mirror of
https://gitlab.com/camelot/kickc.git
synced 2024-06-29 09:29:31 +00:00
564 lines
19 KiB
Plaintext
564 lines
19 KiB
Plaintext
Constantified RValue points[main::$2] = { x: 1, y: 2 }
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Constantified RValue points[main::$3] = { x: 3, y: 4 }
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Inlined call call __init
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CONTROL FLOW GRAPH SSA
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void main()
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main: scope:[main] from __start::@1
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idx#16 = phi( __start::@1/idx#15 )
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main::$2 = 0 * SIZEOF_STRUCT_POINT
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points[main::$2] = memcpy(*(&$0), struct Point, SIZEOF_STRUCT_POINT)
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main::$3 = 1 * SIZEOF_STRUCT_POINT
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points[main::$3] = memcpy(*(&$1), struct Point, SIZEOF_STRUCT_POINT)
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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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idx#14 = phi( main/idx#16, main::@2/idx#0 )
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main::i#2 = phi( main/main::i#0, main::@2/main::i#1 )
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main::$4 = main::i#2 * SIZEOF_STRUCT_POINT
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print::p_x#0 = ((char *)points+OFFSET_STRUCT_POINT_X)[main::$4]
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print::p_y#0 = ((char *)points+OFFSET_STRUCT_POINT_Y)[main::$4]
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call print
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to:main::@2
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main::@2: scope:[main] from main::@1
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main::i#3 = phi( main::@1/main::i#2 )
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idx#8 = phi( main::@1/idx#4 )
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idx#0 = idx#8
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main::i#1 = main::i#3 + rangenext(0,1)
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main::$1 = main::i#1 != rangelast(0,1)
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if(main::$1) 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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idx#9 = phi( main::@2/idx#0 )
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idx#1 = idx#9
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return
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to:@return
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void print(char p_x , char p_y)
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print: scope:[print] from main::@1
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print::p_y#1 = phi( main::@1/print::p_y#0 )
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idx#10 = phi( main::@1/idx#14 )
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print::p_x#1 = phi( main::@1/print::p_x#0 )
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SCREEN[idx#10] = print::p_x#1
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idx#2 = ++ idx#10
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SCREEN[idx#2] = print::p_y#1
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idx#3 = ++ idx#2
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to:print::@return
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print::@return: scope:[print] from print
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idx#11 = phi( print/idx#3 )
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idx#4 = idx#11
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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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to:__start::__init1
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__start::__init1: scope:[__start] from __start
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idx#5 = 0
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to:__start::@1
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__start::@1: scope:[__start] from __start::__init1
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idx#15 = phi( __start::__init1/idx#5 )
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call main
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to:__start::@2
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__start::@2: scope:[__start] from __start::@1
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idx#12 = phi( __start::@1/idx#1 )
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idx#6 = idx#12
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to:__start::@return
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__start::@return: scope:[__start] from __start::@2
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idx#13 = phi( __start::@2/idx#6 )
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idx#7 = idx#13
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return
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to:@return
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SYMBOL TABLE SSA
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__constant struct Point $0 = { x: 1, y: 2 }
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__constant struct Point $1 = { x: 3, y: 4 }
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__constant char OFFSET_STRUCT_POINT_X = 0
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__constant char OFFSET_STRUCT_POINT_Y = 1
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__constant char * const SCREEN = (char *)$400
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__constant char SIZEOF_STRUCT_POINT = 2
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void __start()
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char idx
