mirror of
https://github.com/jrk/QuickDraw.git
synced 2025-04-29 09:38:25 +00:00
376 lines
12 KiB
Plaintext
376 lines
12 KiB
Plaintext
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;-----------------------------------------------------------------
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;
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; --> GRAFTYPES.TEXT
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;
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; QUICKDRAW TYPE DECLARATIONS, USED BY ALL GRAPHICS ROUTINES
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;
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NIL .EQU 0 ;IMPLEMENTATION VALUE OF NIL
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;-----------------------------------------------
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;
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; QuickDraw VERBS:
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;
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FRAME .EQU 0
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PAINT .EQU 1
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ERASE .EQU 2
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INVERT .EQU 3
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FILL .EQU 4
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;-----------------------------------------------
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;
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; QuickDraw transfer MODES:
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;
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srcCopy .EQU 0
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srcOr .EQU 1
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srcXor .EQU 2
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srcBic .EQU 3
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notSrcCopy .EQU 4
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notSrcOr .EQU 5
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notSrcXor .EQU 6
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notSrcBic .EQU 7
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patCopy .EQU 8
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patOr .EQU 9
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patXor .EQU 10
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patBic .EQU 11
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notPatCopy .EQU 12
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notPatOr .EQU 13
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notPatXor .EQU 14
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notPatBic .EQU 15
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;-----------------------------------------------
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;
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; QuickDraw Color Separation:
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;
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normalBit .EQU 0 ;normal screen mapping
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inverseBit .EQU 1 ;inverse screen mapping
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redBit .EQU 4 ;RGB additive mapping
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greenBit .EQU 3 ;for photos from screen
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blueBit .EQU 2
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cyanBit .EQU 8 ;CMYBk subtractive mapping
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magentaBit .EQU 7 ;for ink jet printer
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yellowBit .EQU 6
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blackBit .EQU 5
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blackColor .EQU 33
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whiteColor .EQU 30
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redColor .EQU 205
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greenColor .EQU 341
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blueColor .EQU 409
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cyanColor .EQU 273
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magentaColor .EQU 137
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yellowColor .EQU 69
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;-----------------------------------------------
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;
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; OFFSETS WITHIN A POINT:
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;
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V .EQU 0 ;WORD
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H .EQU 2 ;WORD
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;-----------------------------------------------
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;
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; OFFSETS WITHIN A RECT:
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;
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TOPLEFT .EQU 0 ;POINT
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BOTRIGHT .EQU 4 ;POINT
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TOP .EQU 0 ;INTEGER
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LEFT .EQU 2 ;INTEGER
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BOTTOM .EQU 4 ;INTEGER
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RIGHT .EQU 6 ;INTEGER
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;-----------------------------------------------
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;
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; OFFSETS WITHIN A BITMAP:
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;
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BASEADDR .EQU 0 ;LONG
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ROWBYTES .EQU 4 ;WORD
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BOUNDS .EQU 6 ;RECT
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;-----------------------------------------------
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;
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; OFFSETS WITHIN A CURSOR:
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;
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DATA .EQU 0 ;16 WORDS
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MASK .EQU 32 ;16 WORDS
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HOTSPOT .EQU 64 ;POINT
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;-----------------------------------------------
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;
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; OFFSETS WITHIN A POLYGON:
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;
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POLYSIZE .EQU 0 ;WORD, TOTAL BYTES
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POLYBBOX .EQU 2 ;RECT
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POLYPOINTS .EQU 10 ;ARRAY[0..0] OF Point
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;-----------------------------------------------
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;
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; OFFSETS WITHIN A REGION:
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;
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RGNSIZE .EQU 0 ;WORD, TOTAL BYTES
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RGNBBOX .EQU 2 ;RECT
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RGNDATA .EQU 10 ;START OF RGN DATA
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;-----------------------------------------------
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;
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; OFFSETS WITHIN A PICTURE:
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;
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PICSIZE .EQU 0 ;WORD, TOTAL BYTES
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PICFRAME .EQU 2 ;RECT
