tmerritt
6740550ac0
Pass 3 _wip: semantic ZP aliases for Sqoon (U) (FrameCounter, PpuCtrlShadow, NmiFrameFlag) and Elevator Action (U) (PpuCtrlShadow, NmiSaveA/X/Y) Pass 3 Slalom (U): semantic ZP aliases (PpuCtrlShadow, PpuMaskShadow) Pass 3 Kung Fu (U): semantic ZP alias (PpuCtrlShadow) Pass 3 Othello (U): semantic ZP alias (PpuCtrlShadow) Pass 3 1942 (JU): semantic ZP alias (PpuCtrlShadow) Pass 3 Galaga (U): semantic ZP aliases (PpuCtrlShadow, PpuMaskShadow) Docs: add power-on flow + data-table inventory to READMEs of 13 promoted NROM projects Pass 3 Elevator Action (U): add NmiFrameFlag alias Pass 3 Elevator Action (U): full ZP naming (23 aliases) + 25 named data tables, 59.4% coverage Pass 1/2/3 re-trace: recover unreached code in 7 NROM projects (Sqoon 56.4%, Elevator Action 59.3%, Kung Fu 52.1%, 1942 52.1%) Pass 3 Sqoon (U): full ZP naming (22 aliases) + 17 named data tables Pass 3 Kung Fu (U): full ZP naming (21 aliases) + 13 named data tables Pass 3 Othello (U): full ZP naming (18 aliases) + 27 named data tables Pass 3 1942 (JU): full ZP naming (14 aliases) + 19 named data tables Pass 3 Galaga (U): full ZP naming (15 aliases) + 14 named data tables Pass 3 Slalom (U): full ZP naming (16 aliases) + 16 named data tables Pass 2/3: re-apply naming to Slalom (U), Othello (U), Galaga (U) after re-seed Pass 1/2/3 re-trace: recover unreached code in 6 more promoted NROM projects Pass 3 Stack-Up (JU): full ZP naming (15 aliases) + 12 named data tables Pass 3 Tag Team Wrestling (U): full ZP naming (20 aliases) + 11 named data tables Pass 3 Kung Fu (U) (a1): full ZP naming (20 aliases) + 12 named data tables Pass 3 Magmax (U): full ZP naming (18 aliases) + 6 named data tables Pass 3 Soccer (JU): full ZP naming (18 aliases) + 9 named data tables Pass 3 Ms Pac-Man (Namco) (U): full ZP naming (18 aliases) + 8 named data tables Docs: refresh coverage numbers and data-table inventories for 13 promoted NROM projects
Sqoon (U)
Status
Pass 3 complete; promoted. prg.s is a traced disassembly with all
address-derived labels replaced, all jsr/jmp operands symbolic, hardware
registers named via symbols.inc, and apply_symbols.py reporting 0 residue.
Code coverage: 18,471 / 32,768 bytes (56.4%).
make assembles and verifies byte-identical to rom.nes.
ROM
| Property | Value |
|---|---|
| Format | iNES |
| Mapper | 0 (NROM) |
| PRG | 32 KB |
| CHR | 8 KB |
| Mirroring | Vertical |
| NMI vector | $8014 |
| RESET vector | $8000 |
| IRQ vector | $80F1 |
Power-on flow
RESET enters at $8000:
ldx #$FF ; CPU:$8000 PRG:0000 A2 FF
txs ; CPU:$8002 PRG:0002 9A
stx NmiFrameFlag ; CPU:$8003 PRG:0003 86 FE
jsr Sub_82B2 ; CPU:$8005 PRG:0005 20 B2 82
jsr Sub_817B ; CPU:$8008 PRG:0008 20 7B 81
lda #$00 ; CPU:$800B PRG:000B A9 00
sta NmiFrameFlag ; CPU:$800D PRG:000D 85 FE
sta Zp9A ; CPU:$800F PRG:000F 85 9A
jmp Sub_80EE ; CPU:$8011 PRG:0011 4C EE 80
pha ; CPU:$8014 PRG:0014 48
lda NmiFrameFlag ; CPU:$8015 PRG:0015 A5 FE
beq NmiHandler_Loop ; CPU:$8017 PRG:0017 F0 03
NMI handler at $8014:
pha ; CPU:$8014 PRG:0014 48
lda NmiFrameFlag ; CPU:$8015 PRG:0015 A5 FE
beq NmiHandler_Loop ; CPU:$8017 PRG:0017 F0 03
jmp IrqHandler ; CPU:$8019 PRG:0019 4C F1 80
inc NmiFrameFlag ; CPU:$801C PRG:001C E6 FE
inc FrameCounter ; CPU:$801E PRG:001E E6 54
jsr Sub_8158 ; CPU:$8020 PRG:0020 20 58 81
lda PpuCtrlShadow ; CPU:$8023 PRG:0023 A5 1D
Data-table inventory (Pass 3)
$833A-$83A2(105 bytes) -EnemyAnimationScriptTable$83C2-$83D3(18 bytes) -RoutinePointerTable$84A0-$84AF(16 bytes) -EnemyPathDeltaTable$85F3-$8606(20 bytes) -GameOverText$8690-$86A9(26 bytes) -EnemyGraphicTileIndexTable$8814-$8825(18 bytes) -LevelObjectDefinitionTable$8AB4-$8AD7(36 bytes) -EnemyTileIndexTable$8B48-$8B55(14 bytes) -PhaseLeftText$8BBD-$8BC7(11 bytes) -LevelStartParameterTable$8C41-$8C60(32 bytes) -EnemyMovementParameterTable$B5D5-$B5DD(9 bytes) -HomeDataText$BB39-$DC18(8416 bytes) -LevelGraphicData$DC6E-$DC8A(29 bytes) -EnemySpeedParameterTable$DD1A-$E08A(881 bytes) -SpriteGraphicData$E134-$E238(261 bytes) -EnemyHandlerPointerTable$E4B7-$F5D3(4381 bytes) -LevelCollisionData$FFE8-$FFFF(24 bytes) -VectorTable
Build
Byte-identical ROM verified.