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
Elevator Action (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: 19,446 / 32,768 bytes (59.3%).
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 | $8081 |
| RESET vector | $8000 |
| IRQ vector | $8000 |
Power-on flow
RESET enters at $8000:
sei ; CPU:$8000 PRG:0000 78
cld ; CPU:$8001 PRG:0001 D8
ldx #$FF ; CPU:$8002 PRG:0002 A2 FF
txs ; CPU:$8004 PRG:0004 9A
lda #$10 ; CPU:$8005 PRG:0005 A9 10
sta PPUCTRL ; CPU:$8007 PRG:0007 8D 00 20
lda PPUSTATUS ; CPU:$800A PRG:000A AD 02 20
bpl Reset_OnNonnegative ; CPU:$800D PRG:000D 10 FB
lda #$FF ; CPU:$800F PRG:000F A9 FF
ldy #$24 ; CPU:$8011 PRG:0011 A0 24
sta $0200,y ; CPU:$8013 PRG:0013 99 00 02
dey ; CPU:$8016 PRG:0016 88
NMI handler at $8081:
sta NmiSaveA ; CPU:$8081 PRG:0081 85 9A
stx NmiSaveX ; CPU:$8083 PRG:0083 86 9B
sty NmiSaveY ; CPU:$8085 PRG:0085 84 9C
lda ZpFA ; CPU:$8087 PRG:0087 A5 FA
beq NmiHandler_Loop ; CPU:$8089 PRG:0089 F0 03
jmp Sub_81D6 ; CPU:$808B PRG:008B 4C D6 81
lda PpuCtrlShadow ; CPU:$808E PRG:008E A5 88
and #$7F ; CPU:$8090 PRG:0090 29 7F
Data-table inventory (Pass 3)
$83CB-$844E(132 bytes) -EnemySpawnOffsetTable$8628-$973D(4374 bytes) -EnemyHandlerPointerTable$9CA1-$9D61(193 bytes) -EnemyAttributeMaskTable$A240-$A24F(16 bytes) -EnemySpriteXPositionTable$A281-$A284(4 bytes) -LevelDataPointerTable$A348-$A3E2(155 bytes) -EnemyMoveCodeTable$A3F9-$A46E(118 bytes) -EnemySpawnScriptTable$AA9B-$B50C(2674 bytes) -LevelTilemapData$B525-$B58C(104 bytes) -EnemySpritePatternTable$B599-$BB2A(1426 bytes) -EnemyTileGraphicData$BDB5-$BDC9(21 bytes) -EnemyScriptPointerTable$BE15-$BE1D(9 bytes) -EnemyScriptEntryTable$C2F1-$C320(48 bytes) -SpriteOamAttributeTable$C487-$C837(945 bytes) -SpriteOamEntryTable$D0DE-$D0ED(16 bytes) -EnemySpeedTable$D187-$D2B5(303 bytes) -LevelObjectPointerTable$D586-$D599(20 bytes) -EnemySpawnRecordTable$D6B4-$D73D(138 bytes) -EnemyPaletteRecordTable$E61D-$E79D(385 bytes) -EnemyMovementDeltaTable$F0E1-$F0E6(6 bytes) -EnemyFallingSpeedTable$F1E3-$F4DA(760 bytes) -LevelSceneryTileData$F6FC-$F703(8 bytes) -PpuBitMaskTable$F956-$F975(32 bytes) -LevelHandlerPointerTable$F9BB-$F9C2(8 bytes) -PpuInverseBitMaskTable$FA73-$FFFF(1421 bytes) -LevelSceneryLayoutData
Build
Byte-identical ROM verified.