mirror of
https://gitlab.com/camelot/kickc.git
synced 2024-09-29 03:56:15 +00:00
491 lines
14 KiB
Plaintext
491 lines
14 KiB
Plaintext
Resolved forward reference irq to interrupt(KERNEL_MIN)(void()) irq()
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CONTROL FLOW GRAPH SSA
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@begin: scope:[] from
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(volatile byte) col ← (byte) 0
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to:@1
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(void()) main()
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main: scope:[main] from @1
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*((const nomodify void()**) KERNEL_IRQ) ← &interrupt(KERNEL_MIN)(void()) irq()
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to:main::@1
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main::@1: scope:[main] from main main::@2 main::@3
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if(true) goto main::@2
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to:main::@return
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main::@2: scope:[main] from main::@1
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(bool~) main::$0 ← (volatile byte) col > (number) $a
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(bool~) main::$1 ← ! (bool~) main::$0
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if((bool~) main::$1) goto main::@1
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to:main::@3
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main::@3: scope:[main] from main::@2
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(volatile byte) col ← (number) 0
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to:main::@1
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main::@return: scope:[main] from main::@1
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return
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to:@return
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interrupt(KERNEL_MIN)(void()) irq()
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irq: scope:[irq] from
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asm { lda$dc0d }
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*((const nomodify byte*) BG_COLOR) ← (volatile byte) col
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(bool~) irq::$0 ← (volatile byte) col != (number) 0
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if((bool~) irq::$0) goto irq::@1
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to:irq::@2
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irq::@1: scope:[irq] from irq
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(volatile byte) col ← ++ (volatile byte) col
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to:irq::@return
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irq::@2: scope:[irq] from irq
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(volatile byte) col ← (volatile byte) col + (number) 2
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to:irq::@return
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irq::@return: scope:[irq] from irq::@1 irq::@2
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return
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to:@return
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@1: scope:[] from @begin
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call main
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to:@2
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@2: scope:[] from @1
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to:@end
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@end: scope:[] from @2
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SYMBOL TABLE SSA
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(label) @1
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(label) @2
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(label) @begin
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(label) @end
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(const nomodify byte*) BG_COLOR = (byte*)(number) $d020
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(const nomodify void()**) KERNEL_IRQ = (void()**)(number) $314
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(volatile byte) col loadstore
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interrupt(KERNEL_MIN)(void()) irq()
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(bool~) irq::$0
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(label) irq::@1
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(label) irq::@2
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(label) irq::@return
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(void()) main()
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(bool~) main::$0
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(bool~) main::$1
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(label) main::@1
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(label) main::@2
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(label) main::@3
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(label) main::@return
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Adding number conversion cast (unumber) $a in (bool~) main::$0 ← (volatile byte) col > (number) $a
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Adding number conversion cast (unumber) 0 in (volatile byte) col ← (number) 0
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Adding number conversion cast (unumber) 0 in (bool~) irq::$0 ← (volatile byte) col != (number) 0
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Adding number conversion cast (unumber) 2 in (volatile byte) col ← (volatile byte) col + (number) 2
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Successful SSA optimization PassNAddNumberTypeConversions
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Inlining cast (volatile byte) col ← (unumber)(number) 0
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Successful SSA optimization Pass2InlineCast
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Simplifying constant pointer cast (void()**) 788
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Simplifying constant pointer cast (byte*) 53280
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Simplifying constant integer cast $a
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Simplifying constant integer cast 0
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Simplifying constant integer cast 0
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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 (byte) $a
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Finalized unsigned number type (byte) 0
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Finalized unsigned number type (byte) 0
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Finalized unsigned number type (byte) 2
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Inversing boolean not [4] (bool~) main::$1 ← (volatile byte) col <= (byte) $a from [3] (bool~) main::$0 ← (volatile byte) col > (byte) $a
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Successful SSA optimization Pass2UnaryNotSimplification
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Simple Condition (bool~) main::$1 [4] if((volatile byte) col<=(byte) $a) goto main::@1
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Simple Condition (bool~) irq::$0 [10] if((volatile byte) col!=(byte) 0) goto irq::@1
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Successful SSA optimization Pass2ConditionalJumpSimplification
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if() condition always true - replacing block destination [2] if(true) goto main::@2
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Successful SSA optimization Pass2ConstantIfs
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Rewriting conditional comparison [4] if((volatile byte) col<=(byte) $a) goto main::@1
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Removing unused block main::@return
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Successful SSA optimization Pass2EliminateUnusedBlocks
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Adding number conversion cast (unumber) $a+1 in if((volatile byte) col<(byte) $a+(number) 1) goto main::@1
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Adding number conversion cast (unumber) 1 in if((volatile byte) col<(unumber)(byte) $a+(number) 1) goto main::@1
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Successful SSA optimization PassNAddNumberTypeConversions
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Simplifying constant integer cast (byte) $a+(unumber)(number) 1
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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 (byte) 1
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Successful SSA optimization PassNFinalizeNumberTypeConversions
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Adding NOP phi() at start of @1
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Adding NOP phi() at start of @2
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Adding NOP phi() at start of @end
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Adding NOP phi() at start of main::@1
