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- WBStartup
-
- DEFTYPE.w
- MCPU Processor
- Mc2pCPUmode Processor
-
- *ScrVP._ViewPort=0
- IsAGA.b=False
- Dim PlanarBuf.l(2) ; Base address of planar memory to output c2p to (allowed up to triple buffers)
-
- PrefDisplayID.l=$0 ; Default ModeID
- PrefDisplayWidth.w=320 ; Default Width
- PrefDisplayHeight.w=240 ; Default Height
- PrefDisplayBuffering.b=3 ; 1..3. 1=Singlebuffered, 2=Doublebuffered, 3=Triplebuffered
-
- SMRMinX=320 ; Minimum width
- SMRMinY=240 ; Minimum height
- SMRMaxX=640 ; Maximum width
- SMRMaxY=480 ; Maximum height
-
- #DTAG_DISP=$80000000
- #DTAG_DIMS=$80001000
- #DTAG_MNTR=$80002000
- #DTAG_NAME=$80003000
-
- NEWTYPE.SMode
- DID.l
- DWidth.l
- DHeight.l
- DDepth.w
- DType.w
- End NEWTYPE
-
- DEFTYPE.Hook myhook ; The hook for ASL tag as &myhook
- myhook\h_Entry=?hook
- MOVE.l a5,globalbase
- funcret.l=0
-
- Dim SMRtags.TagItem(17)
- SMRtags(0)\ti_Tag=#ASLSM_InitialLeftEdge,160 ; X coord of requester
- SMRtags(1)\ti_Tag=#ASLSM_InitialTopEdge,0 ; Y coord of requester
- SMRtags(2)\ti_Tag=#ASLSM_InitialWidth,300 ; Width of requester
- SMRtags(3)\ti_Tag=#ASLSM_InitialHeight,400 ; Height of requester
- SMRtags(4)\ti_Tag=#ASLSM_InitialDisplayID,$21000 ; Default ModeID (Pal:LowRes)
- SMRtags(5)\ti_Tag=#ASLSM_InitialDisplayDepth,8 ; Default depth (8-bit usually)
- SMRtags(6)\ti_Tag=#ASLSM_InitialDisplayWidth,PrefDisplayWidth
- SMRtags(7)\ti_Tag=#ASLSM_InitialDisplayHeight,PrefDisplayHeight
- SMRtags(8)\ti_Tag=#ASLSM_InitialOverscanType,1 ; Default overscan type (Text)
- SMRtags(9)\ti_Tag=#ASLSM_InitialInfoOpened,1 ; Info window?
- SMRtags(10)\ti_Tag=#ASLSM_InitialInfoLeftEdge,350 ; X coord of info window
- SMRtags(11)\ti_Tag=#ASLSM_InitialInfoTopEdge,50 ; Y coord of info window
- SMRtags(12)\ti_Tag=#ASLSM_DoDepth,0 ; Depth gadget? (Generally NO for chunky 8-bit)
- SMRtags(13)\ti_Tag=#ASLSM_DoOverscanType,1 ; Overscan gadget?
- SMRtags(14)\ti_Tag=#ASLSM_DoWidth,1 ; Width gadget?
- SMRtags(15)\ti_Tag=#ASLSM_DoHeight,1 ; Height gadget?
- SMRtags(16)\ti_Tag=#ASLSM_FilterFunc,&myhook ; Address of callback hook routine
- SMRtags(17)\ti_Tag=#TAG_DONE,0
-
- *sreq.SMode=0
- *sreq=AllocAslRequest_(2,&SMRtags(0)\ti_Tag)
- ok.b=AslRequest_(*sreq,&SMRtags(0)\ti_Tag)
-
- If ok<>0
- PrefDisplayID.l=*sreq\DID
- PrefDisplayWidth.w=*sreq\DWidth
- PrefDisplayHeight.w=*sreq\DHeight
- EndIf
- If (*sreq) Then FreeAslRequest_(*sreq)
-
- Goto PrefsSkip
-
- ;*************************************************************************
- ; This is the statement that the hook will call. Put the label before
- ; the statement you want to jump to.
- Runerrsoff
- .hook_jump:
- Statement hook{*dahook.Hook, modeID.l, *smr.ScreenModeRequester}
- ; We're inside the hook, and supposedly we should be able to do whatever
- ; we want.
