mirror of https://github.com/digarok/festro.git
merge fire code
This commit is contained in:
Dagen Brock
parent
a1fdd32e93
commit
54f8733eb6
672
festro.s
672
festro.s
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@ -21,6 +21,10 @@
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**************************************************
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srcPtr equz $00
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dstPtr equz $02
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** alternate mapping for fire averaging routine
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srcPtrL equz $02
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srcPtrR equz $04
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srcPtrD equz $06
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**************************************************
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@ -41,135 +45,71 @@ DemoSubroutineTable
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dw HandleProdrop
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dw HandleSwipeWrite
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dw HandleProdrop
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dw HandleFireState1
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dw P8Quit
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HandleFireState1
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sta LORES
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jsr CLRLORES
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:loop jsr FirePass
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bra :loop
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FirePass
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jsr MakeHeat
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jsr Scroll8
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jsr Average8
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jsr DrawBufFullScreen
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rts
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HandleSwipeWrite
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]initSwipe
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ldx #$23 ; reset line indexes
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:clearLoop stz _swipeLinesX,x ;
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dex
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bne :clearLoop
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stz _swipeActive ; reset overall index
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* @todo make parameters ******************************
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lda #FireTextHeight
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sta _swipeMaxHeight ; set max height
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lda #FireTextWidth
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sta _swipeMaxWidth ; set max width
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lda #5
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sta _swipeXOffset ; set x position
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lda #6
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sta _swipeYOffset ; set y position
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** DA LOOP!!! does one full pass of all lines.. this is the OUTERMOST LOOP
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:swipeLoop
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lda #1
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sta _swipeLinesDone ; set true... flips false every time we find a char
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lda _swipeMaxHeight ; increment active set - once per loop, up to max height
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cmp _swipeActive
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beq :swipeMaxHit
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inc _swipeActive
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:swipeMaxHit
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stz _swipeCurrLine ; start with line 0
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:swipeLineLoop
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lda _swipeCurrLine
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ldx _swipeMaxWidth
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jsr Multiply8x8 ; multiply bufferwidth * linenumber
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sta srcPtr
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stx srcPtr+1 ; store our multiplication offset
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clc
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adc #FireText ; and add the buffer location
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sta srcPtr
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lda srcPtr+1
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adc #>FireText
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sta srcPtr+1 ; srcPtr points to first character of that line in buffer
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lda _swipeCurrLine
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clc
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adc _swipeYOffset ; linenumber + y-offset
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asl ; x2 for pointer
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tax
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lda LoLineTable,x ; now convert to ZP pointer
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clc
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adc _swipeXOffset ; but also add our screen x-offset
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sta dstPtr
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bcc :noAdd
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lda LoLineTable+1,x ; rolled our low-byte so add 1 to high-byte
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inc
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bra :skip
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:noAdd lda LoLineTable+1,x
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:skip sta dstPtr+1 ; destptr points to first character of where this line is positioned on screen
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ldx _swipeCurrLine
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lda _swipeLinesX,x
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tay ; get current character index
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lda (srcPtr),y ; get char from buffer
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beq :lineIsDone ; was it #$00?