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CALL GRAPH
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Calls in [] to main:2
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Created 0 initial phi equivalence classes
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Coalesced down to 0 phi equivalence classes
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Culled Empty Block (label) @2
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Culled Empty Block (label) main::@1
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Renumbering block main::@2 to main::@1
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Renumbering block main::@3 to main::@2
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Adding NOP phi() at start of @1
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Adding NOP phi() at start of @end
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FINAL CONTROL FLOW GRAPH
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@begin: scope:[] from
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[0] (volatile byte) col ← (byte) 0
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to:@1
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@1: scope:[] from @begin
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[1] phi()
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[2] call main
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to:@end
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@end: scope:[] from @1
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[3] phi()
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(void()) main()
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main: scope:[main] from @1
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[4] *((const nomodify void()**) KERNEL_IRQ) ← &interrupt(KERNEL_MIN)(void()) irq()
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to:main::@1
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main::@1: scope:[main] from main main::@1 main::@2
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[5] if((volatile byte) col<(byte) $a+(byte) 1) goto main::@1
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to:main::@2
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main::@2: scope:[main] from main::@1
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[6] (volatile byte) col ← (byte) 0
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to:main::@1
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interrupt(KERNEL_MIN)(void()) irq()
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irq: scope:[irq] from
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asm { lda$dc0d }
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[8] *((const nomodify byte*) BG_COLOR) ← (volatile byte) col
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[9] if((volatile byte) col!=(byte) 0) goto irq::@1
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to:irq::@2
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irq::@2: scope:[irq] from irq
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[10] (volatile byte) col ← (volatile byte) col + (byte) 2
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to:irq::@return
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irq::@return: scope:[irq] from irq::@1 irq::@2
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[11] return
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to:@return
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irq::@1: scope:[irq] from irq
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[12] (volatile byte) col ← ++ (volatile byte) col
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to:irq::@return
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VARIABLE REGISTER WEIGHTS
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(volatile byte) col loadstore 139.5
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interrupt(KERNEL_MIN)(void()) irq()
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(void()) main()
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Initial phi equivalence classes
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Added variable col to live range equivalence class [ col ]
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Complete equivalence classes
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[ col ]
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Allocated zp[1]:2 [ col ]
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INITIAL ASM
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Target platform is c64basic / MOS6502X
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// File Comments
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// Tests that volatile variables can be both read & written inside & outside interrupts
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// Currently fails because the modification is optimized away
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// Upstart
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.pc = $801 "Basic"
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:BasicUpstart(__bbegin)
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.pc = $80d "Program"
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// Global Constants & labels
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.label KERNEL_IRQ = $314
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.label BG_COLOR = $d020
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.label col = 2
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// @begin
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__bbegin:
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// [0] (volatile byte) col ← (byte) 0 -- vbuz1=vbuc1
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lda #0
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sta.z col
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// [1] phi from @begin to @1 [phi:@begin->@1]
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__b1_from___bbegin:
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jmp __b1
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// @1
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__b1:
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// [2] call main
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jsr main
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// [3] phi from @1 to @end [phi:@1->@end]
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__bend_from___b1:
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jmp __bend
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// @end
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__bend:
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// main
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main: {
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// [4] *((const nomodify void()**) KERNEL_IRQ) ← &interrupt(KERNEL_MIN)(void()) irq() -- _deref_pptc1=pprc2
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lda #<irq
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sta KERNEL_IRQ
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lda #>irq
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sta KERNEL_IRQ+1
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jmp __b1
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// main::@1
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__b1:
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// [5] if((volatile byte) col<(byte) $a+(byte) 1) goto main::@1 -- vbuz1_lt_vbuc1_then_la1
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lda.z col
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cmp #$a+1
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bcc __b1
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jmp __b2
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// main::@2
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__b2:
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// [6] (volatile byte) col ← (byte) 0 -- vbuz1=vbuc1
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lda #0
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sta.z col
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jmp __b1
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}
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// irq
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irq: {
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// entry interrupt(KERNEL_MIN)
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// asm { lda$dc0d }
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lda $dc0d
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// [8] *((const nomodify byte*) BG_COLOR) ← (volatile byte) col -- _deref_pbuc1=vbuz1
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lda.z col
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sta BG_COLOR
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// [9] if((volatile byte) col!=(byte) 0) goto irq::@1 -- vbuz1_neq_0_then_la1
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lda.z col
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cmp #0
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bne __b1
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jmp __b2
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// irq::@2