- ; Filter modeID's here
- SHARED funcret.l,SMRMinX,SMRMinY,SMRMaxX,SMRMaxY
- DEFTYPE.DisplayInfo DisInfoBuf
- DEFTYPE.DimensionInfo DimInfoBuf
- DEFTYPE.MonitorInfo MonInfoBuf
- DEFTYPE.NameInfo NamInfoBuf
- ;Refer to Includes/Graphics/DisplayInfo.h or view newtypes
- IDhandle.l=FindDisplayInfo_(modeID)
- GetDisplayInfoData_ IDhandle,&DisInfoBuf,SizeOf.DisplayInfo,#DTAG_DISP,0
- GetDisplayInfoData_ IDhandle,&DimInfoBuf,SizeOf.DimensionInfo,#DTAG_DIMS,0
- GetDisplayInfoData_ IDhandle,&MonInfoBuf,SizeOf.MonitorInfo,#DTAG_MNTR,0
- GetDisplayInfoData_ IDhandle,&NamInfoBuf,SizeOf.NameInfo,#DTAG_NAME,0
- ;Do tests. True=Mode is valid, False=mode is invalid.
- ;See newtypes for DisplayInfo,DimensionInfo,MonitorInfo and NameInfo for things to further test
- If DimInfoBuf\MaxDepth<>8
- ;No true-colour modes, only 8-bit
- funcret=False
- Else
- funcret=True
- EndIf
- End Statement
-
- ;**********************
- ; Hook
- Macro goto_hook
- JSR `1+6
- End Macro
-
- globalbase: Dc.l 0
-
- hook: ;This hook is called by the filter hook callback from screenmode requester, per item
- ; Store registers
- MOVEM.l d1-d7/a0-a6,-(a7) ; Not d0!
-
- ; Put parameters into dregs ready for a statement
- MOVE.l a0,d0
- MOVE.l a1,d1
- MOVE.l a2,d2
-
- ; Get global variable base
- MOVE.l globalbase,a5
-
- ; Goto hook statement
- !goto_hook{hook_jump}
-
- GetReg d0,funcret ; return accept/discard
-
- ; Restore registers
- MOVEM.l (a7)+,d1-d7/a0-a6 ; Not d0!
-
- RTS
- ;**********************
-
- Runerrson
- PrefsSkip
-
- Function.b InitDisplay{Title$}
- ;Creates a display for AGA or Graphics-Card output
- ;Title$=The screen title (not displayed)
- SHARED PrefDisplayWidth.w,PrefDisplayHeight.w,PrefDisplayBuffering.b
- SHARED *ScrVP._ViewPort,PrefDisplayID.l,IsAGA.b,PlanarBuf()
- ;Open a test screen first to a) test for AGA or GFX-Card, and b) because the dimensions might be
- ;too large to open a chipram screen, and the dimensions for AGA have not yet been reduced to within limits
- Dim ScrTags.TagItem(13)
- Rect.Rectangle\MinX=0,0,320,240 ; For test
- ScrTags(0)\ti_Tag=#SA_Width,320 ; For test
- ScrTags(1)\ti_Tag=#SA_Height,240; For test
- ScrTags(2)\ti_Tag=#SA_Depth,8
- ScrTags(3)\ti_Tag=#SA_DisplayID,PrefDisplayID
- ScrTags(4)\ti_Tag=#SA_Type,$F
- ScrTags(5)\ti_Tag=#SA_Quiet,True
- ScrTags(6)\ti_Tag=#SA_ShowTitle,False
- ScrTags(7)\ti_Tag=#SA_Behind,True
- ScrTags(8)\ti_Tag=#SA_DClip,&Rect ; For test
- ScrTags(9)\ti_Tag=#SA_Exclusive,False
- ScrTags(10)\ti_Tag=#SA_Draggable,True
- ScrTags(11)\ti_Tag=#SA_AutoScroll,False
- ScrTags(12)\ti_Tag=#TAG_DONE,0
- ScrTags(13)\ti_Tag=#TAG_DONE,0
- UsedChip.l=((320 LSR 3)*240)*8 ; With test params (depth 8)
- FreeChip.l=AvailMem_(#MEMF_CHIP)
- Forbid_
- If ScreenTags(0,Title$,&ScrTags(0))<>0 ; Test for GFX-Card or AGA
- NowChip.l=AvailMem_(#MEMF_CHIP)
- Permit_
- If FreeChip-NowChip<UsedChip
- ; Graphics card screen
- IsAGA=False