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sta (dstPtr),y ; store char to screen
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inc _swipeLinesX,x ; next char
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stz _swipeLinesDone ; found a char so we always set this false
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:lineIsDone
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inc _swipeCurrLine
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lda _swipeCurrLine
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cmp _swipeActive
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bne :swipeLineLoop
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lda #20
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tax
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tay
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jsr SimpleWait
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lda _swipeLinesDone
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beq :swipeLoop
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inc GDemoState
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jmp DemoMain
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* for (line =0 ; line < active ; line ++ ) {
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* sourceptr = bufferwidth * line
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* destPtr = ^lores[line+yoffset] + xoffset
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* ldy arrayX[line]
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* lda (sourceptr),y
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* if (a != 0)
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* sta (destptr),y
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* inc arrayX[line]
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* else
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* linesdone ++
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* }
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* if (linesdone == maxlines) return
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* else swipepassloop
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_swipeLinesDone db 0 ; how many lines are fully complete
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_swipeCurrLine db 0 ; drawing loop line index
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_swipeActive db 0 ; number of lines to be updating
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_swipeLinesX ds 24 ; array with x position of each line
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_swipeMaxHeight db #$0 ; set # lines in the source buffer
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_swipeMaxWidth db #0 ; set # characters per line in the source buffer
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_swipeXOffset db #$0 ; screen offset for placement
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_swipeYOffset db #$0 ; screen offset for placement
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FireTextHeight equ #12 ; buffer height
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FireTextWidth equ #34 ; buffer width
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**************************************************
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* Color look up table.
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* Fire values 0 through F get translated to these
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**************************************************
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ds \
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FireText asc " _______ ______ ",00
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asc " / ____(_)_______ / _/ /_ ",00
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asc " / /_ / / ___/ _ \ / // __/ ",00
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asc " / __/ / / / / __/ _/ // /_ ",00
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asc "/_/ /_/_/ \___/ /___/\__/ ",00
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asc " ",00
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asc " __ __ __ ",00
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asc " / / / /___ / / ",00
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asc " / / / / __ \/ / ",00
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asc " / /_/ / /_/ /_/ ",00
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asc " \____/ .___(_) ",00
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asc " /_/ ",00
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*ColorIdx ds 16 ; we copy the palettes below to here
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ColorIdx ; fake it for now
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; bottom / top color
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ColorIdxColor dfb #$00 ; BLK / BLK
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dfb #$22 ; D.BLU / D.BLU
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dfb #$55 ; D.GRY / D.GRY
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dfb #$55 ; D.GRY / D.GRY
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dfb #$12 ; RED / D.BLUE
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dfb #$18 ; RED / BROWN
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dfb #$98 ; ORNG / BROWN
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dfb #$99 ; ORNG / ORNG
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dfb #$b9 ; PINK / ORNG
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dfb #$Db ; YELO / PINK
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dfb #$DD ; YELO / YELO
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dfb #$DD ; YELO / YELO
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dfb #$FD ; WHITE / YELO
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dfb #$FF ; WHITE / WHITE
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dfb #$FF ; WHITE / WHITE
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dfb #$FF ; WHITE / WHITE
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ColorIdxMono
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dfb #$00 ; BLK / BLK
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dfb #$11 ; D.BLU / D.BLU
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dfb #$08 ; D.GRY / D.GRY