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__b2:
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// [10] (volatile byte) col ← (volatile byte) col + (byte) 2 -- vbuz1=vbuz1_plus_2
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lda.z col
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clc
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adc #2
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sta.z col
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jmp __breturn
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// irq::@return
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__breturn:
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// [11] return - exit interrupt(KERNEL_MIN)
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jmp $ea81
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// irq::@1
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__b1:
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// [12] (volatile byte) col ← ++ (volatile byte) col -- vbuz1=_inc_vbuz1
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inc.z col
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jmp __breturn
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}
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// File Data
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REGISTER UPLIFT POTENTIAL REGISTERS
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Statement [0] (volatile byte) col ← (byte) 0 [ col ] ( [ col ] { } ) always clobbers reg byte a
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Statement [4] *((const nomodify void()**) KERNEL_IRQ) ← &interrupt(KERNEL_MIN)(void()) irq() [ col ] ( main:2 [ col ] { } ) always clobbers reg byte a
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Statement [5] if((volatile byte) col<(byte) $a+(byte) 1) goto main::@1 [ col ] ( main:2 [ col ] { } ) always clobbers reg byte a
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Statement [6] (volatile byte) col ← (byte) 0 [ col ] ( main:2 [ col ] { } ) always clobbers reg byte a
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Statement asm { lda$dc0d } always clobbers reg byte a
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Statement [8] *((const nomodify byte*) BG_COLOR) ← (volatile byte) col [ col ] ( [ col ] { } ) always clobbers reg byte a
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Statement [9] if((volatile byte) col!=(byte) 0) goto irq::@1 [ col ] ( [ col ] { } ) always clobbers reg byte a
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Statement [10] (volatile byte) col ← (volatile byte) col + (byte) 2 [ ] ( [ ] { } ) always clobbers reg byte a
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Potential registers zp[1]:2 [ col ] : zp[1]:2 ,
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REGISTER UPLIFT SCOPES
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Uplift Scope [] 139.5: zp[1]:2 [ col ]
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Uplift Scope [main]
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Uplift Scope [irq]
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Uplifting [] best 1207 combination zp[1]:2 [ col ]
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Uplifting [main] best 1207 combination
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Uplifting [irq] best 1207 combination
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Attempting to uplift remaining variables inzp[1]:2 [ col ]
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Uplifting [] best 1207 combination zp[1]:2 [ col ]
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ASSEMBLER BEFORE OPTIMIZATION
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// File Comments
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// Tests that volatile variables can be both read & written inside & outside interrupts
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// Currently fails because the modification is optimized away
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// Upstart
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.pc = $801 "Basic"
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:BasicUpstart(__bbegin)
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.pc = $80d "Program"
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// Global Constants & labels
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.label KERNEL_IRQ = $314
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.label BG_COLOR = $d020
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.label col = 2
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// @begin
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__bbegin:
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// [0] (volatile byte) col ← (byte) 0 -- vbuz1=vbuc1
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lda #0
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sta.z col
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// [1] phi from @begin to @1 [phi:@begin->@1]
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__b1_from___bbegin:
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jmp __b1
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// @1
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__b1:
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// [2] call main
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jsr main
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// [3] phi from @1 to @end [phi:@1->@end]
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__bend_from___b1:
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jmp __bend
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// @end
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__bend:
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// main
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main: {
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// [4] *((const nomodify void()**) KERNEL_IRQ) ← &interrupt(KERNEL_MIN)(void()) irq() -- _deref_pptc1=pprc2
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lda #<irq
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sta KERNEL_IRQ
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lda #>irq
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sta KERNEL_IRQ+1
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jmp __b1
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// main::@1
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__b1:
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// [5] if((volatile byte) col<(byte) $a+(byte) 1) goto main::@1 -- vbuz1_lt_vbuc1_then_la1
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lda.z col
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cmp #$a+1
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bcc __b1
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jmp __b2
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// main::@2
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__b2:
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// [6] (volatile byte) col ← (byte) 0 -- vbuz1=vbuc1
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lda #0
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sta.z col
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jmp __b1
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}
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// irq
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irq: {
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// entry interrupt(KERNEL_MIN)
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// asm { lda$dc0d }
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lda $dc0d
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// [8] *((const nomodify byte*) BG_COLOR) ← (volatile byte) col -- _deref_pbuc1=vbuz1
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lda.z col
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sta BG_COLOR
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// [9] if((volatile byte) col!=(byte) 0) goto irq::@1 -- vbuz1_neq_0_then_la1
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lda.z col
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cmp #0
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bne __b1
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jmp __b2
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// irq::@2
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__b2:
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// [10] (volatile byte) col ← (volatile byte) col + (byte) 2 -- vbuz1=vbuz1_plus_2
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lda.z col
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clc
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adc #2
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sta.z col
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jmp __breturn
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// irq::@return
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__breturn:
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// [11] return - exit interrupt(KERNEL_MIN)
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jmp $ea81
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// irq::@1
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__b1:
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// [12] (volatile byte) col ← ++ (volatile byte) col -- vbuz1=_inc_vbuz1
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inc.z col
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jmp __breturn
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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 __bend
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Removing instruction jmp __b1
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Removing instruction jmp __b2
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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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Removing instruction __b1_from___bbegin:
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Removing instruction __bend_from___b1:
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Succesful ASM optimization Pass5RedundantLabelElimination
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Removing instruction __b1:
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Removing instruction __bend:
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Removing instruction __b2:
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Removing instruction __b2:
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Succesful ASM optimization Pass5UnusedLabelElimination
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Skipping double jump to $ea81 in jmp __breturn
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Succesful ASM optimization Pass5DoubleJumpElimination
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Adding RTS to root block
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Succesful ASM optimization Pass5AddMainRts
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Removing instruction lda.z col
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Succesful ASM optimization Pass5UnnecesaryLoadElimination
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Removing instruction __breturn:
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Succesful ASM optimization Pass5UnusedLabelElimination
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FINAL SYMBOL TABLE
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(label) @1
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(label) @begin
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(label) @end
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(const nomodify byte*) BG_COLOR = (byte*) 53280
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(const nomodify void()**) KERNEL_IRQ = (void()**) 788
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(volatile byte) col loadstore zp[1]:2 139.5
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interrupt(KERNEL_MIN)(void()) irq()
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(label) irq::@1
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(label) irq::@2
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(label) irq::@return
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(void()) main()
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(label) main::@1
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(label) main::@2
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zp[1]:2 [ col ]
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FINAL ASSEMBLER
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Score: 895
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// File Comments
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// Tests that volatile variables can be both read & written inside & outside interrupts
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// Currently fails because the modification is optimized away
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// Upstart
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.pc = $801 "Basic"
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:BasicUpstart(__bbegin)
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.pc = $80d "Program"
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// Global Constants & labels
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.label KERNEL_IRQ = $314
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.label BG_COLOR = $d020
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.label col = 2
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// @begin
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__bbegin:
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// col = 0
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// [0] (volatile byte) col ← (byte) 0 -- vbuz1=vbuc1
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lda #0
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sta.z col
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// [1] phi from @begin to @1 [phi:@begin->@1]
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// @1
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// [2] call main
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jsr main
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rts
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// [3] phi from @1 to @end [phi:@1->@end]
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// @end
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// main
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main: {
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// *KERNEL_IRQ = &irq
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// [4] *((const nomodify void()**) KERNEL_IRQ) ← &interrupt(KERNEL_MIN)(void()) irq() -- _deref_pptc1=pprc2
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lda #<irq
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sta KERNEL_IRQ
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lda #>irq
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sta KERNEL_IRQ+1
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// main::@1
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__b1:
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// if(col>10)
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// [5] if((volatile byte) col<(byte) $a+(byte) 1) goto main::@1 -- vbuz1_lt_vbuc1_then_la1
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lda.z col
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cmp #$a+1
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bcc __b1
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// main::@2
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// col = 0
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// [6] (volatile byte) col ← (byte) 0 -- vbuz1=vbuc1
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lda #0
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sta.z col
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jmp __b1
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}
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// irq
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irq: {
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// entry interrupt(KERNEL_MIN)
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// asm
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// asm { lda$dc0d }
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lda $dc0d
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// *BG_COLOR = col
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// [8] *((const nomodify byte*) BG_COLOR) ← (volatile byte) col -- _deref_pbuc1=vbuz1
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lda.z col
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sta BG_COLOR
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// if(col!=0)
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// [9] if((volatile byte) col!=(byte) 0) goto irq::@1 -- vbuz1_neq_0_then_la1
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lda.z col
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cmp #0
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bne __b1
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// irq::@2
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// col += 2
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// [10] (volatile byte) col ← (volatile byte) col + (byte) 2 -- vbuz1=vbuz1_plus_2
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clc
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adc #2
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sta.z col
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// irq::@return
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// }
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// [11] return - exit interrupt(KERNEL_MIN)
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jmp $ea81
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// irq::@1
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__b1:
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// col++;
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// [12] (volatile byte) col ← ++ (volatile byte) col -- vbuz1=_inc_vbuz1
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inc.z col
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jmp $ea81
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}
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// File Data
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