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Amiga Format CD 32
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Amiga Format AFCD32 (Nov 1998, Issue 117).iso
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-seriously_amiga-
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programming
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basic
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blitzc2p
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demoa040.ascii
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1998-08-10
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12KB
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653 lines
WBStartup
NoCli
#c2pBPLX=320 ; chunky operation width
#c2pBPLY=240 ; chunky operation height
#planeheight=240 ; planar display height, must not be smaller than c2pBPLY
#c2pBPLSIZE=(#c2pBPLX*#planeheight)/8
#scrwidth=#c2pBPLX
#scrheight=#c2pBPLY
; DoublePAL 320x200 results on 040/25 25fps including clearscreening c2p (which runs @45.5fps)
; unmasked ~6000 4x1
; masked ~5000 4x1
; unmasked 3300 4x4
; masked 2600 4x4
; unmasked 1600 8x8
; masked 1180 8x8
; unmasked 600 16x16
; masked 400 16x16
; unmasked 200 32x32
; masked 115 32x32
; unmasked 45 64x64
; masked 28 64x64
; unmasked 11 128x128
; masked 6.5 128x128
; PAL 320x200 as above
; unmasked 1660 8x8
; masked 1200 8x8
; ummasked 620 16x16
; masked 415 16x16
; unmasked 210 32x32
; masked 116 32x32
; ummasked 47 64x64
; masked 28 64x64
; PAL 320x240 as above at 25fps with c2p (@37fps)
; unmasked 2400 4x4
; masked 1950 4x4
; unmasked 1250 8x8
; masked 900 8x8
; unmasked 470 16x16
; masked 300 16x16
; unmasked 150 32x32
; masked 85 32x32
; unmasked 35 64x64
; masked 20 64x64
; unmasked 9 128x128
; masked 5 128x128
; Default is 320x240 with 900 8x8 masked shapes.
; Can be raised to 1000 8x8 masked shapes with hardcoded xloop
; Or raised further to nearly 1100 8x8 masked shapes with hardcoded xloop and yloop
#iterations=800
#objcount=85 ; number of objects (0=none)
#objmasking=1 ; Nonzero=masking
#objwidth=32 ; minimum of 8
#objheight=32 ; minimum of 1
#objlongwidth=#objwidth/4
#clearscreento=$00000000
; c2p1x1_8_c5_040
; 110% on 040-25
Statement c2p040onlyinit{A.l,B.l}
.c2p040onlyinit
;A.l=d0=Width.w
;B.l=d1=Height.w
; d0.w chunkyx [chunky-pixels]
; d1.w chunkyy [chunky-pixels]
; d3.w scroffsy [screen-pixels]
c2p1x1_8_c5_040_init
LEA c2p_datanew(pc),a0
ANDI.l #$ffff,d0
MULU.w d0,d3
LSR.l #3,d3
MOVE.l d3,c2p_scroffs-c2p_data(a0)