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PICDATA .EQU 10 ;START OF BYTE CODES
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;-----------------------------------------------
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;
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; OFFSETS WITHIN QDProcs RECORD:
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;
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textProc .EQU 0 ;PROCPTR
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lineProc .EQU textProc+4 ;PROCPTR
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rectProc .EQU lineProc+4 ;PROCPTR
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rRectProc .EQU rectProc+4 ;PROCPTR
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ovalProc .EQU rRectProc+4 ;PROCPTR
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arcProc .EQU ovalProc+4 ;PROCPTR
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polyProc .EQU arcProc+4 ;PROCPTR
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rgnProc .EQU polyProc+4 ;PROCPTR
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bitsProc .EQU rgnProc+4 ;PROCPTR
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commentProc .EQU bitsProc+4 ;PROCPTR
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txMeasProc .EQU commentProc+4 ;PROCPTR
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getPicProc .EQU txMeasProc+4 ;PROCPTR
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putPicProc .EQU getPicProc+4 ;PROCPTR
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;-----------------------------------------------
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;
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; OFFSETS WITHIN A GRAFPORT:
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;
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device .EQU 0 ;WORD
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portBits .EQU device+2 ;BITMAP
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portRect .EQU portBits+14 ;RECT
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visRgn .EQU portRect+8 ;RGNPTR
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clipRgn .EQU visRgn+4 ;RGNPTR
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bkPat .EQU clipRgn+4 ;PATTERN
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fillPat .EQU bkPat+8 ;PATTERN
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pnLoc .EQU fillPat+8 ;POINT
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pnSize .EQU pnLoc+4 ;POINT
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pnMode .EQU pnSize+4 ;WORD
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pnPat .EQU pnMode+2 ;PATTERN
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pnVis .EQU pnPat+8 ;WORD
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txFont .EQU pnVis+2 ;WORD
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txFace .EQU txFont+2 ;WORD
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txMode .EQU txFace+2 ;WORD
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txSize .EQU txMode+2 ;WORD
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spExtra .EQU txSize+2 ;Fixed Point
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fgColor .EQU spExtra+4 ;LONG
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bkColor .EQU fgColor+4 ;LONG
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colrBit .EQU bkColor+4 ;WORD
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patStretch .EQU colrBit+2 ;WORD
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picSave .EQU patStretch+2 ;handle
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rgnSave .EQU picSave+4 ;handle
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polySave .EQU rgnSave+4 ;handle
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grafProcs .EQU polySave+4 ;Pointer
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PORTREC .EQU grafProcs+4 ;SIZE OF A GRAFPORT
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PORTBOUNDS .EQU PORTBITS+BOUNDS
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;-----------------------------------------------------
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;
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; OFFSETS IN A REGION STATE RECORD:
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;
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RGNPTR .EQU 0 ;LONG
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DATAPTR .EQU RGNPTR+4 ;LONG
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SCANBUF .EQU DATAPTR+4 ;LONG
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SCANSIZE .EQU SCANBUF+4 ;WORD
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THISV .EQU SCANSIZE+2 ;WORD
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NEXTV .EQU THISV+2 ;WORD
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MINH .EQU NEXTV+2 ;WORD
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MAXH .EQU MINH+2 ;WORD
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LEFTH .EQU MAXH+2 ;WORD
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RGNREC .EQU LEFTH+2 ;SIZE OF A REGION RECORD
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;-----------------------------------------------------
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;
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; Offsets in a PicSave record:
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;
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thePic .EQU 0 ;PICHANDLE
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picMax .EQU thePic+4 ;LongInt
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picIndex .EQU picMax+4 ;LongInt
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picClipRgn .EQU picIndex+4 ;RgnHandle
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picBkPat .EQU picClipRgn+4 ;Pattern
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picTxFont .EQU picBkPat+8 ;WORD
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picTxFace .EQU picTxFont+2 ;Style
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picTxMode .EQU picTxFace+2 ;WORD
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picTxSize .EQU picTxMode+2 ;WORD
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picSpExtra .EQU picTxSize+2 ;Fixed Point
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picTxNumer .EQU picSpExtra+4 ;Point
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picTxDenom .EQU picTxNumer+4 ;Point
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picTxLoc .EQU picTxDenom+4 ;Point
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picPnLoc .EQU picTxLoc+4 ;Point
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picPnSize .EQU picPnLoc+4 ;Point
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picPnMode .EQU picPnSize+4 ;WORD
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picPnPat .EQU picPnMode+2 ;Pattern
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picFillPat .EQU picPnPat+8 ;Pattern
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picTheRect .EQU picFillPat+8 ;Rect
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picOvSize .EQU picTheRect+8 ;Point
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picOrigin .EQU picOvSize+4 ;Point
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picFgColor .EQU picOrigin+4 ;Long
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picBkColor .EQU picFgColor+4 ;Long
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picSaveRec .EQU picBkColor+4 ;total size in bytes
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;-----------------------------------------------------
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;
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; QuickDraw GLOBAL VARIABLES:
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;
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; 52(A5) CONTAINS A POINTER TO THEPORT.
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; ALL OTHER GLOBAL VARIABLES ARE EXPRESSED RELATIVE TO THEPORT.
