update of Circus WIP
start of Pyramid wip
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@@ -1,2 +1,161 @@
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; CIRCUS zero-page aliases (declared during Pass 2).
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; These intentionally conservative names will be refined in Passes 2 and 3.
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; CIRCUS application-specific RAM aliases - Pass 2
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; Generated from a complete static trace of direct zero-page accesses.
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; ZpXX names indicate confirmed storage with a role not yet unique enough for a behavioral name.
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Zp00 = $00 ; 24 refs; reads=13; writes=14; ClearInternalRamLoop, InitializeVramQueue, RunMainStateDispatcher
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StateSubstage = $01 ; 14 refs; reads=12; writes=6; SecondaryStateHandlerPointerTable, ContinueStateInitialization, UpdateMenuState_OnNonzero_C237
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Zp01 = $01 ; indexed structure-field alias
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StateTimer = $02 ; 21 refs; reads=13; writes=15; InitializeCurrentScreen, UpdateMenuState, FinishStateHandler
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Zp02 = $02 ; indexed structure-field alias
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Zp03 = $03 ; 25 refs; reads=18; writes=7; FinishStateHandler_OnZero_C2D2, FinishStateHandler_OnNonnegative_C2EB, FinishStateHandler_OnNonzero_C32D
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Zp04 = $04 ; 11 refs; reads=7; writes=8; NmiHandler, FinishNmiPpuUpdates, ResetPpuScroll
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Zp05 = $05 ; 6 refs; reads=4; writes=2; AdvanceRoundTransition_OnZero_C34B, ReadControllers_OnNonzero_C40D, ReadControllers_StoreAndContinue_C444
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Zp06 = $06 ; 2 refs; reads=1; writes=1; ProcessAudioFrame_JoinBranchPaths_F8AD, DecodeAudioStream_OnNotEqualFD_F902
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Zp07 = $07 ; 4 refs; reads=2; writes=2; ReadControllers_StoreAndContinue_C444, ProcessAudioFrame_JoinBranchPaths_F8AD, DecodeAudioStream_OnNotEqualFD_F902
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Zp08 = $08 ; 4 refs; reads=1; writes=3; RequestAudioSequence_OnNonzero_F835, DecodeAudioStream_IncrementAndContinue_F8E1, ExecuteAudioCommand_OnEqual04_FA80
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ControllerEdgeFlags = $09 ; 22 refs; reads=17; writes=6; RunMainStateDispatcher, UpdateMenuState, ReadControllers_CallNext_C64B
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Zp09 = $09 ; indexed structure-field alias
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Zp0A = $0A ; 11 refs; reads=5; writes=6; FinishStateHandler_OnZero_C28F, FinishStateHandler_LoadAndContinue_C2AB, FinishStateHandler_OnNonnegative_C2EB
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Zp0B = $0B ; 4 refs; reads=2; writes=2; FinishStateHandler_OnNonnegative_C2EB, AdvanceRoundTransition_OnZero_C39A, ExecuteAudioCommand_JoinBranchPaths_FA12
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Zp0C = $0C ; 16 refs; reads=12; writes=4; DispatchVariantObjectUpdate_OnZero_D82E, DispatchVariantObjectUpdate_JoinBranchPaths_D88A, DispatchVariantObjectUpdate_OnBelow40_D8B7
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Zp0D = $0D ; 6 refs; reads=5; writes=1; DispatchVariantObjectUpdate_OnZero_DA20, ObjectStateLookupTables_OnNonnegative_F34D, ExecuteAudioCommand_OnZero_F9D1
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Zp0E = $0E ; 7 refs; reads=2; writes=5; UpdateMenuState_OnZero_C22B, FinishStateHandler_OnNonzero_C31B, ReadControllers_OnNonzero_C40D
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Zp0F = $0F ; 18 refs; reads=11; writes=9; ReadControllers_JoinBranchPaths_C8E2, DispatchVariantObjectUpdate_JoinBranchPaths_D971, DispatchVariantObjectUpdate_OnEqualF0_D9E6
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Zp10 = $10 ; 2 refs; reads=1; writes=1; ExecuteAudioCommand_OnNonzero_F99B, ExecuteAudioCommand_OnZero_F9D1
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Zp12 = $12 ; 1 refs; reads=1; writes=0; SetPaletteRamAddress_OnZero_CA29
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Zp1E = $1E ; 2 refs; reads=1; writes=1; RequestAudioSequence, RequestAudioSequence_OnZero_F85D
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Zp23 = $23 ; 1 refs; reads=1; writes=0; SetPaletteRamAddress_LoadAndContinue_CA31
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Zp2F = $2F ; 4 refs; reads=2; writes=2; RequestAudioSequence, RequestAudioSequence_OnNonzero_F835, RequestAudioSequence_OnEqual08_F867
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Zp34 = $34 ; 1 refs; reads=1; writes=0; SetPaletteRamAddress_LoadAndContinue_CA31
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Zp40 = $40 ; 2 refs; reads=1; writes=1; RequestAudioSequence, RequestAudioSequence_JoinBranchPaths_F873