MULU.w d0,d1
MOVE.l d1,c2p_pixels-c2p_data(a0)
AsmExit
End Statement
Statement c2p040only{A.l,B.l}
.c2p040only
MOVE.l d0,a0 ; Chunky
MOVE.l d1,a1 ; Planar
; a0 c2pscreen
; a1 bitplanes
c2p1x1_8_c5_040
MOVEM.l a3-a6,-(a7)
MOVEM.l a0-a1,-(a7)
LEA c2p_datanew,a0
LEA c2p_data,a1
MOVEQ #16-1,d0
_c2pcopy: MOVE.l (a0)+,(a1)+
DBF d0,_c2pcopy
MOVEM.l (a7)+,a0-a1
MOVE.l a7,stackstore
MOVE.l #clearscreento,a7
LEA c2p_data(pc),a2
MOVE.l c2p_pixels-c2p_data(a2),a3
ADD.l a0,a3
ADD.w #c2pBPLSIZE,a1
ADD.l c2p_scroffs-c2p_data(a2),a1
MOVE.l a1,a2
ADD.l #c2pBPLSIZE*4,a2
MOVE.l (a0),d0
MOVE.l a7,(a0)+
MOVE.l (a0),d1
MOVE.l a7,(a0)+
MOVE.l (a0),d2
MOVE.l a7,(a0)+
MOVE.l (a0),d3
MOVE.l a7,(a0)+
MOVE.l (a0),d4
MOVE.l a7,(a0)+
MOVE.l (a0),d5
MOVE.l a7,(a0)+
MOVE.l d4,d7 ; Swap 16x4, part 1
MOVE.w d0,d4
SWAP d4
MOVE.w d4,d0
MOVE.w d7,d4
MOVE.l d5,d7
MOVE.w d1,d5
SWAP d5
MOVE.w d5,d1
MOVE.w d7,d5
MOVE.l d4,d7 ; Swap 2x4, part 1
LSR.l #2,d7
EOR.l d0,d7
AND.l #$33333333,d7
EOR.l d7,d0
LSL.l #2,d7
EOR.l d7,d4
MOVE.l d5,d7
LSR.l #2,d7
EOR.l d1,d7
AND.l #$33333333,d7
EOR.l d7,d1
LSL.l #2,d7
EOR.l d7,d5
MOVE.l (a0),a5
MOVE.l a7,(a0)+
MOVE.l (a0),a6
MOVE.l a7,(a0)+
EXG d4,a5
EXG d5,a6
MOVE.l d4,d7 ; Swap 16x4, part 2
MOVE.w d2,d4
SWAP d4
MOVE.w d4,d2
MOVE.w d7,d4
MOVE.l d5,d7
MOVE.w d3,d5
SWAP d5
MOVE.w d5,d3
MOVE.w d7,d5
MOVE.l d4,d7 ; Swap 2x4, part 2
LSR.l #2,d7
EOR.l d2,d7
AND.l #$33333333,d7
EOR.l d7,d2
LSL.l #2,d7
EOR.l d7,d4
MOVE.l d5,d7
LSR.l #2,d7
EOR.l d3,d7
AND.l #$33333333,d7
EOR.l d7,d3
LSL.l #2,d7
EOR.l d7,d5
MOVE.l d1,d7 ; Swap 4x1
LSR.l #4,d7
EOR.l d0,d7
AND.l #$0f0f0f0f,d7
EOR.l d7,d0
LSL.l #4,d7
EOR.l d7,d1
MOVE.l d3,d7
LSR.l #4,d7
EOR.l d2,d7
AND.l #$0f0f0f0f,d7
EOR.l d7,d2
LSL.l #4,d7
EOR.l d7,d3
BRA _start
_x
MOVE.l (a0),d0
MOVE.l a7,(a0)+
MOVE.l (a0),d1
MOVE.l a7,(a0)+
MOVE.l (a0),d2
MOVE.l a7,(a0)+
MOVE.l (a0),d3
MOVE.l a7,(a0)+
MOVE.l (a0),d4
MOVE.l a7,(a0)+
MOVE.l (a0),d5
MOVE.l a7,(a0)+
MOVE.l a6,-c2pBPLSIZE(a1)
MOVE.l d4,d7 ; Swap 16x4, part 1
MOVE.w d0,d4
SWAP d4
MOVE.w d4,d0
MOVE.w d7,d4
MOVE.l d5,d7
MOVE.w d1,d5
SWAP d5
MOVE.w d5,d1
MOVE.w d7,d5
MOVE.l d4,d7 ; Swap 2x4, part 1
LSR.l #2,d7
EOR.l d0,d7
AND.l #$33333333,d7
EOR.l d7,d0
LSL.l #2,d7
EOR.l d7,d4
MOVE.l d5,d7
LSR.l #2,d7
EOR.l d1,d7
AND.l #$33333333,d7
EOR.l d7,d1
LSL.l #2,d7
EOR.l d7,d5
MOVE.l (a0),d7
MOVE.l a7,(a0)+
MOVE.l (a0),a6
MOVE.l a7,(a0)+
MOVE.l a5,-c2pBPLSIZE(a2)
MOVE.l d7,a5
EXG d4,a5
EXG d5,a6
MOVE.l d4,d7 ; Swap 16x4, part 2
MOVE.w d2,d4