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char idx#0
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char idx#1
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char idx#10
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char idx#11
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char idx#12
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char idx#13
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char idx#14
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char idx#15
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char idx#16
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char idx#2
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char idx#3
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char idx#4
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char idx#5
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char idx#6
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char idx#7
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char idx#8
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char idx#9
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void main()
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bool main::$1
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number main::$2
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number main::$3
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char main::$4
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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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__constant struct Point points[2] = { fill( 2, 0) }
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void print(char p_x , char p_y)
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struct Point print::p
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char print::p_x
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char print::p_x#0
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char print::p_x#1
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char print::p_y
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char print::p_y#0
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char print::p_y#1
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Adding number conversion cast (unumber) 0 in main::$2 = 0 * SIZEOF_STRUCT_POINT
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Adding number conversion cast (unumber) main::$2 in main::$2 = (unumber)0 * SIZEOF_STRUCT_POINT
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Adding number conversion cast (unumber) 1 in main::$3 = 1 * SIZEOF_STRUCT_POINT
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Adding number conversion cast (unumber) main::$3 in main::$3 = (unumber)1 * SIZEOF_STRUCT_POINT
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Successful SSA optimization PassNAddNumberTypeConversions
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Simplifying constant pointer cast (char *) 1024
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Simplifying constant integer cast 0
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Simplifying constant integer cast 1
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Successful SSA optimization PassNCastSimplification
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Finalized unsigned number type (char) 0
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Finalized unsigned number type (char) 1
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Inferred type updated to char in main::$2 = 0 * SIZEOF_STRUCT_POINT
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Inferred type updated to char in main::$3 = 1 * SIZEOF_STRUCT_POINT
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Alias main::i#2 = main::i#3
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Alias idx#0 = idx#8 idx#9 idx#1
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Alias idx#11 = idx#3 idx#4
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Alias idx#15 = idx#5
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Alias idx#12 = idx#6 idx#13 idx#7
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Successful SSA optimization Pass2AliasElimination
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Identical Phi Values idx#16 idx#15
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Identical Phi Values idx#0 idx#11
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Identical Phi Values print::p_x#1 print::p_x#0
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Identical Phi Values idx#10 idx#14
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Identical Phi Values print::p_y#1 print::p_y#0
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Identical Phi Values idx#12 idx#0
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Successful SSA optimization Pass2IdenticalPhiElimination
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Simple Condition main::$1 [14] if(main::i#1!=rangelast(0,1)) goto main::@1
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Successful SSA optimization Pass2ConditionalJumpSimplification
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Constant right-side identified [1] main::$2 = 0 * SIZEOF_STRUCT_POINT
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Constant right-side identified [3] main::$3 = 1 * SIZEOF_STRUCT_POINT
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Successful SSA optimization Pass2ConstantRValueConsolidation
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Constant main::$2 = 0*SIZEOF_STRUCT_POINT
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Constant main::$3 = 1*SIZEOF_STRUCT_POINT
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Constant main::i#0 = 0
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Constant idx#15 = 0
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Successful SSA optimization Pass2ConstantIdentification
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Resolved ranged next value [12] main::i#1 = ++ main::i#2 to ++
