
; Sprite over a zero tile
|
||||
OneSpriteDirtyOver0
|
||||
ldy TileStore+TS_SCREEN_ADDR,x
|
||||
tax
|
||||
|
||||
pei DP2_BANK01_AND_TILESTORE_BANKS
|
||||
plb
|
||||
|
||||
]line equ 0
|
||||
lup 8
|
||||
ldal spritedata+{]line*SPRITE_PLANE_SPAN}+0,x
|
||||
sta: {]line*SHR_LINE_WIDTH}+0,y
|
||||
ldal spritedata+{]line*SPRITE_PLANE_SPAN}+2,x
|
||||
sta: {]line*SHR_LINE_WIDTH}+2,y
|
||||
]line equ ]line+1
|
||||
--^
|
||||
|
||||
plb
|
||||
rts
|
||||
|
||||
; Multiple sprites (copied to direct page temp space)
|
||||
SpriteOver0Dirty
|
||||
ldy TileStore+TS_SCREEN_ADDR,x
|
||||
pei DP2_BANK01_AND_TILESTORE_BANKS
|
||||
plb
|
||||
|
||||
]line equ 0
|
||||
lup 8
|
||||
lda tmp_sprite_data+{]line*4}+0
|
||||
sta: {]line*SHR_LINE_WIDTH}+0,y
|
||||
lda tmp_sprite_data+{]line*4}+2
|
||||
sta: {]line*SHR_LINE_WIDTH}+2,y
|
||||
]line equ ]line+1
|
||||
--^
|
||||
|
||||
plb
|
||||
rts
|
||||
|
||||
CopyTileADirty
|
||||
ldy TileStore+TS_SCREEN_ADDR,x ; Get the on-screen address of this tile
|
||||
lda TileStore+TS_TILE_ADDR,x ; load the address of this tile's data (pre-calculated)
|
||||
tax
|
||||
|
|
@ -32,11 +72,12 @@ DirtyTileA
|
|||
ldal tiledata+{]line*4}+2,x
|
||||
sta: {]line*SHR_LINE_WIDTH}+2,y
|
||||
]line equ ]line+1
|
||||
--^
|
||||
|
||||
plb
|
||||
rts
|
||||
|
||||
DirtyTileV
|
||||
CopyTileVDirty
|
||||
ldy TileStore+TS_SCREEN_ADDR,x ; Get the on-screen address of this tile
|
||||
lda TileStore+TS_TILE_ADDR,x ; load the address of this tile's data (pre-calculated)
|
||||
tax
|
||||
|
|
@ -54,19 +95,27 @@ DirtyTileV
|
|||
]src equ ]src-1
|
||||
]dest equ ]dest+1
|
||||
--^
|
||||
|
||||
plb
|
||||
rts
|
||||
|
||||
; DirtySpriteLine srcLine,destLine,dpAddr,offset
|
||||
DirtySpriteLine mac
|
||||
lda tiledata+{]1*TILE_DATA_SPAN}+]4,y
|
||||
DirtySpriteOver mac
|
||||
lda: tiledata+{]1*TILE_DATA_SPAN}+]4,y
|
||||
andl spritemask+{]2*SPRITE_PLANE_SPAN}+]4,x
|
||||
oral spritedata+{]2*SPRITE_PLANE_SPAN}+]4,x
|
||||
sta ]3+]4
|
||||
<<<
|
||||
|
||||
DirtySpriteUnder mac
|
||||
ldal spritedata+{]2*SPRITE_PLANE_SPAN}+]4,x
|
||||
and tiledata+{]1*TILE_DATA_SPAN}+32+]4,y
|
||||
ora tiledata+{]1*TILE_DATA_SPAN}+]4,y
|
||||
sta ]3+]4
|
||||
<<<
|
||||
|
||||
; Special routine for a single sprite
|
||||
OneSpriteDirtyA
|
||||
OneSpriteDirtyOverA
|
||||
ldy TileStore+TS_TILE_ADDR,x
|
||||
lda TileStore+TS_SCREEN_ADDR,x
|
||||
ldx sprite_ptr0
|
||||
|
|
@ -80,37 +129,37 @@ OneSpriteDirtyA
|
|||
|
||||
_R0W1
|
||||
|
||||
DirtySpriteLine 0,0,$00,0
|
||||
DirtySpriteLine 0,0,$00,2
|
||||
DirtySpriteLine 1,1,$A0,0
|
||||
DirtySpriteLine 1,1,$A0,2
|
||||
DirtySpriteOver 0;0;$00;0
