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
Kung Fu (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: 17,068 / 32,768 bytes (52.1%).
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 | $82D6 |
| RESET vector | $8258 |
| IRQ vector | $FFF0 |
Power-on flow
RESET enters at $8258:
sei ; CPU:$8258 PRG:0258 78
cld ; CPU:$8259 PRG:0259 D8
lda #$00 ; CPU:$825A PRG:025A A9 00
sta PPUCTRL ; CPU:$825C PRG:025C 8D 00 20
ldx #$FF ; CPU:$825F PRG:025F A2 FF
txs ; CPU:$8261 PRG:0261 9A
lda PPUSTATUS ; CPU:$8262 PRG:0262 AD 02 20
asl a ; CPU:$8265 PRG:0265 0A
bcc Reset_OnCarryClear ; CPU:$8266 PRG:0266 90 FA
lda PPUSTATUS ; CPU:$8268 PRG:0268 AD 02 20
asl a ; CPU:$826B PRG:026B 0A
bcc Reset_OnCarryClear2 ; CPU:$826C PRG:026C 90 FA
NMI handler at $82D6:
lda Zp10 ; CPU:$82D6 PRG:02D6 A5 10
and #$7F ; CPU:$82D8 PRG:02D8 29 7F
sta PPUCTRL ; CPU:$82DA PRG:02DA 8D 00 20
sta Zp10 ; CPU:$82DD PRG:02DD 85 10
lda #$00 ; CPU:$82DF PRG:02DF A9 00
sta PPUMASK ; CPU:$82E1 PRG:02E1 8D 01 20
lda #$00 ; CPU:$82E4 PRG:02E4 A9 00
sta OAMADDR ; CPU:$82E6 PRG:02E6 8D 03 20
Data-table inventory (Pass 3)
$8000-$8257(600 bytes) -LevelHandlerPointerTable$841B-$8426(12 bytes) -LevelObjectDefinitionTable$8C8A-$8DCE(325 bytes) -SpriteOamEntryTable$9032-$9807(2006 bytes) -EnemyNameTextTable$9810-$A481(3186 bytes) -EnemySpritePatternTable$B6CD-$B713(71 bytes) -LevelObjectSpawnTable$BB6F-$BDC3(597 bytes) -SpriteOamAttributeTable$CDDD-$CFCB(495 bytes) -EnemyAnimationFrameTable$D386-$D3C5(64 bytes) -LevelSceneryData$DAE7-$DAE9(3 bytes) -LevelSceneryPadding$DB48-$F830(7401 bytes) -LevelGraphicData$F981-$F9B8(56 bytes) -EnemyMovementSpeedTable$FA36-$FA89(84 bytes) -EnemyMovementDeltaTable
Build
Byte-identical ROM verified.