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CU Amiga Super CD-ROM 27
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CU Amiga Magazine's Super CD-ROM 27 (1998)(EMAP Images)(GB)[!][issue 1998-10].iso
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CUCD
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Programming
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BlitzC2P
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c2p040only.ascii
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1998-08-01
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7KB
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436 lines
WBStartup
NoCli
; CLEARSCREEN version. Additional code by Paul West.
; Non-clearscreen results:
; 040/25 results:
; 320x200 @49.65fps DoublePAL or 55.3fps PAL
; 320x256 @36.2fps DoublePAL or 42.5fps PAL
; 320x240 @39.5fps DoublePAL or 45.5fps PAL
; 060/50 results:
; 320x256 @50fps PAL
; 320x200 @66.1fps PAL
#c2pBPLX=320
#c2pBPLY=256
#c2pBPLSIZE=(#c2pBPLX*#c2pBPLY)/8
#scrwidth=#c2pBPLX
#scrheight=#c2pBPLY
#screensize=#scrwidth*#scrheight
#clearscreento=$00000000
; c2p1x1_8_c5_040
; 110% on 040-25
Statement c2p040onlyinit{A.l,B.l}
;A.l=d0=Width.w
;B.l=d1=Height.w
; d0.w chunkyx [chunky-pixels]
; d1.w chunkyy [chunky-pixels]
; d3.w scroffsy [screen-pixels]
c2p1x1_8_c5_040_init
LEA c2p_datanew(pc),a0
ANDI.l #$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}
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
.blitzprogram
; Setup
InitBank 0,(#scrwidth*#scrheight)+1000,2|65536 ; Chipram planar buffer
CludgeBitMap 0,#scrwidth,#scrheight,8,Bank(0)
InitPalette 0,256
For c=0 To 255
AGAPalRGB 0,c,Rnd(c),Rnd(c),Rnd(c)
Next c
AGAPalRGB 0,0,0,0,0
Screen 0,0,0,#scrwidth,#scrheight,8,0,"c2p test",0,0,0
Use Palette 0
VWait 50
baseaddress1.l=AllocMem(#scrwidth*#scrheight,$10000) ; Fastram chunky buffer
; Put something into the chunky buffer so we can see it working
GetReg a0,baseaddress1
MOVE.l #0,d0
MOVE.l #screensize-1,d1
cloop
MOVE.b d0,(a0)+
ADDQ.l #1,d0
SUBQ.l #1,d1
TST.l d1
BLT done
BRA cloop
done
; Do the c2p test
c2p040onlyinit{#scrwidth,#scrheight}
VWait 20
Forbid_
VWait
ResetTimer
For time=1 To 800
c2p040only{baseaddress1,Bank(0)} ; Convert chunky to planar
Next time
t=Ticks
VWait 2 : Permit_
VWait 20
FindScreen 0
Window 0,0,11,640,100,0,"Test results for c2p",0,0
WindowOutput 0
NPrint "Routine performed @ ",50/(t/800),"fps - ",t," ticks"
NPrint " "
NPrint "Press mousebutton..."
Free Screen 0
MouseWait
Free Window 0
End