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1 line
2.4 KiB
Plaintext
Executable File
1 line
2.4 KiB
Plaintext
Executable File
load 'macros.dump'
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include 'scrap.equ'
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IMPORT D_LoadSegName
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entry X_GetPLSCRAPAddr
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ENTRY X_PS_SegName
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ENTRY PS_TheAddr
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;--------------------------------------------------------------------
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;
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; Page layout scrap routines go through a jump table at the
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; beginning of the static page layout segment (PLSCRAP).
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;
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; Entries are:
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;
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; X_CopyPLObj (ScrapHdl:l): CopyHdl:l
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; X_KillPLObj (ObjHdl:l)
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; X_PL2PictScrap (ObjHdl:l): PictHdl:l
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;
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;------------------------------------------------------------------------------
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;
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; X_CopyPLObj (ScrapHdl:l) : CopyHdl:l
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;
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X_CopyPLObj PROC EXPORT
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;Using X_PS_Data
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INPUT ScrapHdl:l
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OUTPUT CopyHdl:l
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ERROR Err
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LOCAL Where:l
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BEGIN
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call X_GetPLSCRAPAddr,out=(Where:l)
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moveword [Where],slot+1
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moveword [Where]:#1,slot+2
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spacelong
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pushlong ScrapHdl
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slot jsl >0
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sta Err
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pulllong CopyHdl
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RETURN
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ENDP
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;-----------------------------------------------------------------------------
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;
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; X_KillPLObj (ObjHdl:l)
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;
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X_KillPLObj PROC EXPORT
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;Using X_PS_Data
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INPUT ObjHdl:l
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LOCAL Where:l
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BEGIN
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call X_GetPLSCRAPAddr,out=(Where:l)
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moveword [Where]:#4,slot+1
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moveword [Where]:#5,slot+2
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pushlong ObjHdl
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pushword #1
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slot jsl >0
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RETURN
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ENDP
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;------------------------------------------------------------------------------
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;
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; X_PL2PictScrap (ObjHdl:l) : PictHdl:l
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;
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; Converts a D_PL scrap to a picture.
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;
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X_PL2PictScrap PROC EXPORT
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;Using X_PS_Data
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INPUT ObjHdl:l
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OUTPUT PictHdl:l
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ERROR Err
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LOCAL Where:l
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BEGIN +b
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call X_GetPLSCRAPAddr,out=(Where:l)
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moveword [Where]:#8,slot+1
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moveword [Where]:#9,slot+2
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spacelong
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pushlong ObjHdl
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slot jsl >0
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sta Err
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pulllong PictHdl
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Exit RETURN
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ENDP
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;-------------------------------------------------------------------------
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;
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; X_GetPLSCRAPAddr () : WHere:l
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;
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; Getd the address of the PLSCRAP static segment.
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; Call the loader the first time; remember it after that.
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;
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X_GetPLSCRAPAddr PROC EXPORT
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;Using X_PS_Data
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OUTPUT Where:l
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ERROR Err
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BEGIN
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stz err
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cmpl #0,>PS_TheAddr
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beq getit
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movelong >PS_TheAddr,Where
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bra Exit
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getit call D_LoadSegName,in=(#X_PS_SegName:l),out=(Where:l,a:w),err=Err
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movelong Where,>PS_TheAddr
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Exit RETURN
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ENDP
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;-----------------------------------------------------------------------------
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;
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; X_PS_Data
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X_PS_Data PROC EXPORT
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EXPORT PS_TheAddr
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EXPORT X_PS_SegName
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PS_TheAddr DC.L 0
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X_PS_SegName str 'PLSCRAP'
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ENDP
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END
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