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dfb #$42 ; D.GRY / D.GRY
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dfb #$43 ; RED / D.BLUE
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dfb #$53 ; RED / BROWN
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dfb #$55 ; ORNG / BROWN
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dfb #$65 ; ORNG / ORNG
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dfb #$67 ; PINK / ORNG
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dfb #$97 ; YELO / PINK
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dfb #$F7 ; YELO / YELO
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dfb #$FD ; YELO / YELO
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dfb #$FF ; WHITE / YELO
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dfb #$FF ; WHITE / WHITE
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dfb #$FF ; WHITE / WHITE
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dfb #$FF ; WHITE / WHITE
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WIDTH equ #40
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HEIGHT equ #24
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ds \
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FBUF ds #WIDTH*#HEIGHT+#WIDTH ;extra line gets coals
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FBUFLEN equ #WIDTH*#HEIGHT
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LASTLINE equ #WIDTH*#HEIGHT-#WIDTH+FBUF
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**************************************************
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@ -409,6 +349,130 @@ _prodropState db 0 ; starts with 0, which is scan mode
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HandleSwipeWrite
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]initSwipe
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ldx #$23 ; reset line indexes
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:clearLoop stz _swipeLinesX,x ;
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dex
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bne :clearLoop
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stz _swipeActive ; reset overall index
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* @todo make parameters ******************************
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lda #FireTextHeight
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sta _swipeMaxHeight ; set max height
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lda #FireTextWidth
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sta _swipeMaxWidth ; set max width
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lda #5
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sta _swipeXOffset ; set x position
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lda #6
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sta _swipeYOffset ; set y position
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** DA LOOP!!! does one full pass of all lines.. this is the OUTERMOST LOOP
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:swipeLoop
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lda #1
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sta _swipeLinesDone ; set true... flips false every time we find a char
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lda _swipeMaxHeight ; increment active set - once per loop, up to max height
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cmp _swipeActive
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beq :swipeMaxHit
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inc _swipeActive
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:swipeMaxHit
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stz _swipeCurrLine ; start with line 0
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:swipeLineLoop
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lda _swipeCurrLine
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ldx _swipeMaxWidth
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jsr Multiply8x8 ; multiply bufferwidth * linenumber
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sta srcPtr
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stx srcPtr+1 ; store our multiplication offset
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clc
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adc #FireText ; and add the buffer location
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sta srcPtr
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lda srcPtr+1
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adc #>FireText
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sta srcPtr+1 ; srcPtr points to first character of that line in buffer
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lda _swipeCurrLine
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clc
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adc _swipeYOffset ; linenumber + y-offset
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asl ; x2 for pointer
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tax
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lda LoLineTable,x ; now convert to ZP pointer
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clc
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adc _swipeXOffset ; but also add our screen x-offset
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sta dstPtr
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bcc :noAdd
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lda LoLineTable+1,x ; rolled our low-byte so add 1 to high-byte
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inc
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bra :skip
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:noAdd lda LoLineTable+1,x
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:skip sta dstPtr+1 ; destptr points to first character of where this line is positioned on screen
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ldx _swipeCurrLine
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lda _swipeLinesX,x
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tay ; get current character index
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lda (srcPtr),y ; get char from buffer
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beq :lineIsDone ; was it #$00?
