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1 line
2.2 KiB
Plaintext
Executable File
1 line
2.2 KiB
Plaintext
Executable File
*****************************************************************
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*
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* GRSCRAP - Graphics scrap routines. They go through a jump
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* table at the beginning of the static graphics segment
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* (GRSTAT).
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*
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* Entries are:
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*
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* X_CopyGRPict
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* X_FreeGRPict
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* X_GRPictToPict
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*
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*****************************************************************
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load 'macros.dump'
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include 'driver.equ'
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include 'scrap.equ'
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IMPORT D_LoadSegName
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entry X_GetGRSTATAddr
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*****************************************************************
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*
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* X_CopyGRPict - Copy a graphics picture
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*
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*****************************************************************
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X_CopyGRPict PROC EXPORT
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input ingrpict:l
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output outgrpict:l
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local where:l
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error err
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begin +b
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call X_GetGRSTATAddr,out=where:l
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movew [where],slot+1
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movew [where]:#1,slot+2
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spacelong
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pushlong ingrpict
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slot jsl >0
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sta err
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pulllong outgrpict
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return
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ENDP
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*****************************************************************
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*
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* X_FreeGRPict - Free a graphics picture
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*
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*****************************************************************
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X_FreeGRPict PROC EXPORT
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input thegrpict: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_GetGRSTATAddr,out=where:l
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movew [where]:#4,slot+1
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movew [where]:#5,slot+2
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pushlong thegrpict
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slot jsl >0
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sta err
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return
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ENDP
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*****************************************************************
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*
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* X_GRPictToPict - Convert graphics picture to PICT
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*
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*****************************************************************
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X_GRPictToPict PROC EXPORT
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input ingrpict:l
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output outpict: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_GetGRSTATAddr,out=where:l
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movew [where]:#8,slot+1
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movew [where]:#9,slot+2
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spacelong
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pushlong ingrpict
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slot jsl >0
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sta err
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pulllong outpict
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return
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ENDP
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*****************************************************************
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*
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* X_GetGRSTATAddr -- Get the address of the static graphics segment.
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* Call the loader the first time; remember it after
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* that.
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*
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*****************************************************************
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X_GetGRSTATAddr PROC EXPORT
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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,>theaddr
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bne gotit
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call D_LoadSegName,in=#grstatname:l,out=(>theaddr:l,?:w),err=err
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gotit movel >theaddr,where
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return
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theaddr DC.L 0
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grstatname str 'GRSTAT'
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ENDP
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END
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