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Zp45 = $45 ; 1 refs; reads=1; writes=0; SetPaletteRamAddress_LoadAndContinue_CA25
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Zp4F = $4F ; 2 refs; reads=1; writes=1; RequestAudioSequence, RequestAudioSequence_JoinBranchPaths_F873
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Zp50 = $50 ; 6 refs; reads=5; writes=2; ReadControllers_LoadAndContinue_C470, ReadControllers_OnNonzero_C480, ReadControllers_OnNonnegative_C591
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Zp51 = $51 ; 5 refs; reads=2; writes=3; SetupScreenPaletteTransfer_LoadIndexAndContinue_CF58, SetupScreenPaletteTransfer_OnZero_D1DC, SetupScreenPaletteTransfer_LoadIndexAndContinue_D1E4
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Zp52 = $52 ; 5 refs; reads=5; writes=0; ObjectStateLookupTables_OnCarrySet_E548, ObjectStateLookupTables_JoinBranchPaths_E581, ObjectStateLookupTables_OnNonnegative_EC68
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PpuCtrlShadow = $53 ; 11 refs; reads=8; writes=3; WriteMaskedPpuControl, InitializeApuAndPpu_LoadAndContinue_C3C1, SetPaletteRamAddress_LoadAndContinue_CA4B
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PpuMaskShadow = $54 ; 3 refs; reads=1; writes=2; ApplyPpuMaskShadow, SetVisiblePpuMask, ConfigurePpuForScreenTransfer
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Zp56 = $56 ; 11 refs; reads=6; writes=5; DispatchVariantObjectUpdate_OnNotEqual02_D84A, DispatchVariantObjectUpdate_OnNotEqual03_D86F, DispatchVariantObjectUpdate_OnNonzero_D987
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Zp59 = $59 ; 1 refs; reads=0; writes=1; ClearInternalRamLoop
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Zp5F = $5F ; 2 refs; reads=1; writes=1; FinishStateHandler_OnNonzero_C32D
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Zp60 = $60 ; 3 refs; reads=3; writes=1; FinishStateHandler_OnZero_C28F, AdvanceRoundTransition_OnZero_C34B, ReadControllers_LoadAndContinue_C67B
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Zp61 = $61 ; 6 refs; reads=4; writes=2; FinishStateHandler_OnZero_C2B2, AdvanceRoundTransition_OnZero_C39A, ReadControllers_LoadAndContinue_C62D
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CurrentGameVariant = $63 ; 11 refs; reads=10; writes=1; ReadControllers_LoadIndexAndContinue_C835, ReadControllers_OnEqual06_C8C1, SetupScreenPaletteTransfer_LoadAndContinue_CD28
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Zp64 = $64 ; 13 refs; reads=12; writes=1; ReadControllers_LoadIndexAndContinue_C835, ReadControllers_OnZero_C897, SetupScreenPaletteTransfer_LoadAndContinue_CF0D
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Zp65 = $65 ; 1 refs; reads=0; writes=1; ReadControllers_JoinBranchPaths_C845
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Zp66 = $66 ; 8 refs; reads=6; writes=4; AdvanceRoundTransition_OnZero_C34B, ReadControllers_OnZero_C897, ReadControllers_OnOverflowClear_C8B3
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Zp67 = $67 ; 2 refs; reads=1; writes=2; AdvanceRoundTransition_OnZero_C34B
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Zp68 = $68 ; 5 refs; reads=4; writes=1; SetupScreenPaletteTransfer_LoadAndContinue_CF0D, DispatchVariantObjectUpdate_LoadAndContinue_DA05, ObjectStateLookupTables_OnZero_E685
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Zp69 = $69 ; 7 refs; reads=6; writes=1; ReadControllers_OnEqual06_C8C1, SetupScreenPaletteTransfer_LoadAndContinue_CF0D, DispatchVariantObjectUpdate_LoadAndContinue_DA05
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Zp6A = $6A ; 20 refs; reads=16; writes=4; ReadControllers_JoinBranchPaths_C8E2, SetPaletteRamAddress_LoadAndContinue_CC20, SetPaletteRamAddress_OnNonzero_CC40
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Zp6B = $6B ; 17 refs; reads=12; writes=7; ReadControllers_JoinBranchPaths_C8B5, ReadControllers_OnEqual06_C8C1, ReadControllers_OnAtLeast02_C8D7
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Zp6C = $6C ; 4 refs; reads=1; writes=4; ObjectStateLookupTables_LoadAndContinue_E5B0, ObjectStateLookupTables_OnNonnegative_EC68, ObjectStateLookupTables_OnNonnegative_EC89
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Zp6D = $6D ; 9 refs; reads=7; writes=8; ReadControllers_JoinBranchPaths_C8B5, InitializeRoundParameters, ObjectStateLookupTables_OnZero_E659
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Zp6E = $6E ; 4 refs; reads=1; writes=3; FinishStateHandler_OnNonnegative_C2EB, AdvanceRoundTransition_OnZero_C34B, AdvanceRoundTransition_OnZero_C382
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Zp6F = $6F ; 2 refs; reads=1; writes=1; ReadControllers_LoadAndContinue_C889
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Zp70 = $70 ; 28 refs; reads=18; writes=10; ObjectStateLookupTables_JoinBranchPaths_E64C, ObjectStateLookupTables_OnBelow08_E667, ObjectStateLookupTables_OnNonzero_E7A9
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Zp71 = $71 ; 7 refs; reads=5; writes=2; ObjectStateLookupTables_OnZero_E685, ObjectStateLookupTables_OnZero_E814, ObjectStateLookupTables_LoadAndContinue_E82C
