some stuff from a stream the other day

labels.mlb

@@ -173,7 +173,7 @@ NesPrgRom:0DAC:LCDAC
 NesPrgRom:0DD9:LCDD9_Multiply_8to16:\nByte_06C8 * Byte_06C9\n= Word_06CE
 NesPrgRom:0DE2:L0DE2_loop
 NesPrgRom:0DEB:L0DEB
-NesPrgRom:0DF8:LCDF8_StringShenanigans
+NesPrgRom:0DF8:LCDF8_Bin2DecString_disabled:\nThis code seems to be disabled.  If\nByte_0607 != 1, return early.\n\nHowever, Byte_0607 is only written\nonce in the reset routine with $00.\n\nIf this code were used, it takes the\nbinary value in Byte_ED and converts\nit to ASCII decimal in String_0700.\nThe value is only two digits.
 NesPrgRom:0E00:L0E00
 NesPrgRom:0E1D:LCE1D_loop
 NesPrgRom:0E2A:LCE2A
@@ -238,16 +238,54 @@ NesPrgRom:13C7:LD3C7
 NesPrgRom:13DC:LD3DC_loop
 NesPrgRom:13EA:LD3EA
 NesPrgRom:1403:LD403_end
+NesPrgRom:1649:Handler_A1
+NesPrgRom:164B::ArgA >= 15?
+NesPrgRom:1667::byte 1 - rom data bank
+NesPrgRom:166D::\nbyte 2&3 are the data source for\na screen to draw.
+NesPrgRom:1678::byte 5 - tile count
+NesPrgRom:167E::byte 7 - source addr low
+NesPrgRom:1684::byte 8 - source addr high
+NesPrgRom:168A::byte 4 - rom data bank
+NesPrgRom:16BA:L16BA_LoadMetadata:\nLoads data from a table.\nTable is 15 elements long, each element\nis 8 bytes.
+NesPrgRom:16C2::\nArgA (Y) index -> offset
+NesPrgRom:16D1:
+NesPrgRom:1703:L1703_WeirdPointerMath:byte 2
+NesPrgRom:1708::byte_61
+NesPrgRom:170A::byte 3
+NesPrgRom:1711::\nWord_96 -= 1\n(source addr ($4722.W) - 1)
+NesPrgRom:171E::byte_61
+NesPrgRom:1722:
+NesPrgRom:1726::byte_61
+NesPrgRom:172B::byte_61
+NesPrgRom:1733::\nWrite $4722.W + 6 to $697E.W
+NesPrgRom:1742::\nRead four bytes from ($4722.W)\n(bytes 2&3 from metadata)
+NesPrgRom:1746::width?
+NesPrgRom:174B::height?
+NesPrgRom:174D:
+NesPrgRom:1757::\nnumber of tiles (width * height)
+NesPrgRom:176E::\n$61.W += above result\n
+NesPrgRom:177B:
+NesPrgRom:177C::hardcoded to $FE above
+NesPrgRom:1788:
+NesPrgRom:1796:L1796_WriteTiles:\nWrites tiles to the PPU.\nByte_06C0   - number of tiles.\nWord_0724+0 - Tile ID\nWord_0745   - Base Dest Addr (ie, $0000 or $1000).\nWord_06BC   - Data Source Addr
+NesPrgRom:17A8::tile ID?
 NesPrgRom:17B0:L17B0
-NesPrgRom:17CC:L17CC
-NesPrgRom:17E7:L17E7
+NesPrgRom:17CC:L17CC_loop
+NesPrgRom:17E7:L17E7_loop
+NesPrgRom:17F1::\nSource Addr += 16 bytes
+NesPrgRom:1802::\nDest PPU Addr += 16 bytes
+NesPrgRom:1813:
+NesPrgRom:181B::\ntile ID rolled over.\nReset the PPU address to tile ID 4\nwith the current Base Addr.\n(Wrap to the top of the current tile\nbank, skipping the first four tiles)
 NesPrgRom:183D:L183D
-NesPrgRom:184E:LD84E
+NesPrgRom:184E:LD84E_DrawScreen:\nSeen drawing a full nametable using\ndata from ROM, not the tape.
