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Topic       : TOS - The Operating System
Author      : 
Version     : tos.hyp (December 19, 2008)
Subject     : Programmieren/Atari
Nodes       : 3010
Index Size  : 93790
HCP-Version : 5
Compiled on : Atari
@charset    : atarist
@lang       : 
@default    : Title
@help       : 
@options    : +g -i -s +x +zz -t4
@width      : 70
View Ref-File6.19.1  Bindings for copy_raster                                   TOS

 Pure-C:    void copy_raster( void ); /* WARNING: NOT supported ! */

 Assembler:

            movem.l   D0-D2/A0-A2,-(A7)  ; Save registers
            move.l    pParamblk,A0       ; Pointer parameter block LINEA
            move.l    (4,A0),A1          ; contrl to A1
            move.l    s_mfdb,D0          ; Address source MFDB to D0
            move.w    D0,(8,A1)          ; Lower WORD source MFDB to contrl[8]
            lsr.l     #8,D0              ; Move upper WORD of D0 ...
            lsr.l     #8,D0              ; ... onto lower WORD
            move.w    D0,(7,A1)          ; Upper WORD source MFDB to contrl[7]
            move.l    d_mfdb,D0          ; Address destination MFDB to D0
            move.w    D0,(10,A1)         ; Lower WORD destination MFDB to contrl[10]
            lsr.l     #8,D0              ; Move upper WORD of D0 ...
            lsr.l     #8,D0              ; ... onto lower WORD
            move.w    D0,(9,A1)          ; Upper WORD destination MFDB to contrl[9]
            move.l    intin,(8,A0)       ; contrl in LINEA.contrl
            move.l    (8,A0),-(A7)       ; Save old value of the intin field
            move.l    intin,(8,A0)       ; intin in LINEA.intin
            move.l    (12,A0),-(A7)      ; Save old value of the ptsin field
            move.l    intin,(8,A0)       ; ptsin in LINEA.ptsin
            move.w    patptr,(44,A0)     ; Line pattern in LINEA.patptr
            move.w    multifill,(50,A0)  ; Plane flag in LINEA.multifill
            move.w    copy_tran,(116,A0) ; Copy mode in LINEA.copy_tran
            dc.w      $A00E              ; Line-A opcode
            move.l    pParamblk,A0       ; Pointer parameter block LINEA
            move.l    (A7)+,(12,A0)      ; Restore old value of the ptsin field
            move.l    (A7)+,(8,A0)       ; Restore old value of the intin field
            movem.l   (A7)+,D0-D2/A0-A2  ; Restore registers