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Zp72 = $72 ; 4 refs; reads=1; writes=3; ObjectStateLookupTables_OnZero_E693, ObjectStateLookupTables_OnZero_EA68, ObjectStateLookupTables_LoadIndexAndContinue_F2DB
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Zp73 = $73 ; 34 refs; reads=21; writes=13; SetPaletteRamAddress_LoadAndContinue_CC6C, DispatchVariantObjectUpdate_OnZero_DA3E, DispatchVariantObjectUpdate_OnNonzero_DA76
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Zp74 = $74 ; 56 refs; reads=41; writes=23; SetPaletteRamAddress_LoadAndContinue_CC6C, DispatchVariantObjectUpdate_OnNotEqual02_D84A, DispatchVariantObjectUpdate_OnNotEqual03_D86F
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Zp75 = $75 ; 6 refs; reads=3; writes=3; ObjectStateLookupTables_JoinBranchPaths_E823, ObjectStateLookupTables_OnNonzero_E8A8, ObjectStateLookupTables_OnAtLeast04_EB7B
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Zp76 = $76 ; 30 refs; reads=9; writes=21; DispatchVariantObjectUpdate_JoinBranchPaths_DAB3, DispatchVariantObjectUpdate_StoreAndContinue_DADA, DispatchVariantObjectUpdate_OnCarrySet_DAE4
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Zp77 = $77 ; 69 refs; reads=33; writes=37; SetPaletteRamAddress_LoadAndContinue_CC16, SetPaletteRamAddress_LoadAndContinue_CC20, SetPaletteRamAddress_OnNonzero_CC40
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Zp78 = $78 ; 22 refs; reads=9; writes=13; SetPaletteRamAddress_LoadAndContinue_CC16, SetPaletteRamAddress_LoadAndContinue_CC20, SetupScreenPaletteTransfer_LoadAndContinue_CEE5
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Zp79 = $79 ; 28 refs; reads=17; writes=18; ReadControllers_JoinBranchPaths_C845, ReadControllers_OnNonzero_C861, SetupScreenPaletteTransfer_LoadAndContinue_D1E8
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Zp7A = $7A ; 17 refs; reads=8; writes=9; SetPaletteRamAddress_LoadAndContinue_CC20, SetupScreenPaletteTransfer_LoadAndContinue_D1E8, SetupScreenPaletteTransfer_OnNonzero_D206
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Zp7B = $7B ; 27 refs; reads=14; writes=15; SetupScreenPaletteTransfer_OnZero_D21D, SetupScreenPaletteTransfer_OnZero_D255, SetupScreenPaletteTransfer_OnNonzero_D270
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WorkPointer0Lo = $7C ; 24 refs; reads=14; writes=10; ReadControllers_OnNonzero_C861, SetupScreenPaletteTransfer_CallNext_CEB7, SetupScreenPaletteTransfer_CallNext_D1C4
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Zp7C = $7C ; indexed structure-field alias
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WorkPointer0Hi = $7D ; 10 refs; reads=2; writes=9; ReadControllers_OnNonzero_C861, ReadControllers_OnNonzero_C87C, SetupScreenPaletteTransfer_CallNext_CEB7
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Zp7D = $7D ; indexed structure-field alias
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WorkPointer1Lo = $7E ; 12 refs; reads=4; writes=8; SetPaletteRamAddress_LoadAndContinue_CBE4, SetupScreenPaletteTransfer_LoadAndContinue_D1E8, SetupScreenPaletteTransfer_OnNonzero_D206
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Zp7E = $7E ; indexed structure-field alias
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WorkPointer1Hi = $7F ; 17 refs; reads=10; writes=11; SetPaletteRamAddress_LoadAndContinue_CBE4, SetupScreenPaletteTransfer_LoadAndContinue_D1E8, SetupScreenPaletteTransfer_OnNonzero_D206
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Zp7F = $7F ; indexed structure-field alias
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Zp80 = $80 ; 9 refs; reads=2; writes=7; ReadControllers_OnNonzero_C861, DispatchVariantObjectUpdate_OnCarrySet_D9AB, DispatchVariantObjectUpdate_OnNonzero_D9C4
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Zp81 = $81 ; 2 refs; reads=0; writes=2; ObjectStateLookupTables_OnZero_E685, ObjectStateLookupTables_LoadIndexAndContinue_F2DB
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Zp82 = $82 ; 2 refs; reads=0; writes=2; ObjectStateLookupTables_OnZero_E693, ObjectStateLookupTables_LoadIndexAndContinue_F2DB
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Zp83 = $83 ; 7 refs; reads=3; writes=4; DispatchVariantObjectUpdate_OnZero_DA3E, DispatchVariantObjectUpdate_JoinBranchPaths_DAB3, DispatchVariantObjectUpdate_OnCarrySet_DAE4
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Zp84 = $84 ; 17 refs; reads=13; writes=10; DispatchVariantObjectUpdate_OnNotEqual03_D91A, DispatchVariantObjectUpdate_OnNotEqual03_D93D, DispatchVariantObjectUpdate_OnCarrySet_D9AB
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Zp86 = $86 ; 5 refs; reads=0; writes=5; DispatchVariantObjectUpdate_JoinBranchPaths_DAB3, DispatchVariantObjectUpdate_OnEqual00_DC1B, DispatchVariantObjectUpdate_OnEqual03_DC21
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Zp87 = $87 ; 9 refs; reads=5; writes=4; ObjectStateLookupTables_LoadAndContinue_EE5F, ObjectStateLookupTables_OnNonzero_EEBB, ObjectStateLookupTables_LoadAndContinue_F342
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Zp88 = $88 ; 1 refs; reads=1; writes=0; ObjectStateLookupTables_OnZero_F356
