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tmerritt 6740550ac0 CDL re-trace: 1942 (JU) 46.6%, Galaga (U) 32.3% (Pass 2/3 complete)

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

2026-10-21 16:43:54 -04:00

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Ms Pac-Man (Namco) (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: 10,136 / 32,768 bytes (30.9%). make assembles and verifies byte-identical to rom.nes.

ROM

Property	Value
Format	iNES
Mapper	0 (NROM)
PRG	32 KB
CHR	8 KB
Mirroring	Horizontal
NMI vector	$C107
RESET vector	$FFF7
IRQ vector	$C198

Power-on flow

RESET enters at $FFF7:

jmp Sub_C004                   ; CPU:$FFF7 PRG:7FF7  4C 04 C0
.byte $07, $C1, $F7, $FF, $98, $C1  ; CPU:$FFFA PRG:7FFA  07 C1 F7 FF 98 C1

NMI handler at $C107:

pha                            ; CPU:$C107 PRG:4107  48
txa                            ; CPU:$C108 PRG:4108  8A
pha                            ; CPU:$C109 PRG:4109  48
tya                            ; CPU:$C10A PRG:410A  98
pha                            ; CPU:$C10B PRG:410B  48
lda PPUSTATUS                  ; CPU:$C10C PRG:410C  AD 02 20
lda Zp27                       ; CPU:$C10F PRG:410F  A5 27
beq NmiHandler_Loop            ; CPU:$C111 PRG:4111  F0 07

Data-table inventory (Pass 3)

$8000-$C003 (16388 bytes) - CopyrightText
$C0D7-$C106 (48 bytes) - LevelTileData
$C20D-$C212 (6 bytes) - LevelStartParameterTable
$C69B-$C6E7 (77 bytes) - LevelNameText
$CA24-$CB31 (270 bytes) - LevelObjectDefinitionTable
$CEE6-$D01F (314 bytes) - SpriteOamEntryTable
$D03D-$D0D5 (153 bytes) - SpriteOamAttributeTable
$D1C2-$D349 (392 bytes) - LevelObjectPointerTable

Build

Byte-identical ROM verified.

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