|
||||
DirtySpriteOver 0;0;$00;2
|
||||
DirtySpriteOver 1;1;$A0;0
|
||||
DirtySpriteOver 1;1;$A0;2
|
||||
|
||||
tdc
|
||||
adc #320
|
||||
tcd
|
||||
|
||||
DirtySpriteLine 2,2,$00,0
|
||||
DirtySpriteLine 2,2,$00,2
|
||||
DirtySpriteLine 3,3,$A0,0
|
||||
DirtySpriteLine 3,3,$A0,2
|
||||
DirtySpriteOver 2;2;$00;0
|
||||
DirtySpriteOver 2;2;$00;2
|
||||
DirtySpriteOver 3;3;$A0;0
|
||||
DirtySpriteOver 3;3;$A0;2
|
||||
|
||||
tdc
|
||||
adc #320
|
||||
tcd
|
||||
|
||||
DirtySpriteLine 4,4,$00,0
|
||||
DirtySpriteLine 4,4,$00,2
|
||||
DirtySpriteLine 5,5,$A0,0
|
||||
DirtySpriteLine 5,5,$A0,2
|
||||
DirtySpriteOver 4;4;$00;0
|
||||
DirtySpriteOver 4;4;$00;2
|
||||
DirtySpriteOver 5;5;$A0;0
|
||||
DirtySpriteOver 5;5;$A0;2
|
||||
|
||||
tdc
|
||||
adc #320
|
||||
tcd
|
||||
|
||||
DirtySpriteLine 6,6,$00,0
|
||||
DirtySpriteLine 6,6,$00,2
|
||||
DirtySpriteLine 7,7,$A0,0
|
||||
DirtySpriteLine 7,7,$A0,2
|
||||
DirtySpriteOver 6;6;$00;0
|
||||
DirtySpriteOver 6;6;$00;2
|
||||
DirtySpriteOver 7;7;$A0;0
|
||||
DirtySpriteOver 7;7;$A0;2
|
||||
|
||||
_R0W0
|
||||
|
||||
|
|
@ -119,7 +168,7 @@ OneSpriteDirtyA
|
|||
pld
|
||||
rts
|
||||
|
||||
OneSpriteDirtyV
|
||||
OneSpriteDirtyUnderA
|
||||
ldy TileStore+TS_TILE_ADDR,x
|
||||
lda TileStore+TS_SCREEN_ADDR,x
|
||||
ldx sprite_ptr0
|
||||
|
|
@ -133,37 +182,144 @@ OneSpriteDirtyV
|
|||
|
||||
_R0W1
|
||||
|
||||
DirtySpriteLine 7,0,$00,0
|
||||
DirtySpriteLine 7,0,$00,2
|
||||
DirtySpriteLine 6,1,$A0,0
|
||||
DirtySpriteLine 6,1,$A0,2
|
||||
DirtySpriteUnder 0;0;$00;0
|
||||
DirtySpriteUnder 0;0;$00;2
|
||||
DirtySpriteUnder 1;1;$A0;0
|
||||
DirtySpriteUnder 1;1;$A0;2
|
||||
|
||||
tdc
|
||||
adc #320
|
||||
tcd
|
||||
|
||||
DirtySpriteLine 5,2,$00,0
|
||||
DirtySpriteLine 5,2,$00,2
|
||||
DirtySpriteLine 4,3,$A0,0
|
||||
DirtySpriteLine 4,3,$A0,2
|
||||
DirtySpriteUnder 2;2;$00;0
|
||||
DirtySpriteUnder 2;2;$00;2
|
||||
DirtySpriteUnder 3;3;$A0;0
|
||||
DirtySpriteUnder 3;3;$A0;2
|
||||
|
||||
tdc
|
||||
adc #320
|
||||
tcd
|
||||
|
||||
DirtySpriteLine 3,4,$00,0
|
||||
DirtySpriteLine 3,4,$00,2
|
||||
DirtySpriteLine 2,5,$A0,0
|
||||
DirtySpriteLine 2,5,$A0,2
|
||||
DirtySpriteUnder 4;4;$00;0
|
||||
DirtySpriteUnder 4;4;$00;2
|
||||
DirtySpriteUnder 5;5;$A0;0
|
||||
DirtySpriteUnder 5;5;$A0;2
|
||||
|
||||
tdc
|
||||
adc #320
|
||||
tcd
|
||||
|
||||
DirtySpriteLine 1,6,$00,0
|
||||
DirtySpriteLine 1,6,$00,2
|
||||
DirtySpriteLine 0,7,$A0,0
|
||||
DirtySpriteLine 0,7,$A0,2
|
||||
DirtySpriteUnder 6;6;$00;0
|
||||
DirtySpriteUnder 6;6;$00;2
|
||||
DirtySpriteOver 7;7;$A0;0
|
||||
DirtySpriteUnder 7;7;$A0;2
|
||||
