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46 lines
1.4 KiB
C
46 lines
1.4 KiB
C
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/*
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File: ROMFastTraps.h
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Contains: Routines to make traps in ROM call directly.
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Written by: Chas. Spillar
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Copyright: © 1989-1993 by Apple Computer, Inc., all rights reserved.
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Change History (most recent first):
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<3> 3/31/93 IH Make the ROMFastTraps use true/false (as set by the FeaturesSet
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make scripts) not defined/undefined to determine whether to use
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fast traps. All builds were using fast traps because the #define
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was always defined.
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<SM2> 11/4/92 CSS Fixed so __GenToolboxTrapCode ands the trap
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word with 3FF to get the trap number rather
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than FF.
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<SM1> 10/22/92 CSS First checked in.
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Note:
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Don't forget to turn on the flag ROMFastTraps in StandardEqu.a so that the correct
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code is compiled when StandardEqu.d is built. This is currently required in ROMObj.make
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and in the Build script.
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To Do:
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*/
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#ifndef __ROMFastTrapsIncluded__
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#define __ROMFastTrapsIncluded__
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#if ROMFastTraps
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#define __GenToolboxTrapCode(Trap) 0x4EB0,0x81E1,0xE00+(0x3FF&Trap)*4
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//still need to handle autopop in __GenToolboxTrapCode
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#define __GenOSTrapCode(Trap) 0x48E7,((Trap&0x100)?0x6040:0x60C0),\
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0x323C,Trap,\
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0x4EB0,0x81E1,(0x400+(Trap&0xFF)*4),\
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0x4CDF,((Trap&0x100)?0x0206:0x0306),\
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0x4A40
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#else
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#define __GenToolboxTrapCode(Trap) Trap
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#define __GenOSTrapCode(Trap) Trap
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#endif
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#endif
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