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Zp89 = $89 ; 2 refs; reads=1; writes=1; ProcessQueuedVramUpdates_LoadAndContinue_D2FD, ExecuteVramDescriptorStream
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Zp8A = $8A ; 2 refs; reads=1; writes=1; ExecuteVramDescriptorStream, ExecuteVramDescriptorStream_OnNonzero_D35F
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Zp8B = $8B ; 2 refs; reads=1; writes=1; SetupScreenPaletteTransfer_OnZero_D255, ObjectStateLookupTables_StoreIndexAndContinue_ED26
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Zp8C = $8C ; 22 refs; reads=9; writes=13; SetPaletteRamAddress_LoadAndContinue_CBE4, SetPaletteRamAddress_LoadAndContinue_CC6C, SetupScreenPaletteTransfer_LoadAndContinue_D1E8
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Zp8D = $8D ; 3 refs; reads=2; writes=1; SetPaletteRamAddress_LoadAndContinue_CBE4, SetPaletteRamAddress_LoadAndContinue_CC62, ObjectStateLookupTables_OnNonzero_F5D8
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Zp8E = $8E ; 11 refs; reads=5; writes=6; SetPaletteRamAddress_LoadAndContinue_CBE4, SetPaletteRamAddress_LoadAndContinue_CC6C, SetupScreenPaletteTransfer_LoadAndContinue_D1E8
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Zp8F = $8F ; 4 refs; reads=2; writes=2; SetPaletteRamAddress_LoadAndContinue_CC62, SetupScreenPaletteTransfer_CallNext_D1C4, ObjectStateLookupTables_OnNonnegative_E905
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Zp90 = $90 ; 4 refs; reads=3; writes=2; ObjectStateLookupTables_LoadAndContinue_E61D, ObjectStateLookupTables_LoadAndContinue_F08C, ObjectStateLookupTables_OnZero_F09E
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Zp91 = $91 ; 2 refs; reads=1; writes=1; ObjectStateLookupTables_LoadIndexAndContinue_F0A8, ObjectStateLookupTables_OnNonzero_F155
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Zp92 = $92 ; 3 refs; reads=3; writes=2; ObjectStateLookupTables_LoadAndContinue_EFC7, ObjectStateLookupTables_OnEqual02_EFDC
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Zp94 = $94 ; 3 refs; reads=2; writes=1; ObjectStateLookupTables_LoadAndContinue_EFC7, ObjectStateLookupTables_OnEqual02_EFDC
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Zp98 = $98 ; 3 refs; reads=2; writes=2; ObjectStateLookupTables_OnZero_E5D1, ObjectStateLookupTables_JoinBranchPaths_E618
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Zp9A = $9A ; 2 refs; reads=1; writes=1; ObjectStateLookupTables_LoadAndContinue_E7BA
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Zp9B = $9B ; 6 refs; reads=3; writes=4; ReadControllers_JoinBranchPaths_C8E2, ObjectStateLookupTables_LoadIndexAndContinue_E484, ObjectStateLookupTables_JoinBranchPaths_E4AA
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Zp9C = $9C ; 2 refs; reads=1; writes=1; ObjectStateLookupTables_LoadIndexAndContinue_E521, ObjectStateLookupTables_OnNonzero_E86C
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Zp9D = $9D ; 2 refs; reads=2; writes=1; ObjectStateLookupTables_LoadAndContinue_E509
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ZpA7 = $A7 ; 3 refs; reads=1; writes=3; ObjectStateLookupTables_OnNonzero_EEBB, ObjectStateLookupTables_LoadAndContinue_F08C, ObjectStateLookupTables_OnZero_F09E
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ZpA8 = $A8 ; 4 refs; reads=2; writes=2; ObjectStateLookupTables_LoadAndContinue_F08C, ObjectStateLookupTables_OnZero_F09E, ObjectStateLookupTables_OnCarryClear_F141
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ZpAA = $AA ; 3 refs; reads=3; writes=1; ObjectStateLookupTables_OnBelow08_F672, ObjectStateLookupTables_OnCarryClear_F693, ObjectStateLookupTables_OnEqualFF_F6B6
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ZpAB = $AB ; 3 refs; reads=2; writes=2; ReadControllers_JoinBranchPaths_C8B5, ReadControllers_JoinBranchPaths_C8D9, ObjectStateLookupTables_OnCarrySet_F44E
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ZpAD = $AD ; 5 refs; reads=4; writes=3; ReadControllers_JoinBranchPaths_C8B5, ObjectStateLookupTables_OnBelow08_F672, ObjectStateLookupTables_JoinBranchPaths_F6E3
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ZpAE = $AE ; 2 refs; reads=1; writes=1; ObjectStateLookupTables_JoinBranchPaths_F4F5, ObjectStateLookupTables_LoadAndContinue_F540
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ZpAF = $AF ; 5 refs; reads=2; writes=3; DispatchVariantObjectUpdate_JoinBranchPaths_D971, ObjectStateLookupTables_OnCarrySet_F131, ObjectStateLookupTables_JoinBranchPaths_F495
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ZpB0 = $B0 ; 2 refs; reads=1; writes=1; ObjectStateLookupTables_OnNotEqual40_E62D, ObjectStateLookupTables_OnBelow01_F6DD
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ZpB3 = $B3 ; 3 refs; reads=1; writes=2; ObjectStateLookupTables_LoadIndexAndContinue_EED9, ObjectStateLookupTables_OnZero_EEFF, ObjectStateLookupTables_OnAtLeastA4_EF3D
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ZpB8 = $B8 ; 6 refs; reads=2; writes=4; ReadControllers_JoinBranchPaths_C8E2, DispatchVariantObjectUpdate_JoinBranchPaths_D971, DispatchVariantObjectUpdate_OnEqualF0_D9E6