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;
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GRAFGLOBALS .EQU 0 ;A5 OFFSET TO GLOBALPTR
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;-----------------------------------------------------------
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;
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; QuickDraw PUBLIC GLOBAL VARIABLES:
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;
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thePort .EQU 0 ;GrafPtr
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white .EQU thePort-8 ;Pattern
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black .EQU white-8 ;Pattern
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gray .EQU black-8 ;Pattern
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ltGray .EQU gray-8 ;Pattern
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dkGray .EQU ltGray-8 ;Pattern
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arrow .EQU dkGray-68 ;Cursor
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screenBits .EQU arrow-14 ;BitMap
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randSeed .EQU screenBits-4 ;LONGINT
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;------------------------------------------------------------
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;
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; QuickDraw private global variables:
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;
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wideOpen .EQU randSeed-4 ;RgnHandle
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wideMaster .EQU wideOpen-4 ;RgnPtr
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wideData .EQU wideMaster-10 ;Fake Region
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rgnBuf .EQU wideData-4 ;PointsHandle
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rgnIndex .EQU rgnBuf-2 ;INTEGER
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rgnMax .EQU rgnIndex-2 ;INTEGER
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playPic .EQU rgnMax-4 ;Long
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QDSpare0 .EQU playPic-2 ;unused word
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thePoly .EQU QDSpare0-4 ;POLYHANDLE
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polyMax .EQU thePoly-2 ;INTEGER
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patAlign .EQU polyMax-4 ;Point
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fixTxWid .EQU patAlign-4 ;Fixed Point
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fontPtr .EQU fixTxWid-4 ;long, ^FMOutput record
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playIndex .EQU fontPtr-4 ;long
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QDSpare3 .EQU playIndex-2 ;unused word
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QDSpare4 .EQU QDSpare3-2 ;unused word
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QDSpare5 .EQU QDSpare4-2 ;unused word
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QDSpare6 .EQU QDSpare5-2 ;unused word
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QDSpare7 .EQU QDSpare6-2 ;unused word
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QDSpare8 .EQU QDSpare7-2 ;unused word
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QDSpare9 .EQU QDSpare8-2 ;unused word
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QDSpareA .EQU QDSpare9-2 ;unused word
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QDSpareB .EQU QDSpareA-2 ;unused word
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QDSpareC .EQU QDSpareB-2 ;unused word
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QDSpareD .EQU QDSpareC-2 ;unused word
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lastGrafGlob .EQU QDSpareD
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grafSize .EQU 4-lastGrafGlob ;total size in bytes
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.MACRO UNLINK
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;--------------------------------------------------------------
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;
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; UNLINK A6, STRIP PARAMETERS, AND RETURN.
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;
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; FIRST PARAM IS NUMBER OF BYTES OF STACK BIAS.
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;
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UNLK A6 ;RELEASE LOCAL VARIABLES
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.IF %1=0 ;NO PARAMETERS ?
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RTS ;THEN JUST RTS
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.ELSE
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.IF %1=4 ;4 BYTES OF PARAMS ?
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MOVE.L (SP)+,(SP) ;YES, STRIP AND ADJUST RET ADDR
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RTS
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.ELSE ;NOT 0 OR 4 BYTES OF PARAMS
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MOVE.L (SP)+,A0 ;POP RETURN ADDR INTO A0
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ADD #%1,SP ;STRIP PARAMETERS
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JMP (A0) ;JUMP THRU A0 TO RETURN
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.ENDC
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.ENDC
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.ENDM
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;----------------------------------------------
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;
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; Trap Macros used by QuickDraw:
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;
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.MACRO _LongMul
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.WORD $A867
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.ENDM
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.MACRO _FixMul
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.WORD $A868
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.ENDM
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.MACRO _FixRatio
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.WORD $A869
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.ENDM
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.MACRO _NewHandle
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.WORD $A122
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.ENDM
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.MACRO _DisposHandle
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.WORD $A023
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.ENDM
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.MACRO _SetHandleSize
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.WORD $A024
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.ENDM
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.MACRO _GetHandleSize
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.WORD $A025
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.ENDM
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.MACRO _HLock
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.WORD $A029
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.ENDM
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.MACRO _HUnlock
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.WORD $A02A
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.ENDM
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.MACRO _GetScrnBits
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.WORD $A833 ;new trap number
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.ENDM
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.MACRO _StackAvail
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MOVE.L SP,D0 ;copy stack pointer
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SUB.L $114,D0 ;subtract HeapEnd for stack avail
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.ENDM
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.MACRO _SwapFont
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MOVE.L $8E0,A0 ;get pointer to FMSwapFont
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JSR (A0) ;call font manager
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.ENDM
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