SWAP d4
MOVE.w d4,d2
MOVE.w d7,d4
MOVE.l d5,d7
MOVE.w d3,d5
SWAP d5
MOVE.w d5,d3
MOVE.w d7,d5
MOVE.l d4,d7 ; Swap 2x4, part 2
MOVE.l d6,(a2)+
LSR.l #2,d7
EOR.l d2,d7
AND.l #$33333333,d7
EOR.l d7,d2
LSL.l #2,d7
EOR.l d7,d4
MOVE.l d5,d7
LSR.l #2,d7
EOR.l d3,d7
AND.l #$33333333,d7
EOR.l d7,d3
LSL.l #2,d7
EOR.l d7,d5
MOVE.l d1,d7 ; Swap 4x1
LSR.l #4,d7
EOR.l d0,d7
MOVE.l a4,(a1)+
AND.l #$0f0f0f0f,d7
EOR.l d7,d0
LSL.l #4,d7
EOR.l d7,d1
MOVE.l d3,d7
LSR.l #4,d7
EOR.l d2,d7
AND.l #$0f0f0f0f,d7
EOR.l d7,d2
LSL.l #4,d7
EOR.l d7,d3
_start
MOVE.l d2,d7 ; Swap 8x2, part 1
LSR.l #8,d7
EOR.l d0,d7
AND.l #$00ff00ff,d7
EOR.l d7,d0
LSL.l #8,d7
EOR.l d7,d2
MOVE.l d2,d7
LSR.l #1,d7 ; Swap 1x2, part 1
EOR.l d0,d7
AND.l #$55555555,d7
EOR.l d7,d0
MOVE.l d0,c2pBPLSIZE*2(a2)
ADD.l d7,d7
EOR.l d7,d2
MOVE.l d3,d7 ; Swap 8x2, part 2
LSR.l #8,d7
EOR.l d1,d7
AND.l #$00ff00ff,d7
EOR.l d7,d1
LSL.l #8,d7
EOR.l d7,d3
MOVE.l d3,d7
LSR.l #1,d7 ; Swap 1x2, part 2
EOR.l d1,d7
AND.l #$55555555,d7
EOR.l d7,d1
MOVE.l d1,c2pBPLSIZE*2(a1)
ADD.l d7,d7
EOR.l d7,d3
MOVE.l d5,d7
LSR.l #4,d7
EOR.l d4,d7
AND.l #$0f0f0f0f,d7
EOR.l d7,d4
LSL.l #4,d7
EOR.l d7,d5
EXG d4,a5
EXG d5,a6
MOVE.l d5,d7
LSR.l #4,d7
EOR.l d4,d7
AND.l #$0f0f0f0f,d7
EOR.l d7,d4
LSL.l #4,d7
EOR.l d7,d5
MOVE.l a5,d0
MOVE.l a6,d1
MOVE.l d2,c2pBPLSIZE(a2)
MOVE.l d0,d7 ; Swap 8x2, part 3
LSR.l #8,d7
EOR.l d4,d7
AND.l #$00ff00ff,d7
EOR.l d7,d4
LSL.l #8,d7
EOR.l d7,d0
MOVE.l d0,d7
LSR.l #1,d7 ; Swap 1x2, part 3
EOR.l d4,d7
AND.l #$55555555,d7
EOR.l d7,d4
ADD.l d7,d7
EOR.l d7,d0
MOVE.l d1,d7 ; Swap 8x2, part 4
LSR.l #8,d7
MOVE.l d3,c2pBPLSIZE(a1)
EOR.l d5,d7
AND.l #$00ff00ff,d7
EOR.l d7,d5
LSL.l #8,d7
EOR.l d7,d1
MOVE.l d1,d7
LSR.l #1,d7 ; Swap 1x2, part 4
EOR.l d5,d7
AND.l #$55555555,d7
EOR.l d7,d5
ADD.l d7,d7
EOR.l d7,d1
MOVE.l d0,a5
MOVE.l d1,a6
MOVE.l d4,d6
MOVE.l d5,a4
CMP.l a0,a3
BNE _x
MOVE.l a6,-c2pBPLSIZE(a1)
MOVE.l a5,-c2pBPLSIZE(a2)
MOVE.l d6,(a2)+
MOVE.l a4,(a1)+
MOVE.l stackstore(pc),a7
MOVEM.l (a7)+,a3-a6
AsmExit
Even4
stackstore: Dc.l 0
c2p_data
c2p_scroffs: Dc.l 0
c2p_pixels: Dc.l 0
Ds.l 16
Even4
c2p_datanew
Ds.l 16
End Statement
Statement chunkyshape1{A.l,B.l,C.l,D.l}
.chunkyshape1
;any position masked with mask data and movement table
MOVEM.l a3-a6,-(a7)
MOVE.l #objcount-1,d7 ; object loop
MOVE.l d3,a3 ; base of table
MOVE.l d0,a4 ; store
MOVE.l d1,a5 ; store
MOVE.l d2,a6 ; store
objloop
MOVEQ.l #0,d3
MOVE.w (a3),d3
MOVEQ.l #0,d5
MOVEQ.l #0,d6
MOVE.w 4(a3),d5
MOVE.w 6(a3),d6
CMP.w #6,d3 ; x<6?
