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51 lines
869 B
Groff
51 lines
869 B
Groff
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SUBTTL Accumuator Definitions
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FLGS=0 ;flag word for bit testing
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P=1 ;PDL pointer
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MBP=2 ;PDL pointer for display buffer being filled
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IDX1=3 ;index of objects currently being processed
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IDX2=4
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A=5 ;temporaries -- other names defined below
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B=6
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C=7
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D=10
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T1=11
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T2=12
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T3=13
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T4=14
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T5=15
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DCP=16 ;display chain pointer (wired)
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DLP=17 ;BLKO pointer of list being output (wired)
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; Other names used for the AC's
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TYP1==C ;types of objects in IDX1 and IDX2
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TYP2==D
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X==T1 ;X/Y coordinates built by DISPNT macro
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Y==T2
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PTCMND==T4 ;point command placed here by DISPNT
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SDLP==T3 ;PDL pointer for building sun display
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.XCREF FLGS,P,MBP,IDX1,IDX2,A,B,C,D,T1,T2,T3,T4,T5,DCP,DLP
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.XREF X,Y,PTCMND,SDLP
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; Accumulator names used in older code (CREF'ed to find and eliminate)
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F==FLGS
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T==T1
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TT==T2
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MP1==IDX1
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MP2==IDX2
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R==T3
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XFLAG==T4
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S==T5
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