 NesPrgRom:1851:LD851
 NesPrgRom:1868:LD868
 NesPrgRom:1872:LD872
 NesPrgRom:187C:LD87C
-NesPrgRom:188C:LD88C_PointerShenanigans
+NesPrgRom:188C:LD88C_VarShuffle:\nMoves some vars around:\n\nWord_96 -> Pointer_83 (from metadata earlier on)\nPointer_83 += 1\n$697E.W -> $85.W (data metadata pointed to)\n$6AFE.W -> $87.W
+NesPrgRom:1894:
+NesPrgRom:18A1:
+NesPrgRom:18AB:
 NesPrgRom:18E0:LD8E0_SetNT_00
 NesPrgRom:18EB:LD8EB_SetNT_01
 NesPrgRom:18F6:LD8F6_SetNT_02
@@ -316,15 +354,15 @@ NesPrgRom:1D46:L1D46
 NesPrgRom:1D4E:L1D4E
 NesPrgRom:1D5A:LDD5A_PaletteBgCopy:\nCopies the background colors \nfrom one palette to the other
 NesPrgRom:1D5C:L1D5C
-NesPrgRom:1D6B:LDD6D_PpuBuffer:\nBuffering data at $610 to the\nPPU data buffer at 305
+NesPrgRom:1D6B:L1D6D_WritePalData:\nBuffers and writes palette data to\n$3F00.  Data is sourced from $0610.
 NesPrgRom:1D7F:L1D7F
-NesPrgRom:1D90:L1D90
+NesPrgRom:1D90:L1D90_WriteFourTiles:\nBuffers and draws four tiles.  Tiles\nare loaded in pairs.  Because reasons.\n\nWord_0745 is the initial destination address.
 NesPrgRom:1DA2:L1DA2_loop
 NesPrgRom:1DB6:L1DB6_loop
 NesPrgRom:1DE2:L1DE2
 NesPrgRom:1F37-1F76:Table_DF37:maybe 64 bytes?
 NesPrgRom:1F7A-2177:Table_1F78
-NesPrgRom:2178-224D:Table_2178
+NesPrgRom:21D5-224C:Table_21D5:15 entries of 8 bytes each.
 NesPrgRom:2300:L2300_LoadScreen:\nScreen ID in A\nSaves current bank, swaps to the screen's bank, writes\ntile data, and finally writes pattern data.
 NesPrgRom:2319:L2319_LoadTileData_Shifted:\nShift A three times and TAX before dropping into\nL2323_LoadTileData
 NesPrgRom:2323:L2323_LoadTileData:\nLooks like this loads up a screen using a lookup table for\nthe bank and data address.  It shuffles around a bunch\nof pointers.
@@ -1137,7 +1175,7 @@ NesPrgRom:53CC:L96CC:\nTile vs Pixel coords?
 NesPrgRom:53DC:
 NesPrgRom:53EC:L93EC_PointerShenanigans
 NesPrgRom:5416:L5416
-NesPrgRom:5495:L5495
+NesPrgRom:5495:L5495_GotoNextNametable
 NesPrgRom:549A:L549A
 NesPrgRom:54AF:L54AF
 NesPrgRom:54BF:L54BF
@@ -1341,8 +1379,11 @@ NesPrgRom:648A:LA48A_rts
 NesPrgRom:648B:LA48B
 NesPrgRom:64A4:LA4A4
 NesPrgRom:64C3::\nByte_4A = ArgA.Low\nArgA = ArgA - 1
+NesPrgRom:64C7:
 NesPrgRom:64D2:
 NesPrgRom:64E6:
+NesPrgRom:64EB:
+NesPrgRom:64F8:
 NesPrgRom:650D:
 NesPrgRom:6524:
 NesPrgRom:6531:
@@ -1637,8 +1678,6 @@ NesPrgRom:EC88:Data_EC88:Attribute Data.  First half.