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Resolved ranged comparison value [14] if(main::i#1!=rangelast(0,1)) goto main::@1 to 2
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Simplifying constant evaluating to zero 0*SIZEOF_STRUCT_POINT in
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Successful SSA optimization PassNSimplifyConstantZero
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Simplifying expression containing zero points in [2] points[main::$2] = memcpy(*(&$0), struct Point, SIZEOF_STRUCT_POINT)
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Simplifying expression containing zero (char *)points in [8] print::p_x#0 = ((char *)points+OFFSET_STRUCT_POINT_X)[main::$4]
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Successful SSA optimization PassNSimplifyExpressionWithZero
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Eliminating unused constant main::$2
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Eliminating unused constant OFFSET_STRUCT_POINT_X
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Successful SSA optimization PassNEliminateUnusedVars
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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::__init1
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Removing unused procedure block __start::@1
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Removing unused procedure block __start::@2
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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) 2 in [8] if(main::i#1!=2) goto main::@1
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Successful SSA optimization PassNAddNumberTypeConversions
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Simplifying constant integer cast 2
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Successful SSA optimization PassNCastSimplification
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Finalized unsigned number type (char) 2
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Rewriting multiplication to use shift [3] main::$4 = main::i#2 * SIZEOF_STRUCT_POINT
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Successful SSA optimization Pass2MultiplyToShiftRewriting
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Inlining constant with var siblings main::i#0
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Inlining constant with var siblings idx#15
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Constant inlined main::i#0 = 0
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Constant inlined main::$3 = 1*SIZEOF_STRUCT_POINT
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Constant inlined idx#15 = 0
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Successful SSA optimization Pass2ConstantInlining
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Consolidated array index constant in *(points+1*SIZEOF_STRUCT_POINT)
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Successful SSA optimization Pass2ConstantAdditionElimination
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Finalized unsigned number type (char) 2
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Finalized unsigned number type (char) 2
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Added new block during phi lifting main::@3(between main::@2 and main::@1)
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CALL GRAPH
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Calls in [main] to print:6
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Created 2 initial phi equivalence classes
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Coalesced [10] main::i#4 = main::i#1
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Coalesced [11] idx#17 = idx#11
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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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FINAL CONTROL FLOW GRAPH
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void main()
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main: scope:[main] from
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[0] *points = memcpy(*(&$0), struct Point, SIZEOF_STRUCT_POINT)
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[1] *(points+1*SIZEOF_STRUCT_POINT) = memcpy(*(&$1), struct Point, SIZEOF_STRUCT_POINT)
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to:main::@1
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main::@1: scope:[main] from main main::@2
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[2] idx#14 = phi( main/0, main::@2/idx#11 )
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[2] main::i#2 = phi( main/0, main::@2/main::i#1 )
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[3] main::$4 = main::i#2 << 1
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[4] print::p_x#0 = ((char *)points)[main::$4]
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[5] print::p_y#0 = ((char *)points+OFFSET_STRUCT_POINT_Y)[main::$4]
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[6] call print
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to:main::@2
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main::@2: scope:[main] from main::@1
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[7] main::i#1 = ++ main::i#2
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[8] if(main::i#1!=2) 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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[9] return
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to:@return
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void print(char p_x , char p_y)
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print: scope:[print] from main::@1
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[10] SCREEN[idx#14] = print::p_x#0
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[11] idx#2 = ++ idx#14
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[12] SCREEN[idx#2] = print::p_y#0
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[13] idx#11 = ++ idx#2