- PrefDisplayWidth AND $FFF0 ; For gfx-cards, width to nearest 16
- ScrTags(0)\ti_Tag=#SA_Width,PrefDisplayWidth
- Rect.Rectangle\MinX=0,0,PrefDisplayWidth,PrefDisplayHeight
- ScrTags(1)\ti_Tag=#SA_Height,PrefDisplayHeight*PrefDisplayBuffering
- ScrTags(8)\ti_Tag=#SA_DClip,&Rect
- VWait 5 ; seems to be necessary (safer)
- Free Screen 0
- VWait 5
- If ScreenTags(0,Title$,&ScrTags(0))<>0
- For Loop.w=0 To PrefDisplayBuffering-1
- If Loop=0 Then WFlags.l=$1900 Else WFlags.l=$800
- If Window(Loop,0,PrefDisplayHeight*Loop,PrefDisplayWidth,PrefDisplayHeight,WFlags,"",0,0)=0 Then Function Return False
- Menus Off
- ScreensBitMap 0,Loop
- *TmpBmp.bitmap=Addr BitMap(Loop)
- Offset.l=*TmpBmp\_ebwidth*(PrefDisplayHeight*Loop)
- For DLoop.w=0 To 8-1 ; Depth of 8
- *TmpBmp\_data[DLoop]=*TmpBmp\_data[DLoop]+Offset
- Next DLoop
- Next Loop
- Else
- Function Return False
- EndIf
- Else
- ; AGA screen
- IsAGA=True
- PrefDisplayWidth AND $FFC0 ; For AGA, width to nearest 64
- ScrTags(0)\ti_Tag=#SA_Width,PrefDisplayWidth
- Rect.Rectangle\MinX=0,0,PrefDisplayWidth,PrefDisplayHeight
- ScrTags(1)\ti_Tag=#SA_Height,PrefDisplayHeight ; Seperate buffers
- ScrTags(8)\ti_Tag=#SA_DClip,&Rect
- ScrTags(3)\ti_Tag=#SA_DisplayID,PrefDisplayID
- Forbid_
- VWait 5 ; seems to be necessary (safer)
- Free Screen 0
- VWait 5
- For Loop.w=0 To PrefDisplayBuffering-1
- If Loop=0 Then WFlags.l=$1900 Else WFlags.l=$800
- If AvailMem_(#MEMF_CHIP)>=(PrefDisplayWidth*PrefDisplayHeight)+16
- Memory.l=AllocMem((PrefDisplayWidth*PrefDisplayHeight)+16,$10002) ; Chip bitmap
- Memory=(Memory+16) AND $FFFFFFF0 ; Align for move16's
- If Memory<>0
- CludgeBitMap Loop,PrefDisplayWidth,PrefDisplayHeight,8,Memory ; Depth 8
- If Loop=0
- ScrTags(12)\ti_Tag=#SA_BitMap,Addr BitMap(0)
- If ScreenTags(0,Title$,&ScrTags(0))=0
- Permit_
- Function Return False
- EndIf
- EndIf
- If Window(Loop,0,0,PrefDisplayWidth,PrefDisplayHeight,WFlags,"",0,0)=0 Then Function Return False
- Menus Off
- Else
- Permit_
- Function Return False
- EndIf
- Else
- Permit_
- Function Return False
- EndIf
- PlanarBuf(Loop)=Memory
- Next Loop
- Permit_
- EndIf
- DEFTYPE.DimensionInfo DimInfoBuf
- GetDisplayInfoData_ FindDisplayInfo_(PrefDisplayID) AND $FFFFFFFF,&DimInfoBuf,SizeOf.DimensionInfo,#DTAG_DIMS,0
- PrefDisplayLeft.w=((DimInfoBuf\TxtOScan\MaxX)-PrefDisplayWidth)/2
- PrefDisplayTop.w=((DimInfoBuf\TxtOScan\MaxY)-PrefDisplayHeight)/2
- *Scr._Screen=Peek.l(Addr Screen(0))
- *ScrVP=ViewPort(0)
- *ScrVP\DxOffset=PrefDisplayLeft,PrefDisplayTop
- ScrollVPort_ *ScrVP
- RethinkDisplay_
- Menus Off
- If *ScrVP\DHeight<>PrefDisplayHeight
- Forbid_
- *Scr\Height=PrefDisplayHeight ; Enforce y clipping
- Permit_
- EndIf
- ScreenToFront_ *Scr
- Function Return True
- Else
- Permit_
- Function Return False
- EndIf
- End Function
-
- .Main
- InitBank 0,PrefDisplayWidth*PrefDisplayHeight,$10000
- CludgeBitMap 0,PrefDisplayWidth,PrefDisplayHeight,8,Bank(0)