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ZpBE = $BE ; 5 refs; reads=3; writes=3; DispatchVariantObjectUpdate_OnNonzero_DA76, ObjectStateLookupTables_LoadAndContinue_EE5F, ObjectStateLookupTables_JoinBranchPaths_EE86
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ZpBF = $BF ; 5 refs; reads=5; writes=2; DispatchVariantObjectUpdate_OnZero_D912, DispatchVariantObjectUpdate_OnNotEqual02_D935, ObjectStateLookupTables_LoadAndContinue_EE0A
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ZpC0 = $C0 ; 1 refs; reads=0; writes=1; ObjectStateLookupTables_OnBelow01_F6DD
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ZpC5 = $C5 ; 1 refs; reads=1; writes=0; ReadControllers_CallNext_C64B
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ZpC6 = $C6 ; 1 refs; reads=1; writes=1; ReadControllers_CallNext_C64B
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ZpC7 = $C7 ; 3 refs; reads=2; writes=1; ObjectStateLookupTables_OnCarrySet_F44E, ObjectStateLookupTables_OnZero_F4BE, ObjectStateLookupTables_OnNonnegative_F5CD
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ZpC9 = $C9 ; 6 refs; reads=3; writes=3; DispatchVariantObjectUpdate_OnZero_D887, DispatchVariantObjectUpdate_OnNonzero_D945, DispatchVariantObjectUpdate_OnCarryClear_D959
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ZpCA = $CA ; 13 refs; reads=7; writes=6; DispatchVariantObjectUpdate_JoinBranchPaths_D885, DispatchVariantObjectUpdate_OnCarryClear_D8AF, DispatchVariantObjectUpdate_OnCarryClear_D8D7
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ZpCB = $CB ; 4 refs; reads=2; writes=3; DispatchVariantObjectUpdate_OnNonzero_DA60, DispatchVariantObjectUpdate_OnNonzero_DA76, ObjectStateLookupTables_OnNonnegative_F0BD
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ZpCC = $CC ; 2 refs; reads=1; writes=1; UpdateMenuSelection_LoadAndContinue_D5DF, ObjectStateLookupTables_JoinBranchPaths_DCE6
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ZpCD = $CD ; 6 refs; reads=3; writes=4; ReadControllers_JoinBranchPaths_C8E2, DispatchVariantObjectUpdate_OnCarryClear_D959, DispatchVariantObjectUpdate_OnZero_DA19
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ZpCE = $CE ; 6 refs; reads=2; writes=4; DispatchVariantObjectUpdate_JoinBranchPaths_D839, DispatchVariantObjectUpdate_OnZero_D858, DispatchVariantObjectUpdate_OnZero_D87F
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ZpCF = $CF ; 2 refs; reads=1; writes=2; ReadControllers_JoinBranchPaths_C8E2, ObjectStateLookupTables_LoadAndContinue_F601
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ZpD0 = $D0 ; 5 refs; reads=3; writes=2; ObjectStateLookupTables_OnNonzero_E86C, ObjectStateLookupTables_OnZero_E8E9, ObjectStateLookupTables_OnZero_E9B3
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ZpD1 = $D1 ; 1 refs; reads=0; writes=1; ObjectStateLookupTables_OnNonnegative_E980
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ZpD2 = $D2 ; 3 refs; reads=3; writes=2; ObjectStateLookupTables_JoinBranchPaths_F267, ObjectStateLookupTables_JoinBranchPaths_F2A0, ObjectStateLookupTables_OnZero_F356
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ZpD3 = $D3 ; 5 refs; reads=4; writes=3; ObjectStateLookupTables_JoinBranchPaths_F474, ObjectStateLookupTables_LoadIndexAndContinue_F479, ObjectStateLookupTables_OnCarrySet_F4BB
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ZpD4 = $D4 ; 1 refs; reads=0; writes=1; ObjectStateLookupTables_OnEqualFE_E9A9
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ZpD5 = $D5 ; 4 refs; reads=3; writes=2; ObjectStateLookupTables_OnCarrySet_F44E, ObjectStateLookupTables_CallNext_F5C6, ObjectStateLookupTables_OnNonnegative_F5CD
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ZpD6 = $D6 ; 3 refs; reads=1; writes=2; ObjectStateLookupTables_OnCarrySet_F44E, ObjectStateLookupTables_LoadIndexAndContinue_F479, ObjectStateLookupTables_JoinBranchPaths_F495
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ZpD7 = $D7 ; 2 refs; reads=1; writes=1; ObjectStateLookupTables_LoadAndContinue_F540
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ZpD9 = $D9 ; 4 refs; reads=0; writes=4; ReadControllers_OnNonnegative_C900, ObjectStateLookupTables_OnEqual20_E8CD, ObjectStateLookupTables_OnNonzero_EBE7
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ZpDB = $DB ; 1 refs; reads=0; writes=1; ObjectStateLookupTables_OnNonzero_E849
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ZpDE = $DE ; 10 refs; reads=5; writes=5; ReadControllers_JoinBranchPaths_C8E2, DispatchVariantObjectUpdate_LoadIndexAndContinue_D824, DispatchVariantObjectUpdate_OnNonzero_D8E4
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ZpDF = $DF ; 18 refs; reads=15; writes=4; ReadControllers_JoinBranchPaths_C8E2, DispatchVariantObjectUpdate_OnCarrySet_D820, DispatchVariantObjectUpdate_JoinBranchPaths_D88A
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IndirectPointerLo = $E0 ; 13 refs; reads=1; writes=12; ClearUpperRamPages, SelectNametableClearPage_OnNonzero_C3E2, ReadControllers_LoadIndexAndContinue_C4BA
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IndirectPointerHi = $E1 ; 14 refs; reads=3; writes=13; ClearUpperRamPages, ClearUpperRamPageLoop, SelectNametableClearPage_OnNonzero_C3E2
