1 line
4.5 KiB
ArmAsm
Executable File
1 line
4.5 KiB
ArmAsm
Executable File
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load 'macros.dump'
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include 'driver.equ'
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include 'pl.equ'
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;-----------------------------------------------
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;
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; Imported addresses
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;
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;-----------------------------------------------
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IMPORT D_GrowHandle
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IMPORT T_GetParPtr
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IMPORT T_OffsetPars
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;-----------------------------------------------
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;
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; Forward addresses and entries
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;
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;-----------------------------------------------
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ENTRY T_LessRoom
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ENTRY T_MakeRoom
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; ------------------------------------------------------------------------------
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; T_MakeRoom and T_LessRoom will grow or shrink the Q_Text blocks the
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; correct amount and make sure everything in the parag array data
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; structure gets updated, with the exception of the LinesHdl.
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;
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;------------------------------------------------------------------------------
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;
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; T_DoRoom (Par:w,Offset:w,Bytes:w)
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;
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T_DoRoom PROC EXPORT
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lda 4,s ;look at bytes
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jpl T_MakeRoom
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eor #$ffff
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inc a
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sta 4,s
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brl T_LessRoom
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ENDP
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;------------------------------------------------------------------------------
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;
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; T_MakeRoom (ParagNo:w,Offset:w,Bytes:w)
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;
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T_MakeRoom PROC EXPORT
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;Using T_Data
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;Using T_TextEqu
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INPUT ParagNo:w,Offset:w,Bytes:w
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LOCAL ParagPtr:l,TextHdl:l,TextPtr:l
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LOCAL X_Blocksize:w,TextSize:w,NewTSize:w
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ERROR Err
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BEGIN
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stz Err
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lda Bytes
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jeq Exit
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rcall T_GetParPtr,in=(ParagNo:a),out=(ParagPtr:ax)
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movelong [ParagPtr]:#T_TextBlock,TextHdl
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addword [ParagPtr]:#T_ParOffset,Offset,Offset
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movelong [TextHdl],TextPtr
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moveword [TextPtr],X_Blocksize
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moveword [TextPtr]:#T_TextSize,TextSize
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addword a,Bytes,NewTSize
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cmp X_Blocksize
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blt Fits
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; 1. Grow Q_Text Block
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call D_GrowHandle,in=(#0:w,NewTSize:w,TextHdl:l),err=(Err)
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bcs Exit
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movelong [TextHdl],TextPtr
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moveword NewTSize,[TextPtr]
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; BlockMove rest of Q_Text down
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Fits
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moveword NewTSize,[TextPtr]:#T_TextSize
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addwl Offset,TextPtr
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pushlong TextPtr
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lda Bytes
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addlong a,TextPtr,s
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pushword #0
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subword TextSize,Offset,s
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_BlockMove
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call T_OffsetPars,in=(ParagNo:w,Bytes:w)
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Exit RETURN
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ENDP
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;------------------------------------------------------------------------------
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;
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; T_LessRoom (ParagNo:w,Offset:w,Bytes:w)
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;
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; This routine will remove the Bytes starting at ParagNo,Offset.
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T_LessRoom PROC EXPORT
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;Using T_TextEqu
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INPUT ParagNo:w,Offset:w,Bytes:w
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LOCAL ParagPtr:l,TextBlock:l,TextPtr:l
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LOCAL TextSize:w,SrcOffset:w,DestOffset:w
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BEGIN
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rcall T_GetParPtr,in=(ParagNo:a),out=(ParagPtr:ax)
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movelong [ParagPtr]:#T_TextBlock,TextBlock
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movelong [TextBlock],TextPtr
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moveword [TextPtr]:#T_TextSize,TextSize
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addword [ParagPtr]:#T_ParOffset,Offset,DestOffset
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addword a,Bytes,SrcOffset
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addlong a,TextPtr,s ;Src
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lda DestOffset
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addlong a,TextPtr,s ;Dest
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subword TextSize,SrcOffset,a
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pushword #0
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pushword a ;Amount
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_BlockMove
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subword TextSize,Bytes,TextSize
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cmp #4
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beq KillIt
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moveword a,[TextPtr]
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moveword a,[TextPtr]:#T_TextSize
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pushword #0
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pushword TextSize
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pushlong TextBlock
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_SetHandleSize
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pushword ParagNo
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subword #0,Bytes,s
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jsl T_OffsetPars
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bra Exit
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KillIt
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tool _DisposeHandle,in=(TextBlock:l)
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Exit RETURN
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ENDP
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;-------------------------------------------------------------------------------
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;
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; T_CalcFBytes (FontId1:l,Color1:w,FontId2:l,Color2:w) : Bytes:w
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;
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T_CalcFBytes PROC EXPORT
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INPUT FontID1:l,Color1:w,FontID2:l,Color2:w
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OUTPUT Bytes:w
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BEGIN
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stz Bytes
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cmpw FontId1,FontID2
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beq SameFont
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moveword #3,bytes
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SameFont
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cmpb FontId1+2,FontId2+2
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beq SameStyle
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addword #2,bytes,bytes
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SameStyle
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cmpb FontId1+3,FontId2+3
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beq SameSize
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addword #2,bytes,bytes
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SameSize
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cmpb color1,color2
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beq SameColor
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addword #2,bytes,bytes
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SameColor
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RETURN
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ENDP
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;------------------------------------------------------------------------------
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;
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; T_WriteFbytes (Ptr:l,FontId1:l,Color1:w,FontId2:l,Color2:w)
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;
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T_WriteFBytes PROC EXPORT
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INPUT Ptr:l,FontID1:l,Color1:w,FontID2:l,Color2:w
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BEGIN
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cmpw FontId1,FontID2
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beq SameFont
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moveword #1,[Ptr]
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moveword FontId2,[Ptr]:#1
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addwl #3,Ptr
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SameFont
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cmpb FontId1+2,FontId2+2
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beq SameStyle
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lda FontId2+1 ;2 is in the high
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shortm
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lda #2 ;flag is in the low
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longm
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sta [Ptr]
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addwl #2,Ptr
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SameStyle
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cmpb FontId1+3,FontId2+3
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beq SameSize
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lda FontId2+2 ;3 is in the high
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shortm
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lda #3 ;flag is in the low
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longm
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sta [Ptr]
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addwl #2,Ptr
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SameSize
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cmpb color1,color2
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beq SameColor
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lda color2-1 ;2 is in the high
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shortm
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lda #4 ;flag is in the low
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longm
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sta [Ptr]
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SameColor
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RETURN
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ENDP
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END
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