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sta (dstPtr),y ; store char to screen
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inc _swipeLinesX,x ; next char
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stz _swipeLinesDone ; found a char so we always set this false
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:lineIsDone
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inc _swipeCurrLine
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lda _swipeCurrLine
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cmp _swipeActive
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bne :swipeLineLoop
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lda #20
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tax
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tay
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jsr SimpleWait
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lda _swipeLinesDone
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beq :swipeLoop
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inc GDemoState
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jmp DemoMain
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* for (line =0 ; line < active ; line ++ ) {
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* sourceptr = bufferwidth * line
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* destPtr = ^lores[line+yoffset] + xoffset
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* ldy arrayX[line]
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* lda (sourceptr),y
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* if (a != 0)
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* sta (destptr),y
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* inc arrayX[line]
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* else
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* linesdone ++
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* }
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* if (linesdone == maxlines) return
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* else swipepassloop
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_swipeLinesDone db 0 ; how many lines are fully complete
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_swipeCurrLine db 0 ; drawing loop line index
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_swipeActive db 0 ; number of lines to be updating
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_swipeLinesX ds 24 ; array with x position of each line
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_swipeMaxHeight db #$0 ; set # lines in the source buffer
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_swipeMaxWidth db #0 ; set # characters per line in the source buffer
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_swipeXOffset db #$0 ; screen offset for placement
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_swipeYOffset db #$0 ; screen offset for placement
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FireTextHeight equ #12 ; buffer height
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FireTextWidth equ #34 ; buffer width
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ds \
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FireText asc " _______ ______ ",00
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asc " / ____(_)_______ / _/ /_ ",00
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asc " / /_ / / ___/ _ \ / // __/ ",00
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asc " / __/ / / / / __/ _/ // /_ ",00
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asc "/_/ /_/_/ \___/ /___/\__/ ",00
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asc " ",00
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asc " __ __ __ ",00
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asc " / / / /___ / / ",00
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asc " / / / / __ \/ / ",00
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asc " / /_/ / /_/ /_/ ",00
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asc " \____/ .___(_) ",00
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asc " /_/ ",00
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**************************************************
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* Called by DemoMain
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@ -434,6 +498,8 @@ qparms dfb 4
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dfb 0
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da $0000
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**************************************************
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* Awesome PRNG thx to White Flame (aka David Holz)
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**************************************************
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@ -448,6 +514,368 @@ GetRand
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_randomByte db 0
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**************************************************
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* Awesome PRNG thx to White Flame (aka David Holz)
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**************************************************
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GetRandHot
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lda RND
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beq :doEor
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asl
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bcc :noEor
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:doEor eor #$1d
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:noEor sta RND
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cmp #$90 ; FIRE RATIO
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bcs :hot
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:not lda #$0f
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rts
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:hot lda #$00
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rts
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**************************************************
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* Very simple routine to lay down a line where