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TransferByteCount = $E2 ; 7 refs; reads=3; writes=7; SelectNametableClearPage_OnNonzero_C3E2, ClearPpuPage_OnNonzero_C3FA, ReadControllers_OnNonzero_C4AF
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ZpE3 = $E3 ; 3 refs; reads=1; writes=3; ReadControllers_OnCarryClear_C4EA, ReadControllers_LoadAndContinue_C67B, ReadControllers_OnNonnegative_C68D
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Controller1Shift = $E4 ; 10 refs; reads=6; writes=5; ReadControllers_OnNonzero_C40D, ReadControllers_StoreAndContinue_C444, ReadControllers_OnNonzero_C454
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ZpE4 = $E4 ; indexed structure-field alias
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Controller2Shift = $E5 ; 4 refs; reads=2; writes=3; ReadControllers_OnNonzero_C40D, ReadControllers_OnNonzero_C454, ReadControllers_OnCarryClear_C4EA
|
||||
ControllerReadScratch = $E7 ; 4 refs; reads=2; writes=2; ReadControllers_OnNonzero_C40D
|
||||
ZpE8 = $E8 ; 3 refs; reads=2; writes=1; ReadControllers_StoreIndexAndContinue_C6F3, ReadControllers_OnBelow0A_C70D
|
||||
ZpEE = $EE ; 4 refs; reads=2; writes=2; ReadControllers_StoreIndexAndContinue_C6F3, ReadControllers_OnBelow0A_C70D
|
||||
ZpEF = $EF ; 7 refs; reads=4; writes=4; ReadControllers_LoadAndContinue_C5B2, ReadControllers_OnNonnegative_C5B6, ReadControllers_StoreIndexAndContinue_C6F3
|
||||
ZpF0 = $F0 ; 8 refs; reads=4; writes=6; DecodeAudioStream_OnZero_F962, ExecuteAudioCommand_OnNotEqualE0_FA23, ExecuteAudioCommand_OnNonzero_FA32
|
||||
ZpF1 = $F1 ; 4 refs; reads=2; writes=3; DecodeAudioStream_OnZero_F962, ExecuteAudioCommand_OnNotEqual0C_FA62, ExecuteAudioCommand_JumpNext_FA73
|
||||
ZpF2 = $F2 ; 1 refs; reads=0; writes=1; RequestAudioSequence_OnNonzero_F835
|
||||
ZpF3 = $F3 ; 1 refs; reads=0; writes=1; RequestAudioSequence_OnNonzero_F835
|
||||
AudioChannelStructOffset = $F4 ; 8 refs; reads=7; writes=1; ProcessAudioFrame_OnCarryClear_F880, ProcessAudioFrame_OnZero_F88B, DecodeAudioStream_OnZero_F921
|
||||
AudioApuRegisterOffset = $F5 ; 14 refs; reads=13; writes=1; ProcessAudioFrame_OnCarryClear_F880, ProcessAudioFrame_OnNotEqual54_F895, ProcessAudioFrame_OnNonnegative_F89E
|
||||
AudioSequencePointerLo = $F6 ; 5 refs; reads=4; writes=2; ProcessAudioFrame_JoinBranchPaths_F8AD, DecodeAudioStream, ExecuteAudioCommand_OnNotEqual08_F981
|
||||
AudioSequencePointerHi = $F7 ; 4 refs; reads=3; writes=2; ProcessAudioFrame_JoinBranchPaths_F8AD, DecodeAudioStream, ExecuteAudioCommand_OnNotEqual08_F981
|
||||
SavedObjectIndex = $F8 ; 7 refs; reads=4; writes=3; SetPaletteRamAddress_StoreIndexAndContinue_CC7E, SetPaletteRamAddress_OnCarryClear_CC8C, SetPaletteRamAddress_StoreIndexAndContinue_CC8F
|
||||
SavedObjectSlot = $F9 ; 21 refs; reads=14; writes=7; SetPaletteRamAddress_StoreIndexAndContinue_CB2D, SetPaletteRamAddress_JoinBranchPaths_CB4B, ObjectStateLookupTables_OnNonzero_E601
|
||||
SavedTransferIndex = $FA ; 8 refs; reads=4; writes=4; UpdateMenuSelection_OnZero_D627, UpdateMenuSelection_OnNonzero_D62B, ObjectStateLookupTables_LoadAndContinue_E562
|
||||
NmiDelayCounter = $FB ; 3 refs; reads=2; writes=2; NmiHandler, ReadControllers_LoadAndContinue_C4C8
|
||||
ZpFF = $FF ; 2 refs; reads=1; writes=1; FinishStateHandler_OnNonzero_C32D
|
||||
|
||||
MenuSelectionIndex = $0302
|
||||
VariantSequenceCounter = $03B0
|
||||
+12748
-5
File diff suppressed because it is too large.
Load diff
@@ -1,7 +1,6 @@
|
||||
# Pyramid (U) — Skeleton Project
|
||||
|
||||
ROM: `_wip/Pyramid (U)/Pyramid (U) (Sachen).nes` (24,592 bytes, iNES). Status: **SKELETON — not yet disassembled.** The entire 16 KB PRG bank is a single unclassified block; `copilot/prg.s` is the default-project skeleton (`default_project.tar.gz`) that reproduces it as one `.incbin`. The skeleton build is **byte-identical** at the PRG level.
|
||||
# Pyramid (U) — Pass 1
|
||||
|
||||
ROM: `_wip/Pyramid (U)/Pyramid (U) (Sachen).nes` (24,592 bytes, iNES). Status: **PASS 1 — code/data split complete, byte-identical.** 5,834 of 16,384 PRG bytes (35.6%) are classified as traced 6502 code (396 labels, 70 distinct `jsr` targets); everything else is explicit `.byte` data with per-line PRG-offset annotations. `make` → `cmp reconstructed_prg.bin prg.bin` → **BYTE-IDENTICAL**.
|
||||
|
||||
## ROM Facts
|
||||
|
||||
@@ -19,9 +18,68 @@ ROM: `_wip/Pyramid (U)/Pyramid (U) (Sachen).nes` (24,592 bytes, iNES). Status: *
|
||||
|
||||
| Vector | Target | Note |
|
||||
|--------|--------|------|
|
||||
| NMI | `$D72E` | per-frame heartbeat |
|
||||
| RESET | `$FF00` | initial execution at $FF00, inside the last PRG page — unusual; PASS 1 should confirm the true cold-start path |
|
||||
| IRQ | `$FF00` | redirects to RESET — unused placeholder |
|
||||
| NMI | `$D72E` | normal per-frame engine entry (waits PPU, runs frame state, drives APU silence/queue) |
|
||||
| RESET | `$FF00` | real cold-start code — see boot chain below |
|
||||
| IRQ | `$FF00` | redirects to RESET target; `sei` at boot, no `cli` seen on the traced path — IRQ likely never fires |
|
||||
|
||||
## Boot chain (all statically traced from `$FF00`)
|
||||
|
||||
1. `ldx #$FF / txs / sei / cld`, clear PPUCTRL/PPUMASK.