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to:print::@return
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print::@return: scope:[print] from print
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[14] return
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to:@return
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VARIABLE REGISTER WEIGHTS
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char idx
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char idx#11 // 22.4
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char idx#14 // 42.599999999999994
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char idx#2 // 151.5
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void main()
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char main::$4 // 16.5
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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 // 6.6000000000000005
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void print(char p_x , char p_y)
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struct Point print::p
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char print::p_x
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char print::p_x#0 // 56.0
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char print::p_y
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char print::p_y#0 // 37.33333333333333
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Initial phi equivalence classes
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[ main::i#2 main::i#1 ]
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[ idx#14 idx#11 ]
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Added variable main::$4 to live range equivalence class [ main::$4 ]
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Added variable print::p_x#0 to live range equivalence class [ print::p_x#0 ]
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Added variable print::p_y#0 to live range equivalence class [ print::p_y#0 ]
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Added variable idx#2 to live range equivalence class [ idx#2 ]
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Complete equivalence classes
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[ main::i#2 main::i#1 ]
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[ idx#14 idx#11 ]
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[ main::$4 ]
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[ print::p_x#0 ]
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[ print::p_y#0 ]
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[ idx#2 ]
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Allocated zp[1]:2 [ main::i#2 main::i#1 ]
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Allocated zp[1]:3 [ idx#14 idx#11 ]
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Allocated zp[1]:4 [ main::$4 ]
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Allocated zp[1]:5 [ print::p_x#0 ]
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Allocated zp[1]:6 [ print::p_y#0 ]
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Allocated zp[1]:7 [ idx#2 ]
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REGISTER UPLIFT POTENTIAL REGISTERS
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Statement [0] *points = memcpy(*(&$0), struct Point, SIZEOF_STRUCT_POINT) [ ] ( [ ] { } ) always clobbers reg byte a reg byte y
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Statement [1] *(points+1*SIZEOF_STRUCT_POINT) = memcpy(*(&$1), struct Point, SIZEOF_STRUCT_POINT) [ ] ( [ ] { } ) always clobbers reg byte a reg byte y
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Statement [3] main::$4 = main::i#2 << 1 [ main::i#2 idx#14 main::$4 ] ( [ main::i#2 idx#14 main::$4 ] { } ) always clobbers reg byte a
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Removing always clobbered register reg byte a as potential for zp[1]:2 [ main::i#2 main::i#1 ]
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Removing always clobbered register reg byte a as potential for zp[1]:3 [ idx#14 idx#11 ]
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Statement [0] *points = memcpy(*(&$0), struct Point, SIZEOF_STRUCT_POINT) [ ] ( [ ] { } ) always clobbers reg byte a reg byte y
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Statement [1] *(points+1*SIZEOF_STRUCT_POINT) = memcpy(*(&$1), struct Point, SIZEOF_STRUCT_POINT) [ ] ( [ ] { } ) always clobbers reg byte a reg byte y
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Statement [3] main::$4 = main::i#2 << 1 [ main::i#2 idx#14 main::$4 ] ( [ main::i#2 idx#14 main::$4 ] { } ) always clobbers reg byte a
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Potential registers zp[1]:2 [ main::i#2 main::i#1 ] : zp[1]:2 , reg byte x , reg byte y ,
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Potential registers zp[1]:3 [ idx#14 idx#11 ] : zp[1]:3 , reg byte x , reg byte y ,
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Potential registers zp[1]:4 [ main::$4 ] : zp[1]:4 , reg byte a , reg byte x , reg byte y ,
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Potential registers zp[1]:5 [ print::p_x#0 ] : zp[1]:5 , reg byte a , reg byte x , reg byte y ,
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Potential registers zp[1]:6 [ print::p_y#0 ] : zp[1]:6 , reg byte a , reg byte x , reg byte y ,
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Potential registers zp[1]:7 [ idx#2 ] : zp[1]:7 , reg byte a , reg byte x , reg byte y ,
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REGISTER UPLIFT SCOPES
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Uplift Scope [] 151.5: zp[1]:7 [ idx#2 ] 65: zp[1]:3 [ idx#14 idx#11 ]
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Uplift Scope [print] 56: zp[1]:5 [ print::p_x#0 ] 37.33: zp[1]:6 [ print::p_y#0 ]
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Uplift Scope [main] 23.1: zp[1]:2 [ main::i#2 main::i#1 ] 16.5: zp[1]:4 [ main::$4 ]
