mirror of https://gitlab.com/camelot/kickc.git
381 lines
12 KiB
Plaintext
381 lines
12 KiB
Plaintext
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CONTROL FLOW GRAPH SSA
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void main()
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main: scope:[main] from __start
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main::j#0 = 0
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main::i#0 = 0
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to:main::@1
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main::@1: scope:[main] from main main::@2
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main::j#3 = phi( main/main::j#0, main::@2/main::j#4 )
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main::i#2 = phi( main/main::i#0, main::@2/main::i#1 )
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main::screen[main::i#2] = '*'
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main::cols[main::i#2] = main::colseq[main::j#3]
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main::j#1 = ++ main::j#3
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main::$0 = main::j#1 == 3
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main::$1 = ! main::$0
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if(main::$1) goto main::@2
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to:main::@3
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main::@2: scope:[main] from main::@1 main::@3
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main::j#4 = phi( main::@1/main::j#1, main::@3/main::j#2 )
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main::i#3 = phi( main::@1/main::i#2, main::@3/main::i#4 )
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main::i#1 = main::i#3 + rangenext(0,$27)
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main::$2 = main::i#1 != rangelast(0,$27)
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if(main::$2) goto main::@1
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to:main::@return
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main::@3: scope:[main] from main::@1
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main::i#4 = phi( main::@1/main::i#2 )
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main::j#2 = 0
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to:main::@2
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main::@return: scope:[main] from main::@2
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return
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to:@return
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void __start()
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__start: scope:[__start] from
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call main
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to:__start::@1
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__start::@1: scope:[__start] from __start
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to:__start::@return
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__start::@return: scope:[__start] from __start::@1
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return
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to:@return
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SYMBOL TABLE SSA
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__constant const char GREEN = 5
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__constant const char RED = 2
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__constant const char WHITE = 1
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void __start()
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void main()
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bool main::$0
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bool main::$1
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bool main::$2
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__constant char *main::cols = (char *)$d800
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__constant char main::colseq[] = { WHITE, RED, GREEN }
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char main::i
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char main::i#0
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char main::i#1
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char main::i#2
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char main::i#3
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char main::i#4
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char main::j
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char main::j#0
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char main::j#1
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char main::j#2
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char main::j#3
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char main::j#4
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__constant char *main::screen = (char *)$400
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Adding number conversion cast (unumber) 3 in main::$0 = main::j#1 == 3
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Adding number conversion cast (unumber) 0 in main::j#2 = 0
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Successful SSA optimization PassNAddNumberTypeConversions
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Inlining cast main::j#2 = (unumber)0
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Successful SSA optimization Pass2InlineCast
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Simplifying constant pointer cast (char *) 1024
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Simplifying constant pointer cast (char *) 55296
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Simplifying constant integer cast 3
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Simplifying constant integer cast 0
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Successful SSA optimization PassNCastSimplification
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Finalized unsigned number type (char) 3
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Finalized unsigned number type (char) 0
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Inversing boolean not [7] main::$1 = main::j#1 != 3 from [6] main::$0 = main::j#1 == 3
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Successful SSA optimization Pass2UnaryNotSimplification
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Alias main::i#2 = main::i#4
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Successful SSA optimization Pass2AliasElimination
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Alias main::i#2 = main::i#3
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Successful SSA optimization Pass2AliasElimination
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Simple Condition main::$1 [7] if(main::j#1!=3) goto main::@2
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Simple Condition main::$2 [11] if(main::i#1!=rangelast(0,$27)) goto main::@1
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Successful SSA optimization Pass2ConditionalJumpSimplification
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Constant main::j#0 = 0
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Constant main::i#0 = 0
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Constant main::j#2 = 0
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Successful SSA optimization Pass2ConstantIdentification
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Resolved ranged next value [9] main::i#1 = ++ main::i#2 to ++
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Resolved ranged comparison value [11] if(main::i#1!=rangelast(0,$27)) goto main::@1 to $28