|
||||
2. Repeated `LDA #<val> / JSR $FF49` — `$FF49` does **`STA $4100`** (write beyond the NES register space, $4000–$4017) followed by a long delay loop ($CE×256-ish iterations ×4 outer). The header claims mapper 0, but on the real Sachen cart these `$4100` pokes are an mapper-unlock/protection sequence. Boot pokes `$30`, `$10/$30/$10+$30` (via `$FF4C` delay variant twice) or `$20/$30/$20` depending on a check.
|
||||
3. `JSR $FF57` — reads stack page bytes `$0120`/`$0121` and compares against `$41`/`$56` ("A","V"). `SEC` ⇒ proceeds to the `$4100` poke sequence above; `CLC` ⇒ alternate poke sequence, then falls into:
|
||||
4. `JSR $FF69` — seeds `$0120`/`$0121` with `$41`/`$56`.
|
||||
5. `JMP $C800` — real init: waits two `$2002` vblank phases, clears `$0000-$07FF`, builds ZP pointer `$D7/$D8 = $C8xx`, zeroes `$00`, writes `$98` to PPUCTRL / `$1A` to PPUMASK.
|
||||
|
||||
`$FF74-$FF7C` (`LDA #$00 / STA $0120 / STA $0121 / RTS`) clears the checker bytes; never called from static paths — emitted as data in the tail block.
|
||||
|
||||
## Dispatcher architecture (two queue + `jmp ($0002)` dispatchers)
|
||||
|
||||
The engine is the classic *queued-task* pattern (same family as the repo's Burger Time / DK Jr. analysis):
|
||||
|
||||
| Dispatcher | Site | Pointer | Vector table | Entries |
|
||||
|-----------|------|---------|--------------|---------|
|
||||
| 1 | `$C3A3` | `$0002/$0003` | `$C3A6` | 9: `$C3B6 $C3C7 $C3FD $C35F $C3E3 $C3E7 $C3EB $C3EF $D820` |
|
||||
| 2 | `$CCCA` | `$0002/$0003` | `$CCD5` | 8: `$CCEE $CD27 $CC90 $CD75 $CD43 $CDA4 $CE1A $CE5E` |
|
||||
|
||||
Both build the pointer with the `TXA / ASL / TAX / LDA $tbl,X / STA $02 / LDA $tbl+1,X / STA $03 / LDX $45 / LDY $46 / jmp ($0002)` idiom; dispatcher 2 additionally copies an 8-byte low-value table from `$CCCD,X` into `$04EA,X` and syncs `$0430/$0431` (X/Y "cursor" state) before the jump. The `jmp ($0002)` sites terminate static traces; the tail at `$CCEB` (`jsr $D2BF / jsr $D476 / jmp $CC90`) re-queues into dispatcher 2.
|
||||
|
||||
**Pass-1 candidates not statically resolvable** (emitted as code where entered only via runtime dispatch, documented for Pass 2 review): `$D7EB` (`EA EA A2 FF 9A / jmp $D655` — alternate cold-start stub, caller unknown), `$C201` (PPUCTRL/PPUMASK setup helper + OAM-buffer splitters, fall-through of the `$2002` wait loop at `$C1F6-$C200`), `$C43E` (division/multiply-style arithmetic helper entered after `rts` at `$C43D`).
|
||||
|
||||
## Code coverage summary (final Pass-1 state)
|
||||
|
||||
| Metric | Value |
|
||||
|--------|-------|
|
||||
| Code bytes traced | 5,834 / 16,384 (35.6%) |
|
||||
| Labels | 396 |
|
||||
| Distinct `jsr` targets | 70 |
|
||||
| Data/gap bytes | 10,550 (64.4%) |
|
||||
| Indirect `jmp ($0002)` sites | 2 (both queue dispatchers) |
|
||||
|
||||
Regions entered only via runtime dispatch (queue-table targets) are traced; remaining unreached bytes sit in the data map below.
|
||||
|
||||
## Data map (unreached bytes, all provenance-checked)
|
||||
|
||||
| Region | Size | Content evidence |
|
||||
|--------|------|------------------|
|
||||
| `$C201-$C2FF` tail ($C225-$C2FF) | 219 | zero padding after the PPU-setup helpers |
|
||||
| `$C34A-$C35E` | 21 | data after the dispatcher-1 `jmp ($0002)` tail |
|
||||
| `$C3A6-$C3B7` | 18 | dispatcher-1 vector table (9 words) |
|
||||
| `$C585-$C7FF` | 635 | text/marker tables (tile-index values `$88 $20 $88 $C1`; zero-padded from `$C714`) |
|
||||
| `$C95A-$C9A6`, `$CAAA-$CAF2`, `$CBC1-$CBDB` | 177 | tile-index/lookup tables read via `lda $tbl,X` |
|
||||
| `$CCCD-$CCE4` | 24 | dispatcher-2 low-byte table (8) + vector table (8 words) |
|
||||
| `$D021-$D029` | 9 | brightness ramp `$0F $14 $28 $3C $50 $64` |
|
||||
| `$D1AA-$D1B1`, `$D2AB-$D2BE` | 28 | small pointer/value tables |
|
||||
| `$D320-$D3A0` | 129 | per-level byte tables (`$01 $02 $01 $02 ... $00 $08`) |
|
||||
| `$D467-$D475`, `$D4EE-$D509`, `$D556-$D56A`, `$D5D5-$D631` | 146 | pointer/value pools read via `lda $tbl,X` / `adc` arithmetic |
|
||||
| `$D69C-$D6AB` | 16 | value ramp `$27 $29 $2B $2D ...` |
|
||||
| `$D79D-$D7E2` | 37 | small tables flanking the NMI handler |
|
||||
| `$D7F3-$DE99` | 1,703 | packed level data (`$22 $2F`-patterned runs after the `$D7EB` stub) |
|
||||
| `$DEBB-$DECA` | 16 | table |
|
||||
| `$DF3E-$DF7F` | 80 | music frequency table (`$C3 $EC $6A $ED ...`) |
|
||||