BLE xle
CMP.w #scrwidth-objwidth-6,d3
BLT xskip
xle
EXG.l d5,d6
xskip
EXT.l d5
ADD.l d5,d3
MOVE.w d3,(a3)
MOVE.w d5,4(a3)
MOVE.w d6,6(a3)
MOVEQ.l #0,d4
MOVE.w 2(a3),d4
MOVEQ.l #0,d5
MOVEQ.l #0,d6
MOVE.w 8(a3),d5
MOVE.w 10(a3),d6
CMP.w #6,d4 ; y<6?
BLE yle
CMP.w #scrheight-objheight-6,d4
BLT yskip
yle
EXG.l d5,d6
yskip
EXT.l d5
ADD.l d5,d4
MOVE.w d4,2(a3)
MOVE.w d5,8(a3)
MOVE.w d6,10(a3)
ADD.l #12,a3
MULU #scrwidth,d4
MOVE.l a4,a0 ; input
ADD.l d3,d4
MOVE.l a5,a2 ; mask
MOVE.l a6,d2
ADD.l d4,d2 ; output
MOVE.l d2,a1 ; output
MOVE.l #objheight-1,d2
MOVE.l #scrwidth-objwidth,d3
;Do masked blit
yloop
MOVEQ.l #objlongwidth-1,d4
xloop
MOVE.l (a2)+,d0
AND.l d0,(a1)
MOVE.l (a0)+,d1
OR.l d1,(a1)+
DBRA d4,xloop
ADD.l d3,a1
DBRA d2,yloop
DBRA d7,objloop
MOVEM.l (a7)+,a3-a6
AsmExit
End Statement
Statement chunkyshape2{A.l,B.l,C.l,D.l}
.chunkyshape2
;any position masked with mask data and movement table
;B.l is unused in this routine
MOVEM.l a3-a6,-(a7)
MOVE.l #objcount-1,d7 ; object loop
MOVE.l d3,a3 ; base of table
MOVE.l d0,a4 ; store
; MOVE.l d1,a5 ; store
MOVE.l d2,a6 ; store
objloop2
MOVEQ.l #0,d3
MOVE.w (a3),d3
MOVEQ.l #0,d5
MOVEQ.l #0,d6
MOVE.w 4(a3),d5
MOVE.w 6(a3),d6
CMP.w #6,d3 ; x<6?
BLE xle2
CMP.w #scrwidth-objwidth-6,d3
BLT xskip2
xle2
EXG.l d5,d6
xskip2
EXT.l d5
ADD.l d5,d3
MOVE.w d3,(a3)
MOVE.w d5,4(a3)
MOVE.w d6,6(a3)
MOVEQ.l #0,d4
MOVE.w 2(a3),d4
MOVEQ.l #0,d5
MOVEQ.l #0,d6
MOVE.w 8(a3),d5
MOVE.w 10(a3),d6
CMP.w #6,d4 ; y<6?