|
||||
_R0W0
|
||||
|
||||
cli
|
||||
plb
|
||||
pld
|
||||
rts
|
||||
|
||||
OneSpriteDirtyOverV
|
||||
ldy TileStore+TS_TILE_ADDR,x
|
||||
lda TileStore+TS_SCREEN_ADDR,x
|
||||
ldx sprite_ptr0
|
||||
|
||||
phd
|
||||
pei DP2_TILEDATA_AND_TILESTORE_BANKS
|
||||
plb
|
||||
sei
|
||||
clc
|
||||
tcd
|
||||
|
||||
_R0W1
|
||||
|
||||
DirtySpriteOver 7;0;$00;0
|
||||
DirtySpriteOver 7;0;$00;2
|
||||
DirtySpriteOver 6;1;$A0;0
|
||||
DirtySpriteOver 6;1;$A0;2
|
||||
|
||||
tdc
|
||||
adc #320
|
||||
tcd
|
||||
|
||||
DirtySpriteOver 5;2;$00;0
|
||||
DirtySpriteOver 5;2;$00;2
|
||||
DirtySpriteOver 4;3;$A0;0
|
||||
DirtySpriteOver 4;3;$A0;2
|
||||
|
||||
tdc
|
||||
adc #320
|
||||
tcd
|
||||
|
||||
DirtySpriteOver 3;4;$00;0
|
||||
DirtySpriteOver 3;4;$00;2
|
||||
DirtySpriteOver 2;5;$A0;0
|
||||
DirtySpriteOver 2;5;$A0;2
|
||||
|
||||
tdc
|
||||
adc #320
|
||||
tcd
|
||||
|
||||
DirtySpriteOver 1;6;$00;0
|
||||
DirtySpriteOver 1;6;$00;2
|
||||
DirtySpriteOver 0;7;$A0;0
|
||||
DirtySpriteOver 0;7;$A0;2
|
||||
|
||||
_R0W0
|
||||
|
||||
cli
|
||||
plb
|
||||
pld
|
||||
rts
|
||||
|
||||
|
||||
OneSpriteDirtyUnderV
|
||||
ldy TileStore+TS_TILE_ADDR,x
|
||||
lda TileStore+TS_SCREEN_ADDR,x
|
||||
ldx sprite_ptr0
|
||||
|
||||
phd
|
||||
pei DP2_TILEDATA_AND_TILESTORE_BANKS
|
||||
plb
|
||||
sei
|
||||
clc
|
||||
tcd
|
||||
|
||||
_R0W1
|
||||
|
||||
DirtySpriteUnder 7;0;$00;0
|
||||
DirtySpriteUnder 7;0;$00;2
|
||||
DirtySpriteUnder 6;1;$A0;0
|
||||
DirtySpriteUnder 6;1;$A0;2
|
||||
|
||||
tdc
|
||||
adc #320
|
||||
tcd
|
||||
|
||||
DirtySpriteUnder 5;2;$00;0
|
||||
DirtySpriteUnder 5;2;$00;2
|
||||
DirtySpriteUnder 4;3;$A0;0
|
||||
DirtySpriteUnder 4;3;$A0;2
|
||||
|
||||
tdc
|
||||
adc #320
|
||||
tcd
|
||||
|
||||
DirtySpriteUnder 3;4;$00;0
|
||||
DirtySpriteUnder 3;4;$00;2
|
||||
DirtySpriteUnder 2;5;$A0;0
|
||||
DirtySpriteUnder 2;5;$A0;2
|
||||
|
||||
tdc
|
||||
adc #320
|
||||
tcd
|
||||
|
||||
DirtySpriteUnder 1;6;$00;0
|
||||
DirtySpriteUnder 1;6;$00;2
|
||||
DirtySpriteUnder 0;7;$A0;0
|
||||
DirtySpriteUnder 0;7;$A0;2
|
||||
|
||||
_R0W0
|
||||
|
||||
|
|
@ -173,7 +329,7 @@ OneSpriteDirtyV
|
|||
rts
|
||||
|
||||
; Generic routine for multiple sprites -- expect sprites to be in tmp_sprite_data and tmp_sprite_mask
|
||||
SpriteDirtyA
|
||||
SpriteOverADirty
|
||||
ldy TileStore+TS_SCREEN_ADDR,x
|
||||
lda TileStore+TS_TILE_ADDR,x
|
||||
tax
|
||||
|
|
@ -184,13 +340,13 @@ SpriteDirtyA
|
|||
]line equ 0
|
||||
lup 8
|
||||
ldal tiledata+{]line*TILE_DATA_SPAN}+0,x
|
||||
andl tmp_sprite_mask+{]line*4}+0
|
||||
oral tmp_sprite_data+{]line*4}+0
|
||||
and tmp_sprite_mask+{]line*4}+0