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Uplift Scope [Point]
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Uplifting [] best 732 combination reg byte x [ idx#2 ] reg byte x [ idx#14 idx#11 ]
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Uplifting [print] best 732 combination zp[1]:5 [ print::p_x#0 ] zp[1]:6 [ print::p_y#0 ]
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Uplifting [main] best 662 combination zp[1]:2 [ main::i#2 main::i#1 ] reg byte y [ main::$4 ]
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Uplifting [Point] best 662 combination
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Attempting to uplift remaining variables inzp[1]:5 [ print::p_x#0 ]
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Uplifting [print] best 662 combination zp[1]:5 [ print::p_x#0 ]
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Attempting to uplift remaining variables inzp[1]:6 [ print::p_y#0 ]
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Uplifting [print] best 651 combination reg byte y [ print::p_y#0 ]
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Attempting to uplift remaining variables inzp[1]:2 [ main::i#2 main::i#1 ]
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Uplifting [main] best 651 combination zp[1]:2 [ main::i#2 main::i#1 ]
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Allocated (was zp[1]:5) zp[1]:3 [ print::p_x#0 ]
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ASSEMBLER BEFORE OPTIMIZATION
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// File Comments
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// Demonstrates problem with passing struct array element as parameter to call
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// Upstart
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// Commodore 64 PRG executable file
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.file [name="struct-ptr-18.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 SIZEOF_STRUCT_POINT = 2
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.const OFFSET_STRUCT_POINT_Y = 1
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.label SCREEN = $400
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.segment Code
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// main
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main: {
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.label i = 2
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// [0] *points = memcpy(*(&$0), struct Point, SIZEOF_STRUCT_POINT) -- _deref_pssc1=_deref_pssc2_memcpy_vbuc3
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ldy #SIZEOF_STRUCT_POINT
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!:
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lda __0-1,y
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sta points-1,y
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dey
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bne !-
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// [1] *(points+1*SIZEOF_STRUCT_POINT) = memcpy(*(&$1), struct Point, SIZEOF_STRUCT_POINT) -- _deref_pssc1=_deref_pssc2_memcpy_vbuc3
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ldy #SIZEOF_STRUCT_POINT
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!:
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lda __1-1,y
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sta points+1*SIZEOF_STRUCT_POINT-1,y
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dey
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bne !-
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// [2] phi from main to main::@1 [phi:main->main::@1]
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__b1_from_main:
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// [2] phi idx#14 = 0 [phi:main->main::@1#0] -- vbuxx=vbuc1
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ldx #0
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// [2] phi main::i#2 = 0 [phi:main->main::@1#1] -- vbuz1=vbuc1
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lda #0
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sta.z i
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jmp __b1
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// [2] phi from main::@2 to main::@1 [phi:main::@2->main::@1]
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__b1_from___b2:
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// [2] phi idx#14 = idx#11 [phi:main::@2->main::@1#0] -- register_copy
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// [2] 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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// [3] main::$4 = main::i#2 << 1 -- vbuyy=vbuz1_rol_1
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lda.z i
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asl
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tay
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// [4] print::p_x#0 = ((char *)points)[main::$4] -- vbuz1=pbuc1_derefidx_vbuyy
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lda points,y
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sta.z print.p_x
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// [5] print::p_y#0 = ((char *)points+OFFSET_STRUCT_POINT_Y)[main::$4] -- vbuyy=pbuc1_derefidx_vbuyy
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lda points+OFFSET_STRUCT_POINT_Y,y
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tay
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// [6] call print
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jsr print
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jmp __b2
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// main::@2
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__b2:
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// [7] main::i#1 = ++ main::i#2 -- vbuz1=_inc_vbuz1
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inc.z i
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// [8] if(main::i#1!=2) goto main::@1 -- vbuz1_neq_vbuc1_then_la1