 NesPrgRom:ECA8:Data_ECA8:Attribute data. Second half.
 NesPrgRom:ECC8:Data_ECC8:Tile Data in rows
 NesPrgRom:10000:D10000:Title sprite CHR data
-NesPrgRom:3FA20-3FA27:CHR_BA20_A
-NesPrgRom:3FA28-3FA2F:CHR_BA28_B
 NesInternalRam:0000-0001:Word_00
 NesInternalRam:0002-0003:Pointer_02
 NesInternalRam:0004-0005:Word_04:Either a pointer or a counter, depending on context.
@@ -1781,7 +1820,7 @@ NesInternalRam:0606:Byte_0606
 NesInternalRam:0607:Byte_0607
 NesInternalRam:0610-061F:PaletteBuffer_0610
 NesInternalRam:0620-062F:PaletteBuffer_0620
-NesInternalRam:0680:Byte_0680
+NesInternalRam:0680:Byte_0680_CurrentNametable
 NesInternalRam:06BC-06BD:Word_06BC
 NesInternalRam:06BE-06BF:Word_06BE
 NesInternalRam:06C0:Byte_06C0
@@ -1792,11 +1831,12 @@ NesInternalRam:06CA-06CB:Word_06CA
 NesInternalRam:06CC:Byte_06CC
 NesInternalRam:06CD:Byte_06CD
 NesInternalRam:06CE-06CF:Word_06CE_Result:Multiply result\n(also div result??)
+NesInternalRam:06D0:Byte_06D0
 NesInternalRam:06D1-06D6:Table_06D1
 NesInternalRam:0700-071F:String_0700
 NesInternalRam:0720-073F:String_0720
 NesInternalRam:0740:Byte_0740_TapeNMISetup:set to 0 if tape NMI is setup\nset to 1 if not\n?? maybe
-NesInternalRam:0741-0742:Word_0742_NextAvailTileId
+NesInternalRam:0741-0742:Word_0742
 NesInternalRam:0745-0746:Word_0745
 NesInternalRam:0747-0748:Word_0747_NT
 NesInternalRam:0749-074A:Word_0749_Attr
@@ -1832,7 +1872,9 @@ NesWorkRam:0480:Table_WR0480
 NesWorkRam:0640-067F:Table64_6640
 NesWorkRam:0700-07FF:Page_6700
 NesWorkRam:0800-080F:Table_6800
+NesWorkRam:0880-097F:Table_WR_880:Something with sprites.
 NesWorkRam:0980-098F:Table_6980
+NesWorkRam:0AFE-0AFF:Word_6AFE
 NesWorkRam:0C01:Table_6C01
 NesWorkRam:0C41-0C42:Table_6C41
 NesWorkRam:0CC1-0CC2:Table_6CC1
@@ -1917,6 +1959,13 @@ NesWorkRam:871A-871B:Word_471A
 NesWorkRam:871C-871D:Word_471C
 NesWorkRam:871E-871F:Word_471E
 NesWorkRam:8720:PrevRamBank_4720
+NesWorkRam:8721:Byte_4721
+NesWorkRam:8722:Byte_4722
+NesWorkRam:8723:Byte_4723
+NesWorkRam:8724:Byte_4724
+NesWorkRam:8725:Byte_4725
+NesWorkRam:8726:Byte_4726
+NesWorkRam:8727-8728:Word_4727
 NesWorkRam:8800:LongCallIndex_4800
 NesWorkRam:8801-8814:BankTable_4801:Stores the bank number for a\nscript so we can return to it\nlater.
 NesWorkRam:8815-883C:WordTable_4815:Table of code return addresses