|
||||
ora tmp_sprite_data+{]line*4}+0
|
||||
sta: {]line*SHR_LINE_WIDTH}+0,y
|
||||
|
||||
ldal tiledata+{]line*TILE_DATA_SPAN}+2,x
|
||||
andl tmp_sprite_mask+{]line*4}+2
|
||||
oral tmp_sprite_data+{]line*4}+2
|
||||
and tmp_sprite_mask+{]line*4}+2
|
||||
ora tmp_sprite_data+{]line*4}+2
|
||||
sta: {]line*SHR_LINE_WIDTH}+2,y
|
||||
]line equ ]line+1
|
||||
--^
|
||||
|
|
@ -198,7 +354,32 @@ SpriteDirtyA
|
|||
plb
|
||||
rts
|
||||
|
||||
SpriteDirtyV
|
||||
SpriteUnderADirty
|
||||
ldy TileStore+TS_SCREEN_ADDR,x
|
||||
lda TileStore+TS_TILE_ADDR,x
|
||||
tax
|
||||
|
||||
pei DP2_TILEDATA_AND_TILESTORE_BANKS
|
||||
plb
|
||||
|
||||
]line equ 0
|
||||
lup 8
|
||||
lda tmp_sprite_data+{]line*4}+0
|
||||
andl tiledata+{]line*TILE_DATA_SPAN}+32,x
|
||||
oral tiledata+{]line*TILE_DATA_SPAN}+0,x
|
||||
sta: {]line*SHR_LINE_WIDTH}+0,y
|
||||
|
||||
lda tmp_sprite_data+{]line*4}+2
|
||||
andl tiledata+{]line*TILE_DATA_SPAN}+32+2,x
|
||||
oral tiledata+{]line*TILE_DATA_SPAN}+2,x
|
||||
sta: {]line*SHR_LINE_WIDTH}+2,y
|
||||
]line equ ]line+1
|
||||
--^
|
||||
|
||||
plb
|
||||
rts
|
||||
|
||||
SpriteOverVDirty
|
||||
ldy TileStore+TS_SCREEN_ADDR,x
|
||||
lda TileStore+TS_TILE_ADDR,x
|
||||
tax
|
||||
|
|
@ -210,17 +391,46 @@ SpriteDirtyV
|
|||
]dest equ 0
|
||||
lup 8
|
||||
ldal tiledata+{]src*TILE_DATA_SPAN}+0,x
|
||||
andl tmp_sprite_mask+{]dest*4}+0
|
||||
oral tmp_sprite_data+{]dest*4}+0
|
||||
and tmp_sprite_mask+{]dest*4}+0
|
||||
ora tmp_sprite_data+{]dest*4}+0
|
||||
sta: {]dest*SHR_LINE_WIDTH}+0,y
|
||||
|
||||
ldal tiledata+{]src*TILE_DATA_SPAN}+2,x
|
||||
andl tmp_sprite_mask+{]dest*4}+2
|
||||
oral tmp_sprite_data+{]dest*4}+2
|
||||
and tmp_sprite_mask+{]dest*4}+2
|
||||
ora tmp_sprite_data+{]dest*4}+2
|
||||
sta: {]dest*SHR_LINE_WIDTH}+2,y
|
||||
]src equ ]src-1
|
||||
]dest equ ]dest+1
|
||||
--^
|
||||
|
||||
plb
|
||||
rts
|
||||
|
||||
SpriteUnderVDirty
|
||||
ldy TileStore+TS_SCREEN_ADDR,x
|
||||
lda TileStore+TS_TILE_ADDR,x
|
||||
tax
|
||||
|
||||
pei DP2_TILEDATA_AND_TILESTORE_BANKS
|
||||
plb
|
||||
|
||||
]src equ 7
|
||||
]dest equ 0
|
||||
lup 8
|
||||
|
||||
lda tmp_sprite_data+{]dest*4}+0
|
||||
andl tiledata+{]src*TILE_DATA_SPAN}+32,x
|
||||
oral tiledata+{]src*TILE_DATA_SPAN}+0,x
|
||||
sta: {]dest*SHR_LINE_WIDTH}+0,y
|
||||
|
||||
lda tmp_sprite_data+{]dest*4}+2
|
||||
andl tiledata+{]src*TILE_DATA_SPAN}+32+2,x
|
||||
oral tiledata+{]src*TILE_DATA_SPAN}+2,x
|
||||
sta: {]dest*SHR_LINE_WIDTH}+2,y
|
||||
|
||||
]src equ ]src-1
|
||||
]dest equ ]dest+1
|
||||
--^
|
||||
|
||||
plb
|
||||
rts
|
||||
Loading…
Reference in New Issue