BLE yle2
CMP.w #scrheight-objheight-6,d4
BLT yskip2
yle2
EXG.l d5,d6
yskip2
EXT.l d5
ADD.l d5,d4
MOVE.w d4,2(a3)
MOVE.w d5,8(a3)
MOVE.w d6,10(a3)
ADD.l #12,a3
MULU #scrwidth,d4
MOVE.l a4,a0 ; input
ADD.l d3,d4
; MOVE.l a5,a2 ; mask
MOVE.l a6,d2
ADD.l d4,d2 ; output
MOVE.l d2,a1 ; output
MOVE.l #objheight-1,d2
MOVE.l #scrwidth-objwidth,d3
;Do unmasked blit
yloop2
MOVEQ.l #objlongwidth-1,d4
xloop2
MOVE.l (a0)+,(a1)+
DBRA d4,xloop2
ADD.l d3,a1
DBRA d2,yloop2
DBRA d7,objloop2
MOVEM.l (a7)+,a3-a6
AsmExit
End Statement
.blitzprogram
; Setup
InitBank 1,#scrwidth*#scrheight,$10000 ; Fastram chunky buffer
InitPalette 0,256
For c=1 To 255
AGAPalRGB 0,c,(c/2)+Rnd(128),(c/2)+Rnd(128),(c/2)+Rnd(128)
Next c
AGAPalRGB 0,0,0,0,0
VWait
InitBank 0,(#scrwidth*Max(#planeheight,#c2pBPLY))+1000,2|65536 ; Chipram planar buffer
CludgeBitMap 0,#scrwidth,Max(#planeheight,#c2pBPLY),8,Bank(0)
Screen 0,0,0,#scrwidth,Max(#planeheight,#c2pBPLY),8,0,"c2p test",0,0,0
Use Palette 0
VWait 50
; chunky shape
InitBank 2,#objwidth*#objheight,$10000 ; chunky shape
cstep.q=256/(#objwidth*#objheight)
c.q=0
For o.l=0 To (#objwidth*#objheight)-1
NPokeB Bank(2)+o,255-c
c+cstep
Next o
If #objmasking<>0
CacheClearU_
For o.l=0 To #objwidth*#objheight
p3.l=Bank(2)+Rnd(#objwidth*#objheight)-1
NPokeB p3,$00
Next o
EndIf
; chunky mask
InitBank 3,#objwidth*#objheight,$10000 ; chunky mask
For o.l=0 To (#objwidth*#objheight)-1
If NPeekB(Bank(2)+o)=0 Then NPokeB Bank(3)+o,$ff Else NPokeB Bank(3)+o,$0
Next o
; movement table
InitBank 5,#objcount*12,$10000 ; table
For o.l=0 To (#objcount-1)*12 Step 12
p1.w=6+Rnd(#scrwidth-#objwidth-14)
p2.w=6+Rnd(#scrheight-#objheight-14)
NPokeW Bank(5)+o,p1
NPokeW Bank(5)+o+2,p2
Repeat:xmove.w=Rnd(3)-Rnd(6):Until xmove<>0
Repeat:ymove.w=Rnd(3)-Rnd(6):Until ymove<>0
NPokeW Bank(5)+o+4,xmove
NPokeW Bank(5)+o+6,-xmove
NPokeW Bank(5)+o+8,ymove
NPokeW Bank(5)+o+10,-ymove
Next o
; Do the c2p test
c2p040onlyinit{#scrwidth,#scrheight}
CacheClearU_
Forbid_
VWait
If #objmasking<>0
ResetTimer
For time=1 To #iterations
chunkyshape1{Bank(2),Bank(3),Bank(1),Bank(5)}
c2p040only{Bank(1),Bank(0)} ; Convert chunky to planar
Next time
t=Ticks
Else
ResetTimer
For time=1 To #iterations
chunkyshape2{Bank(2),Bank(3),Bank(1),Bank(5)}
c2p040only{Bank(1),Bank(0)} ; Convert chunky to planar
Next time
t=Ticks
EndIf
VWait 2 : Permit_
VWait 20
FindScreen 0
Window 0,0,11,640,100,0,"Test results for c2p",0,0
WindowOutput 0
per.f=1/(t/#iterations)
NPrint "Routine performed @ ",50/(t/#iterations),"fps - ",t," ticks - ",per," per frame"
NPrint " "
NPrint "Press mousebutton..."
Free Screen 0
MouseWait
Free Window 0
End