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Removing unused procedure __start
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Removing unused procedure block __start
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Removing unused procedure block __start::@1
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Removing unused procedure block __start::@return
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Successful SSA optimization PassNEliminateEmptyStart
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Adding number conversion cast (unumber) $28 in [7] if(main::i#1!=$28) goto main::@1
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Successful SSA optimization PassNAddNumberTypeConversions
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Simplifying constant integer cast $28
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Successful SSA optimization PassNCastSimplification
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Finalized unsigned number type (char) $28
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Inlining constant with var siblings main::j#0
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Inlining constant with var siblings main::i#0
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Inlining constant with var siblings main::j#2
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Constant inlined main::i#0 = 0
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Constant inlined main::j#2 = 0
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Constant inlined main::j#0 = 0
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Successful SSA optimization Pass2ConstantInlining
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Added new block during phi lifting main::@4(between main::@2 and main::@1)
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Added new block during phi lifting main::@5(between main::@1 and main::@2)
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Adding NOP phi() at start of main
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Adding NOP phi() at start of main::@3
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CALL GRAPH
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Created 3 initial phi equivalence classes
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Coalesced [11] main::i#5 = main::i#1
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Coalesced [12] main::j#5 = main::j#4
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Coalesced [13] main::j#6 = main::j#1
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Coalesced down to 2 phi equivalence classes
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Culled Empty Block label main::@3
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Culled Empty Block label main::@4
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Renumbering block main::@5 to main::@3
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Adding NOP phi() at start of main
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Adding NOP phi() at start of main::@3
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FINAL CONTROL FLOW GRAPH
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void main()
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main: scope:[main] from
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[0] phi()
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to:main::@1
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main::@1: scope:[main] from main main::@2
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[1] main::j#3 = phi( main/0, main::@2/main::j#4 )
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[1] main::i#2 = phi( main/0, main::@2/main::i#1 )
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[2] main::screen[main::i#2] = '*'
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[3] main::cols[main::i#2] = main::colseq[main::j#3]
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[4] main::j#1 = ++ main::j#3
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[5] if(main::j#1!=3) goto main::@3
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to:main::@2
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main::@3: scope:[main] from main::@1
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[6] phi()
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to:main::@2
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main::@2: scope:[main] from main::@1 main::@3
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[7] main::j#4 = phi( main::@3/main::j#1, main::@1/0 )
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[8] main::i#1 = ++ main::i#2
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[9] if(main::i#1!=$28) goto main::@1
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to:main::@return
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main::@return: scope:[main] from main::@2
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[10] return
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to:@return
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VARIABLE REGISTER WEIGHTS
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void main()
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char main::i
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char main::i#1 // 16.5
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char main::i#2 // 6.285714285714286
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char main::j
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char main::j#1 // 11.0
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char main::j#3 // 11.0
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char main::j#4 // 7.333333333333333
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Initial phi equivalence classes
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[ main::i#2 main::i#1 ]
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[ main::j#3 main::j#4 main::j#1 ]
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Complete equivalence classes
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[ main::i#2 main::i#1 ]
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[ main::j#3 main::j#4 main::j#1 ]
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Allocated zp[1]:2 [ main::j#3 main::j#4 main::j#1 ]
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Allocated zp[1]:3 [ main::i#2 main::i#1 ]
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REGISTER UPLIFT POTENTIAL REGISTERS
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Statement [2] main::screen[main::i#2] = '*' [ main::i#2 main::j#3 ] ( [ main::i#2 main::j#3 ] { } ) always clobbers reg byte a
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Removing always clobbered register reg byte a as potential for zp[1]:3 [ main::i#2 main::i#1 ]
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Removing always clobbered register reg byte a as potential for zp[1]:2 [ main::j#3 main::j#4 main::j#1 ]
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Statement [3] main::cols[main::i#2] = main::colseq[main::j#3] [ main::i#2 main::j#3 ] ( [ main::i#2 main::j#3 ] { } ) always clobbers reg byte a
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Statement [2] main::screen[main::i#2] = '*' [ main::i#2 main::j#3 ] ( [ main::i#2 main::j#3 ] { } ) always clobbers reg byte a
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Statement [3] main::cols[main::i#2] = main::colseq[main::j#3] [ main::i#2 main::j#3 ] ( [ main::i#2 main::j#3 ] { } ) always clobbers reg byte a
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Potential registers zp[1]:3 [ main::i#2 main::i#1 ] : zp[1]:3 , reg byte x , reg byte y ,