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* all values are either 0 (cold) or F (hot)
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**************************************************
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MakeHeat
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lda #0
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sta LASTLINE ;FORCE CORNERS BLACK
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sta LASTLINE+#39
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;EXTRA LINE
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sta LASTLINE+#WIDTH ;FORCE CORNERS BLACK
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sta LASTLINE+#WIDTH+#39
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ldx #WIDTH-2
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:mloop jsr GetRandHot
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sta LASTLINE,x
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jsr GetRandHot
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sta LASTLINE+#WIDTH,x
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dex
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bne :mloop
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rts
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**************************************************
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* Scrolls Fire buffer up one line
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**************************************************
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Scroll8
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*set source
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lda #FBUF+WIDTH
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sta srcPtr
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lda #>FBUF+WIDTH
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sta srcPtr+1
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*set destination
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lda #FBUF
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sta dstPtr
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lda #>FBUF
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sta dstPtr+1
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:movfwd ldy #0
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ldx #0
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cpx #>FBUFLEN-WIDTH
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beq :frag
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:page lda (srcPtr),y
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sta (dstPtr),y
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iny
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bne :page
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inc srcPtr+1
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inc dstPtr+1
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inx
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cpx #>FBUFLEN-WIDTH
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bne :page
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:frag cpy #FBUFLEN-WIDTH
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beq :doneCopy
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lda (srcPtr),y
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sta (dstPtr),y
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iny
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bne :frag
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:doneCopy rts
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**************************************************
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* Averaage Fire buffer - this is where the magic happens
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**************************************************
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Average8
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lda #FBUF ; pointer to pixel
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sta srcPtr
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lda #>FBUF
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sta srcPtr+1
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lda #FBUF-#1 ; pointer to pixel - 1
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sta srcPtrL
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lda #>FBUF-#1
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sta srcPtrL+1
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lda #FBUF+#1 ; pointer to pixel + 1
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sta srcPtrR
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lda #>FBUF+#1
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sta srcPtrR+1
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lda #FBUF+#WIDTH
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sta srcPtrD
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lda #>FBUF+#WIDTH
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sta srcPtrD+1
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ldx #0 ; lines
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:avgLine ldy #WIDTH-1
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:lineLoop
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clc
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lda (srcPtr),y ;0
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adc (srcPtrL),y ;-1
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adc (srcPtrR),y ;+1
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adc (srcPtrD),y ;1+width
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beq :skipDec ; all zeros then skip everything
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dec ; makes fire dissipate faster
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lsr
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lsr
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:skipDec sta (srcPtr),y ;0
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dey
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bne :lineLoop
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cpx #HEIGHT
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beq :doneLines
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inx ;next line
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;shift pointers up a "line"