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lda #2
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cmp.z i
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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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// [9] return
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rts
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}
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// print
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// void print(__zp(3) char p_x, __register(Y) char p_y)
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print: {
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.label p_x = 3
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// [10] SCREEN[idx#14] = print::p_x#0 -- pbuc1_derefidx_vbuxx=vbuz1
|
|
lda.z p_x
|
|
sta SCREEN,x
|
|
// [11] idx#2 = ++ idx#14 -- vbuxx=_inc_vbuxx
|
|
inx
|
|
// [12] SCREEN[idx#2] = print::p_y#0 -- pbuc1_derefidx_vbuxx=vbuyy
|
|
tya
|
|
sta SCREEN,x
|
|
// [13] idx#11 = ++ idx#2 -- vbuxx=_inc_vbuxx
|
|
inx
|
|
jmp __breturn
|
|
// print::@return
|
|
__breturn:
|
|
// [14] return
|
|
rts
|
|
}
|
|
// File Data
|
|
.segment Data
|
|
points: .fill 2*2, 0
|
|
__0: .byte 1, 2
|
|
__1: .byte 3, 4
|
|
|
|
ASSEMBLER OPTIMIZATIONS
|
|
Removing instruction jmp __b1
|
|
Removing instruction jmp __b2
|
|
Removing instruction jmp __breturn
|
|
Removing instruction jmp __breturn
|
|
Succesful ASM optimization Pass5NextJumpElimination
|
|
Replacing instruction lda #0 with TXA
|
|
Replacing label __b1_from___b2 with __b1
|
|
Removing instruction __b1_from___b2:
|
|
Succesful ASM optimization Pass5RedundantLabelElimination
|
|
Removing instruction __b1_from_main:
|
|
Removing instruction __b2:
|
|
Removing instruction __breturn:
|
|
Removing instruction __breturn:
|
|
Succesful ASM optimization Pass5UnusedLabelElimination
|
|
Removing instruction jmp __b1
|
|
Succesful ASM optimization Pass5NextJumpElimination
|
|
|
|
FINAL SYMBOL TABLE
|
|
__constant struct Point $0 = { x: 1, y: 2 }
|
|
__constant struct Point $1 = { x: 3, y: 4 }
|
|
__constant char OFFSET_STRUCT_POINT_Y = 1
|
|
__constant char * const SCREEN = (char *) 1024
|
|
__constant char SIZEOF_STRUCT_POINT = 2
|
|
char idx
|
|
char idx#11 // reg byte x 22.4
|
|
char idx#14 // reg byte x 42.599999999999994
|
|
char idx#2 // reg byte x 151.5
|
|
void main()
|
|
char main::$4 // reg byte y 16.5
|
|
char main::i
|
|
char main::i#1 // i zp[1]:2 16.5
|
|
char main::i#2 // i zp[1]:2 6.6000000000000005
|
|
__constant struct Point points[2] = { fill( 2, 0) }
|
|
void print(char p_x , char p_y)
|
|
struct Point print::p
|
|
char print::p_x
|
|
char print::p_x#0 // p_x zp[1]:3 56.0
|
|
char print::p_y
|
|
char print::p_y#0 // reg byte y 37.33333333333333
|
|
|
|
zp[1]:2 [ main::i#2 main::i#1 ]
|
|
reg byte x [ idx#14 idx#11 ]
|
|
reg byte y [ main::$4 ]
|
|
zp[1]:3 [ print::p_x#0 ]
|
|
reg byte y [ print::p_y#0 ]
|
|
reg byte x [ idx#2 ]
|
|
|
|
|
|
FINAL ASSEMBLER
|
|
Score: 528
|
|
|
|
// File Comments
|
|
// Demonstrates problem with passing struct array element as parameter to call
|
|
// Upstart
|
|
// Commodore 64 PRG executable file
|
|
.file [name="struct-ptr-18.prg", type="prg", segments="Program"]
|
|
.segmentdef Program [segments="Basic, Code, Data"]
|
|
.segmentdef Basic [start=$0801]
|
|
.segmentdef Code [start=$80d]
|
|
.segmentdef Data [startAfter="Code"]
|
|
.segment Basic
|
|
:BasicUpstart(main)
|
|
// Global Constants & labels
|
|
.const SIZEOF_STRUCT_POINT = 2
|
|
.const OFFSET_STRUCT_POINT_Y = 1
|
|
.label SCREEN = $400
|
|
.segment Code
|
|
// main
|
|
main: {
|
|
.label i = 2
|
|
// points[0] = { 1, 2 }
|
|
// [0] *points = memcpy(*(&$0), struct Point, SIZEOF_STRUCT_POINT) -- _deref_pssc1=_deref_pssc2_memcpy_vbuc3
|
|
ldy #SIZEOF_STRUCT_POINT
|
|
!:
|
|
lda __0-1,y
|
|
sta points-1,y
|
|
dey
|
|
bne !-
|
|
// points[1] = { 3, 4 }
|
|
// [1] *(points+1*SIZEOF_STRUCT_POINT) = memcpy(*(&$1), struct Point, SIZEOF_STRUCT_POINT) -- _deref_pssc1=_deref_pssc2_memcpy_vbuc3
|
|
ldy #SIZEOF_STRUCT_POINT
|
|
!:
|
|
lda __1-1,y
|
|
sta points+1*SIZEOF_STRUCT_POINT-1,y
|
|
dey
|
|
bne !-
|
|
// [2] phi from main to main::@1 [phi:main->main::@1]
|
|
// [2] phi idx#14 = 0 [phi:main->main::@1#0] -- vbuxx=vbuc1
|
|
ldx #0
|
|
// [2] phi main::i#2 = 0 [phi:main->main::@1#1] -- vbuz1=vbuc1
|
|
txa
|
|
sta.z i
|
|
// [2] phi from main::@2 to main::@1 [phi:main::@2->main::@1]
|
|
// [2] phi idx#14 = idx#11 [phi:main::@2->main::@1#0] -- register_copy
|
|
// [2] phi main::i#2 = main::i#1 [phi:main::@2->main::@1#1] -- register_copy
|
|
// main::@1
|
|
__b1:
|
|
// print(points[i])
|
|
// [3] main::$4 = main::i#2 << 1 -- vbuyy=vbuz1_rol_1
|
|
lda.z i
|
|
asl
|
|
tay
|
|
// [4] print::p_x#0 = ((char *)points)[main::$4] -- vbuz1=pbuc1_derefidx_vbuyy
|
|
lda points,y
|
|
sta.z print.p_x
|
|
// [5] print::p_y#0 = ((char *)points+OFFSET_STRUCT_POINT_Y)[main::$4] -- vbuyy=pbuc1_derefidx_vbuyy
|
|
lda points+OFFSET_STRUCT_POINT_Y,y
|
|
tay
|
|
// [6] call print
|
|
jsr print
|
|
// main::@2
|
|
// for ( char i: 0..1)
|
|
// [7] main::i#1 = ++ main::i#2 -- vbuz1=_inc_vbuz1
|
|
inc.z i
|
|
// [8] if(main::i#1!=2) goto main::@1 -- vbuz1_neq_vbuc1_then_la1
|
|
lda #2
|
|
cmp.z i
|
|
bne __b1
|
|
// main::@return
|
|
// }
|
|
// [9] return
|
|
rts
|
|
}
|
|
// print
|
|
// void print(__zp(3) char p_x, __register(Y) char p_y)
|
|
print: {
|
|
.label p_x = 3
|
|
// SCREEN[idx++] = p.x
|
|
// [10] SCREEN[idx#14] = print::p_x#0 -- pbuc1_derefidx_vbuxx=vbuz1
|
|
lda.z p_x
|
|
sta SCREEN,x
|
|
// SCREEN[idx++] = p.x;
|
|
// [11] idx#2 = ++ idx#14 -- vbuxx=_inc_vbuxx
|
|
inx
|
|
// SCREEN[idx++] = p.y
|
|
// [12] SCREEN[idx#2] = print::p_y#0 -- pbuc1_derefidx_vbuxx=vbuyy
|
|
tya
|
|
sta SCREEN,x
|
|
// SCREEN[idx++] = p.y;
|
|
// [13] idx#11 = ++ idx#2 -- vbuxx=_inc_vbuxx
|
|
inx
|
|
// print::@return
|
|
// }
|
|
// [14] return
|
|
rts
|
|
}
|
|
// File Data
|
|
.segment Data
|
|
points: .fill 2*2, 0
|
|
__0: .byte 1, 2
|
|
__1: .byte 3, 4
|
|
|