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Potential registers zp[1]:2 [ main::j#3 main::j#4 main::j#1 ] : zp[1]:2 , reg byte x , reg byte y ,
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REGISTER UPLIFT SCOPES
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Uplift Scope [main] 29.33: zp[1]:2 [ main::j#3 main::j#4 main::j#1 ] 22.79: zp[1]:3 [ main::i#2 main::i#1 ]
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Uplift Scope []
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Uplifting [main] best 541 combination reg byte y [ main::j#3 main::j#4 main::j#1 ] reg byte x [ main::i#2 main::i#1 ]
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Uplifting [] best 541 combination
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ASSEMBLER BEFORE OPTIMIZATION
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// File Comments
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// Upstart
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// Commodore 64 PRG executable file
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.file [name="inmem-const-array.prg", type="prg", segments="Program"]
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.segmentdef Program [segments="Basic, Code, Data"]
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.segmentdef Basic [start=$0801]
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.segmentdef Code [start=$80d]
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.segmentdef Data [startAfter="Code"]
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.segment Basic
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:BasicUpstart(main)
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// Global Constants & labels
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.const WHITE = 1
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.const RED = 2
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.const GREEN = 5
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.segment Code
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// main
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main: {
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.label screen = $400
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.label cols = $d800
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// [1] phi from main to main::@1 [phi:main->main::@1]
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__b1_from_main:
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// [1] phi main::j#3 = 0 [phi:main->main::@1#0] -- vbuyy=vbuc1
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ldy #0
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// [1] phi main::i#2 = 0 [phi:main->main::@1#1] -- vbuxx=vbuc1
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ldx #0
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jmp __b1
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// [1] phi from main::@2 to main::@1 [phi:main::@2->main::@1]
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__b1_from___b2:
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// [1] phi main::j#3 = main::j#4 [phi:main::@2->main::@1#0] -- register_copy
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// [1] phi main::i#2 = main::i#1 [phi:main::@2->main::@1#1] -- register_copy
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jmp __b1
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// main::@1
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__b1:
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// [2] main::screen[main::i#2] = '*' -- pbuc1_derefidx_vbuxx=vbuc2
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lda #'*'
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sta screen,x
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// [3] main::cols[main::i#2] = main::colseq[main::j#3] -- pbuc1_derefidx_vbuxx=pbuc2_derefidx_vbuyy
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lda colseq,y
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sta cols,x
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// [4] main::j#1 = ++ main::j#3 -- vbuyy=_inc_vbuyy
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iny
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// [5] if(main::j#1!=3) goto main::@3 -- vbuyy_neq_vbuc1_then_la1
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cpy #3
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bne __b3_from___b1
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// [7] phi from main::@1 to main::@2 [phi:main::@1->main::@2]
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__b2_from___b1:
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// [7] phi main::j#4 = 0 [phi:main::@1->main::@2#0] -- vbuyy=vbuc1
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ldy #0
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jmp __b2
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// [6] phi from main::@1 to main::@3 [phi:main::@1->main::@3]
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__b3_from___b1:
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jmp __b3
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// main::@3
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__b3:
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// [7] phi from main::@3 to main::@2 [phi:main::@3->main::@2]
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__b2_from___b3:
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// [7] phi main::j#4 = main::j#1 [phi:main::@3->main::@2#0] -- register_copy
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jmp __b2
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// main::@2
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__b2:
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// [8] main::i#1 = ++ main::i#2 -- vbuxx=_inc_vbuxx
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inx
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// [9] if(main::i#1!=$28) goto main::@1 -- vbuxx_neq_vbuc1_then_la1
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cpx #$28
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bne __b1_from___b2
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jmp __breturn
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// main::@return
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__breturn:
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// [10] return
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rts
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.segment Data
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colseq: .byte WHITE, RED, GREEN
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}
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// File Data
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ASSEMBLER OPTIMIZATIONS
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Removing instruction jmp __b1
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Removing instruction jmp __b3
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Removing instruction jmp __b2
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Removing instruction jmp __breturn
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Succesful ASM optimization Pass5NextJumpElimination
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Replacing label __b3_from___b1 with __b2
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Replacing label __b1_from___b2 with __b1
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Removing instruction __b1_from___b2:
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Removing instruction __b3_from___b1:
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Removing instruction __b3:
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Removing instruction __b2_from___b3:
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Succesful ASM optimization Pass5RedundantLabelElimination
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Removing instruction __b1_from_main:
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Removing instruction __b2_from___b1:
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Removing instruction __breturn:
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Succesful ASM optimization Pass5UnusedLabelElimination
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Removing instruction jmp __b1
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Removing instruction jmp __b2
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Succesful ASM optimization Pass5NextJumpElimination
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FINAL SYMBOL TABLE
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__constant const char GREEN = 5
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__constant const char RED = 2
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__constant const char WHITE = 1
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void main()
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__constant char *main::cols = (char *) 55296
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__constant char main::colseq[] = { WHITE, RED, GREEN }
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char main::i
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char main::i#1 // reg byte x 16.5
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char main::i#2 // reg byte x 6.285714285714286
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char main::j
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char main::j#1 // reg byte y 11.0
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char main::j#3 // reg byte y 11.0
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char main::j#4 // reg byte y 7.333333333333333
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__constant char *main::screen = (char *) 1024
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reg byte x [ main::i#2 main::i#1 ]
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reg byte y [ main::j#3 main::j#4 main::j#1 ]
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FINAL ASSEMBLER
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Score: 361
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// File Comments
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// Upstart
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// Commodore 64 PRG executable file
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.file [name="inmem-const-array.prg", type="prg", segments="Program"]
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.segmentdef Program [segments="Basic, Code, Data"]
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.segmentdef Basic [start=$0801]
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.segmentdef Code [start=$80d]
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.segmentdef Data [startAfter="Code"]
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.segment Basic
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:BasicUpstart(main)
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// Global Constants & labels
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.const WHITE = 1
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.const RED = 2
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.const GREEN = 5
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.segment Code
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// main
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main: {
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.label screen = $400
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.label cols = $d800
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// [1] phi from main to main::@1 [phi:main->main::@1]
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// [1] phi main::j#3 = 0 [phi:main->main::@1#0] -- vbuyy=vbuc1
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ldy #0
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// [1] phi main::i#2 = 0 [phi:main->main::@1#1] -- vbuxx=vbuc1
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ldx #0
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// [1] phi from main::@2 to main::@1 [phi:main::@2->main::@1]
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// [1] phi main::j#3 = main::j#4 [phi:main::@2->main::@1#0] -- register_copy
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// [1] phi main::i#2 = main::i#1 [phi:main::@2->main::@1#1] -- register_copy
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// main::@1
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__b1:
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// screen[i] = '*'
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// [2] main::screen[main::i#2] = '*' -- pbuc1_derefidx_vbuxx=vbuc2
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lda #'*'
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sta screen,x
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// cols[i] = colseq[j]
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// [3] main::cols[main::i#2] = main::colseq[main::j#3] -- pbuc1_derefidx_vbuxx=pbuc2_derefidx_vbuyy
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lda colseq,y
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sta cols,x
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// if(++j==3)
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// [4] main::j#1 = ++ main::j#3 -- vbuyy=_inc_vbuyy
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iny
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// [5] if(main::j#1!=3) goto main::@3 -- vbuyy_neq_vbuc1_then_la1
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cpy #3
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bne __b2
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// [7] phi from main::@1 to main::@2 [phi:main::@1->main::@2]
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// [7] phi main::j#4 = 0 [phi:main::@1->main::@2#0] -- vbuyy=vbuc1
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ldy #0
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// [6] phi from main::@1 to main::@3 [phi:main::@1->main::@3]
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// main::@3
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// [7] phi from main::@3 to main::@2 [phi:main::@3->main::@2]
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// [7] phi main::j#4 = main::j#1 [phi:main::@3->main::@2#0] -- register_copy
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// main::@2
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__b2:
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// for( byte i : 0..39)
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// [8] main::i#1 = ++ main::i#2 -- vbuxx=_inc_vbuxx
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inx
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// [9] if(main::i#1!=$28) goto main::@1 -- vbuxx_neq_vbuc1_then_la1
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cpx #$28
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bne __b1
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// main::@return
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// }
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// [10] return
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rts
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.segment Data
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colseq: .byte WHITE, RED, GREEN
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}
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// File Data
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