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
Magmax (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: 11,613 / 32,768 bytes (35.4%).
make assembles and verifies byte-identical to rom.nes.
ROM
| Property | Value |
|---|---|
| Format | iNES |
| Mapper | 0 (NROM) |
| PRG | 32 KB |
| CHR | 8 KB |
| Mirroring | Horizontal |
| NMI vector | $BD33 |
| RESET vector | $BC33 |
| IRQ vector | $BC33 |
Power-on flow
RESET enters at $BC33:
lda #$00 ; CPU:$BC33 PRG:3C33 A9 00
sta PPUCTRL ; CPU:$BC35 PRG:3C35 8D 00 20
lda PPUSTATUS ; CPU:$BC38 PRG:3C38 AD 02 20
bpl Reset_OnNonnegative ; CPU:$BC3B PRG:3C3B 10 FB
sei ; CPU:$BC3D PRG:3C3D 78
cld ; CPU:$BC3E PRG:3C3E D8
ldx #$FF ; CPU:$BC3F PRG:3C3F A2 FF
txs ; CPU:$BC41 PRG:3C41 9A
ldx #$7F ; CPU:$BC42 PRG:3C42 A2 7F
lda $057E,x ; CPU:$BC44 PRG:3C44 BD 7E 05
cmp $BC33,x ; CPU:$BC47 PRG:3C47 DD 33 BC
bne Reset_Loop ; CPU:$BC4A PRG:3C4A D0 06
NMI handler at $BD33:
lda #$07 ; CPU:$BD33 PRG:3D33 A9 07
sta OAMDMA ; CPU:$BD35 PRG:3D35 8D 14 40
lda #$00 ; CPU:$BD38 PRG:3D38 A9 00
sta PPUMASK ; CPU:$BD3A PRG:3D3A 8D 01 20
jsr Sub_CEAB ; CPU:$BD3D PRG:3D3D 20 AB CE
lda Zp6B ; CPU:$BD40 PRG:3D40 A5 6B
sta PPUMASK ; CPU:$BD42 PRG:3D42 8D 01 20
lda Zp6C ; CPU:$BD45 PRG:3D45 A5 6C
Data-table inventory (Pass 3)
$8000-$BC32(15411 bytes) -UnreachedRomData$BDC2-$BDF6(53 bytes) -ObjectHandlerPointerTable$C471-$C485(21 bytes) -ObjectAttributeTable$C7C3-$C860(158 bytes) -ObjectMovementTable$C8AD-$C9BE(274 bytes) -LevelGraphicData$C9E6-$CA01(28 bytes) -ObjectPointerTable$CA9A-$CADF(70 bytes) -LevelTilePatternData
Build
Byte-identical ROM verified.