| `$E276-$ED6D` | 2,808 | audio pool: instrument/envelope ramps (`$FA $A8 $80 $3C ...` declining) + APU-register data |
|
||||
| `$EDBF-$F890` | 2,770 | audio/graphics bulk tables + large `$00` runs (incl. `$F07F-$F890` padding) |
|
||||
| `$F942-$FEFF` | 1,470 | mostly zeros — padding, save for small tables near `$FA00` |
|
||||
| `$FF74-$FFF9` | 134 | tail: clear-checker bytes + pure zeros up to the vector page |
|
||||
|
||||
## `copilot/` Contents
|
||||
|
||||
@@ -29,14 +87,15 @@ ROM: `_wip/Pyramid (U)/Pyramid (U) (Sachen).nes` (24,592 bytes, iNES). Status: *
|
||||
|------|---------|
|
||||
| `Pyramid (U) (Sachen).nes` | original ROM image (reference) |
|
||||
| `prg.bin` / `header.bin` / `chr.bin` | split image, produced by `_tools/splitnes.py` |
|
||||
| `prg.s` | Pass-1 skeleton: `.incbin "prg.bin", $0000, $4000` (whole PRG) |
|
||||
| `symbols.inc` | shared NES hardware constants (PPU/APU/controller, from the skeleton) |
|
||||
| `locals.inc` | project-local zero-page aliases — empty for now (filled in Pass 2) |
|
||||
| `prg.s` | Pass-1 classified source: traced code + explicit `.byte` data, `; PRG:$xxxx AA BB` per line |
|
||||
| `symbols.inc` | shared NES hardware constants (PPU/APU/controller) |
|
||||
| `locals.inc` | project-local zero-page aliases — still empty (filled in Pass 2) |
|
||||
| `linker.cfg` | PRG at $C000, 16 KB, `fill = yes` |
|
||||
| `Makefile` | links `reconstructed_prg.bin` and `cmp`s it against `prg.bin` |
|
||||
| `reconstructed_prg.bin` | build output from the last verified build |
|
||||
| `prg.s.skeleton` | backup of the pre-classification skeleton (`.incbin`-only) source |
|
||||
|
||||
Header/CHR are reproduced verbatim from `header.bin`/`chr.bin` (not linked): `make` verifies **PRG bytes only** at this stage, which is exactly what a skeleton proves. When this project is promoted to a full disassembly, `header.s` / `chr.s` (as e.g. `Burger Time (U)`) and a full-ROM `make` target get added.
|
||||
Header/CHR are reproduced verbatim from `header.bin`/`chr.bin` (not linked): `make` verifies **PRG bytes only** at this stage, exactly like every other `_wip/` skeleton. When this project is promoted to a top-level full disassembly, `header.s` / `chr.s` and a full-ROM `make` target (cf. `Burger Time (U)`) get added.
|
||||
|
||||
## Build
|
||||
|
||||
@@ -47,7 +106,7 @@ make # → cmp reconstructed_prg.bin prg.bin → "BYTE-IDENTICAL"
|
||||
|
||||
## Next Steps (per `PROMPTS.md`)
|
||||
|
||||
1. **Pass 1** — replace the blanket `.incbin` with classified code/data: trace reachability from RESET ($FF00) and NMI ($D72E), emit per-instruction `; PRG:$xxxx AA BB` annotations, keep unreached bytes as explicit `.byte` blocks.
|
||||
2. **Pass 2** — replace `Label_`/`Sub_` names with semantic routine names; fill `locals.inc`.
|
||||
3. **Pass 3** — name data tables/structures; release provisional flags.
|
||||
4. **Promotion** — move to a top-level `<name>/copilot/` folder, add full-ROM build (header.s + chr.s + vectors), and write the power-on flow `OVERVIEW.md` in the established style; then it joins the root index's numbered inventory.
|
||||
1. **Pass 1 — DONE.** Code/data split, `; PRG:$xxxx AA BB` audit annotations on every line, byte-identical build.
|
||||
2. **Pass 2** — semantic names: `BootUnlock`, `StackByteCheck`, `QueueDispatch1/2`, NMI/IRQ frame handlers, audio routines; fill `locals.inc` with zero-page aliases (`$02/$03` pointer, `$45/$46` X/Y state, `$04EA` dispatcher copy, `$0120/$0121` "AV" checker).
|
||||
3. **Pass 3** — name the data tables (level data at `$D7F3+`, envelope pool at `$E276+`, frequency table at `$DF3E`, ramps).
|
||||
4. **Promotion** — move to a top-level `<name>/copilot/` folder, add `header.s`/`chr.s` + full-ROM `make`, write the power-on flow `OVERVIEW.md` in the established style; then it joins the root index's numbered inventory.
|
||||
+4531
-5
File diff suppressed because it is too large.
Load diff
@@ -0,0 +1,12 @@
|
||||
; Pyramid (U) NES disassembly - Pass 1 (skeleton)
|
||||
; Generated from the supplied 16 KiB PRG image.
|
||||
; Pass 1 classifies recursively reachable code, inline address tables, vectors,
|
||||
; and untraced/data regions. All PRG data bytes are emitted explicitly with .byte directives.
|
||||
|
||||
.setcpu "6502"
|
||||
|
||||
.include "symbols.inc"
|
||||
.include "locals.inc"
|
||||
|
||||
.segment "PRG"
|
||||
.incbin "prg.bin", $0000, $4000
|
||||
Reference in new issue
Block a user