- InitPalette 0,256
- LoadBitMap 0,"Stencil.IFF"
- If MBitmap(0,PrefDisplayWidth,PrefDisplayHeight)=0 Then Goto Finish
- MPlanar16ToBitmap 0,Bank(0)
- MMakeStencil 0
- LoadBitMap 0,"Image.IFF",0
- MPlanar16ToBitmap 0,Bank(0)
- If InitDisplay{"Game"}=False Then Goto Finish
- ShowPalette 0
- *RP._RastPort=RastPort(0)
- Mc2pWindow 0,PrefDisplayWidth,PrefDisplayHeight ; Need this line in some form or other
- MCludgeBitmap 4,PrefDisplayWidth,PrefDisplayHeight*PrefDisplayBuffering,*RP\_BitMap\Planes
- If MBitmap(1,PrefDisplayWidth,PrefDisplayHeight)=0 Then Goto Finish
- MBlockScroll 0,0,PrefDisplayWidth,PrefDisplayHeight,0,0,0
- MUseBitmap 0
- If MShape(0,64,64)=0 Then Goto Finish
- MTable 0,256*256
- If ReadFile(0,"Merge50.Table")=0 Then Goto Finish
- ReadMem 0,MTablePtr,256*256
- CloseFile 0
- MTable 1,256*256
- If ReadFile(0,"Subtract&Tint.Table")=0 Then Goto Finish
- ReadMem 0,MTablePtr,256*256
- CloseFile 0
- MMakeStencil 1
-
- .Loop
- buf.b=0
- its.l=0
- cnt.b=0
- ResetTimer
- While Joyb(0)=0 AND Joyb(1)=0
-
- xpos=Min(SMouseX,PrefDisplayWidth-65)
- ypos=Min(SMouseY,PrefDisplayHeight-65)
- MBlockScroll xpos,ypos,64,64,64,0,1
- MScroll xpos,ypos,64,64,0,0,1
- MUseTable 0
- MMaskScrollMode MReMapMode
- MMaskScroll xpos,ypos,64,64,128,0,1
- MUseTable 1
- MScroll 192,0,64,64,192,0,1
- MMaskScroll xpos,ypos,64,64,192,0,0
- MMaskScrollMode MColourMode
- MScroll 256,0,64,64,256,0,1
- MInk its
- MMaskScroll xpos,ypos,64,64,256,0,0
- MScrollBitmapToShape xpos,ypos,64,64,0,0,1
- MShapeXFlip 0
- MShapeYFlip 0
- MSScrollCut On
- MSScrollShapeToBitmap 0,0,64,64,128,64,0
- MUseTable 0
- MMaskScrollMode MReMapMode
- MScroll 64,64,64,64,64,64,1
- MMaskScroll xpos,ypos,64,64,64,64,0
- MScroll xpos,ypos,64,64,192,64,0
- MScroll 0,63,64,64,0,64,0
- MScroll 1,64,64,64,0,64,0
- MBlockScrollBitmapToShape 64,64,64,64,0,0,0
- MShapeYFlip 0
- MBlockScrollShapeToBitmap 0,0,64,64,256,64,0
-
- ;Display
- If IsAGA
- Mc2p MBitmapPtr(0),PlanarBuf(buf)
- ShowBitMap buf
- If PrefDisplayBuffering>1
- buf+1
- If buf=PrefDisplayBuffering Then buf=0
- EndIf
- Else
- MUseBitmap 4
- If PrefDisplayBuffering>1
- MBlockScroll 0,0,PrefDisplayWidth,PrefDisplayHeight,0,PrefDisplayHeight+(cnt*PrefDisplayHeight),0
- Else
- MBlockScroll 0,0,PrefDisplayWidth,PrefDisplayHeight,0,0,0
- EndIf
- MUseBitmap 0
- *RP0._RastPort=RastPort(0)
- *RP1._RastPort=RastPort(Min(PrefDisplayBuffering-1,1+cnt))
- ClipBlit_ *RP1,0,0,*RP0,0,0,PrefDisplayWidth,PrefDisplayHeight,$C0
- If PrefDisplayBuffering=3 Then cnt=1-cnt ; Toggle output buffer
- EndIf
-
- its+1
- Wend
-
- ;Report
- t=Timer
- t=Max(t,1)
- its=Max(its,1)
- a.q=50.0/(t/its)
- WBenchToFront_
- FindScreen 1
- Window 2,16,16,300,40,0,"Test results",1,0
- WindowOutput 2
- NPrint a," frames per second"
- NPrint " "
- NPrint "Press mouse/joy button..."
- Repeat
- Until Joyb(0)<>0 OR Joyb(1)<>0
-
- Finish:
- End
-
-