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lda srcPtrD+1
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sta srcPtr+1
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sta srcPtrL+1 ;\_ also copy this for math below.. not sure
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sta srcPtrR+1 ;/ if it would just be better to add all pointers
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; or go back to two pointers with iny/dey
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lda srcPtrD
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sta srcPtr
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;left pixel
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cmp #0
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bne :noPage ;if A != 0 we aren't crossing pages
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brk
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dec
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sta srcPtrL
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dec srcPtrL+1
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bra :rightPixel
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:noPage dec
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sta srcPtrL
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:rightPixel lda srcPtr
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inc
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beq :zeroFlip ;0
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sta srcPtrR
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bra :bottomPixel
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:zeroFlip sta srcPtrR
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inc srcPtrR+1
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:bottomPixel ;add to bottom line pointer
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lda srcPtrD
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clc
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adc #WIDTH
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sta srcPtrD
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lda srcPtrD+1
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adc #0
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sta srcPtrD+1
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bra :avgLine
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:doneLines rts
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**************************************************
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* Draw entire buffer on screen
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**************************************************
|
||||
DrawBufFullScreen
|
||||
ldx #$0
|
||||
:loop0 ldy FBUF,x
|
||||
lda ColorIdx,y
|
||||
sta Lo01,x
|
||||
inx
|
||||
cpx #WIDTH
|
||||
bne :loop0
|
||||
|
||||
ldx #$0
|
||||
:loop1 ldy WIDTH*1+FBUF,x
|
||||
lda ColorIdx,y
|
||||
sta Lo02,x
|
||||
inx
|
||||
cpx #WIDTH
|
||||
bne :loop1
|
||||
|
||||
ldx #$0
|
||||
:loop2 ldy WIDTH*2+FBUF,x
|
||||
lda ColorIdx,y
|
||||
sta Lo03,x
|
||||
inx
|
||||
cpx #WIDTH
|
||||
bne :loop2
|
||||
|
||||
ldx #$0
|
||||
:loop3 ldy WIDTH*3+FBUF,x
|
||||
lda ColorIdx,y
|
||||
sta Lo04,x
|
||||
inx
|
||||
cpx #WIDTH
|
||||
bne :loop3
|
||||
|
||||
ldx #$0
|
||||
:loop4 ldy WIDTH*4+FBUF,x
|
||||
lda ColorIdx,y
|
||||
sta Lo05,x
|
||||
inx
|
||||
cpx #WIDTH
|
||||
bne :loop4
|
||||
|
||||
ldx #$0
|
||||
:loop5 ldy WIDTH*5+FBUF,x
|
||||
lda ColorIdx,y
|
||||
sta Lo06,x
|
||||
inx
|
||||
cpx #WIDTH
|
||||
bne :loop5
|
||||
|
||||
ldx #$0
|
||||
:loop6 ldy WIDTH*6+FBUF,x
|
||||
lda ColorIdx,y
|
||||
sta Lo07,x
|
||||
inx
|
||||
cpx #WIDTH
|
||||
bne :loop6
|
||||
|
||||
ldx #$0
|
||||
:loop7 ldy WIDTH*7+FBUF,x
|
||||
lda ColorIdx,y
|
||||
sta Lo08,x
|
||||
inx
|
||||
cpx #WIDTH
|
||||
bne :loop7
|
||||
|
||||
ldx #$0
|
||||
:loop8 ldy WIDTH*8+FBUF,x
|
||||
lda ColorIdx,y
|
||||
sta Lo09,x
|
||||
inx
|
||||
cpx #WIDTH
|
||||
bne :loop8
|
||||
|
||||
ldx #$0
|
||||
:loop9 ldy WIDTH*9+FBUF,x
|
||||
lda ColorIdx,y
|
||||
sta Lo10,x
|
||||
inx
|
||||
cpx #WIDTH
|
||||
bne :loop9
|
||||
|
||||
ldx #$0
|
||||
:loop10 ldy WIDTH*#10+FBUF,x
|
||||
lda ColorIdx,y
|
||||
sta Lo11,x
|
||||
inx
|
||||
cpx #WIDTH
|
||||
bne :loop10
|
||||
|
||||
ldx #$0
|
||||
:loop11 ldy WIDTH*#11+FBUF,x
|
||||
lda ColorIdx,y
|
||||
sta Lo12,x
|
||||
inx
|
||||
cpx #WIDTH
|
||||
bne :loop11
|
||||
|
||||
ldx #$0
|
||||
:loop12 ldy WIDTH*#12+FBUF,x
|
||||
lda ColorIdx,y
|
||||
sta Lo13,x
|
||||
inx
|
||||
cpx #WIDTH
|
||||
bne :loop12
|
||||
|
||||
ldx #$0
|
||||
:loop13 ldy WIDTH*#13+FBUF,x
|
||||
lda ColorIdx,y
|
||||
sta Lo14,x
|
||||
inx
|
||||
cpx #WIDTH
|
||||
bne :loop13
|
||||
|
||||
ldx #$0
|
||||
:loop14 ldy WIDTH*#14+FBUF,x
|
||||
lda ColorIdx,y
|
||||
sta Lo15,x
|
||||
inx
|
||||
cpx #WIDTH
|
||||
bne :loop14
|
||||
|
||||
ldx #$0
|
||||
:loop15 ldy WIDTH*#15+FBUF,x
|
||||
lda ColorIdx,y
|
||||
sta Lo16,x
|
||||
inx
|
||||
cpx #WIDTH
|
||||
bne :loop15
|
||||
|
||||
ldx #$0
|
||||
:loop16 ldy WIDTH*#16+FBUF,x
|
||||
lda ColorIdx,y
|
||||
sta Lo17,x
|
||||
inx
|
||||
cpx #WIDTH
|
||||
bne :loop16
|
||||
|
||||
ldx #$0
|
||||
:loop17 ldy WIDTH*#17+FBUF,x
|
||||
lda ColorIdx,y
|
||||
sta Lo18,x
|
||||
inx
|
||||
cpx #WIDTH
|
||||
bne :loop17
|
||||
|
||||
ldx #$0
|
||||
:loop18 ldy WIDTH*#18+FBUF,x
|
||||
lda ColorIdx,y
|
||||
sta Lo19,x
|
||||
inx
|
||||
cpx #WIDTH
|
||||
bne :loop18
|
||||
|
||||
ldx #$0
|
||||
:loop19 ldy WIDTH*#19+FBUF,x
|
||||
lda ColorIdx,y
|
||||
sta Lo20,x
|
||||
inx
|
||||
cpx #WIDTH
|
||||
bne :loop19
|
||||
|
||||
ldx #$0
|
||||
:loop20 ldy WIDTH*#20+FBUF,x
|
||||
lda ColorIdx,y
|
||||
sta Lo21,x
|
||||
inx
|
||||
cpx #WIDTH
|
||||
bne :loop20
|
||||
|
||||
ldx #$0
|
||||
:loop21 ldy WIDTH*#21+FBUF,x
|
||||
lda ColorIdx,y
|
||||
sta Lo22,x
|
||||
inx
|
||||
cpx #WIDTH
|
||||
bne :loop21
|
||||
|
||||
ldx #$0
|
||||
:loop22 ldy WIDTH*#22+FBUF,x
|
||||
lda ColorIdx,y
|
||||
sta Lo23,x
|
||||
inx
|
||||
cpx #WIDTH
|
||||
bne :loop22
|
||||
|
||||
ldx #$0
|
||||
:loop23 ldy WIDTH*#23+FBUF,x
|
||||
lda ColorIdx,y
|
||||
sta Lo24,x
|
||||
inx
|
||||
cpx #WIDTH
|
||||
bne :loop23
|
||||
rts
|
||||
|
||||
|
||||
**************************************************
|
||||
* SafeWait
|
||||
* -silly triple loop, preserves AXY
|
||||
|
|
|
|||
Loading…
Reference in New Issue