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studybox-reverse-engineering
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From over the weekend, i think

This commit is contained in:
Zorchenhimer 2025-09-22 21:28:03 -04:00
parent 1c9a83c7a4
commit 3957bd3b7d
Signed by: Zorchenhimer
GPG Key ID: 70A1AB767AAB9C20
2 changed files with 16 additions and 5 deletions
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data.cdl
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19
labels.mlb
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@ -105,8 +105,16 @@ NesPrgRom:0890::A <- stack
NesPrgRom:0891::A -> X NesPrgRom:0891::A -> X
NesPrgRom:0892::A <- X NesPrgRom:0892::A <- X
NesPrgRom:0893::A -> stack NesPrgRom:0893::A -> stack
NesPrgRom:08A6::from Table_4509 above
NesPrgRom:08AC::ArgA
NesPrgRom:08B2::ArgB
NesPrgRom:08B8::LDY happens before jsr
NesPrgRom:08C8:L08C8 NesPrgRom:08C8:L08C8
NesPrgRom:08ED:L08ED NesPrgRom:08ED:L08ED
NesPrgRom:08F3::\nWord_0600 *= 2
NesPrgRom:08FE::\nWord_0600 += Word_0602\naddr = index + table start
NesPrgRom:0911:
NesPrgRom:0928:
NesPrgRom:094A:L094A_loop NesPrgRom:094A:L094A_loop
NesPrgRom:096F:L096F_loop NesPrgRom:096F:L096F_loop
NesPrgRom:09A1:Handler_D4_SetCursorLoc NesPrgRom:09A1:Handler_D4_SetCursorLoc
@ -163,7 +171,7 @@ NesPrgRom:0E8A:LCE8A
NesPrgRom:0E96:LCE96 NesPrgRom:0E96:LCE96
NesPrgRom:0F12:L0F12 NesPrgRom:0F12:L0F12
NesPrgRom:0F17:L0F17 NesPrgRom:0F17:L0F17
NesPrgRom:0F4C:Handler_AA NesPrgRom:0F4C:Handler_AA_LongJump:\nBank in ArgA.\nDestination in Word_4E.\nDoes not store a return address.
NesPrgRom:0F5C:LCF5C:\nscript long jump?? NesPrgRom:0F5C:LCF5C:\nscript long jump??
NesPrgRom:0F7A:Handler_AB_LongCall NesPrgRom:0F7A:Handler_AB_LongCall
NesPrgRom:0F8A:LCF8A NesPrgRom:0F8A:LCF8A
@ -298,6 +306,8 @@ NesPrgRom:1DA2:L1DA2_loop
NesPrgRom:1DB6:L1DB6_loop NesPrgRom:1DB6:L1DB6_loop
NesPrgRom:1DE2:L1DE2 NesPrgRom:1DE2:L1DE2
NesPrgRom:1F37-1F76:Table_DF37:maybe 64 bytes? NesPrgRom:1F37-1F76:Table_DF37:maybe 64 bytes?
NesPrgRom:1F7A-2177:Table_1F78
NesPrgRom:2178-224D:Table_2178
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: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: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. 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.
@ -962,7 +972,7 @@ NesPrgRom:4A1C:Handler_C2_Equals_Zero:If Argument_A is zero,\n Return_One\nElse
NesPrgRom:4A26:Handler_8C_StringLength:Return length of NULL\nterminated string at $0700\nResult in Argument_A NesPrgRom:4A26:Handler_8C_StringLength:Return length of NULL\nterminated string at $0700\nResult in Argument_A
NesPrgRom:4A2A:L8A2A_loop NesPrgRom:4A2A:L8A2A_loop
NesPrgRom:4A32:L8A32 NesPrgRom:4A32:L8A32
NesPrgRom:4A35:Handler_D8_TrimStringStart:\nTrims the start of the\nstring buffer. NesPrgRom:4A35:Handler_D8_TrimStringStart_32:\nTrims the start of the\nstring buffer.
NesPrgRom:4A39:Handler_D9_TrimStringStart:\nLike Handler_D8, but doesn't\nload #$20 into ArgB first. NesPrgRom:4A39:Handler_D9_TrimStringStart:\nLike Handler_D8, but doesn't\nload #$20 into ArgB first.
NesPrgRom:4A42:L8A42_loop NesPrgRom:4A42:L8A42_loop
NesPrgRom:4A4D:L8A4D_loop NesPrgRom:4A4D:L8A4D_loop
@ -1382,7 +1392,7 @@ NesPrgRom:6A02:L6A02
NesPrgRom:6A1C:L6A1C NesPrgRom:6A1C:L6A1C
NesPrgRom:6A4A:L6A4A NesPrgRom:6A4A:L6A4A
NesPrgRom:6A5A:L6A5A NesPrgRom:6A5A:L6A5A
NesPrgRom:6A83:Handler_B4 NesPrgRom:6A83:Handler_B4_IndCopy_471A_4E
NesPrgRom:6AB1:Handler_B5_StringCopy:Copy (Word_471A) to (Word_4E) then\nincrement Word_471A by number of\nbytes copied. NesPrgRom:6AB1:Handler_B5_StringCopy:Copy (Word_471A) to (Word_4E) then\nincrement Word_471A by number of\nbytes copied.
NesPrgRom:6AB6::RTS if < #$60 NesPrgRom:6AB6::RTS if < #$60
NesPrgRom:6AC4:L6AC4_loop NesPrgRom:6AC4:L6AC4_loop
@ -1897,8 +1907,9 @@ NesWorkRam:8867-8869:Array_4867
NesWorkRam:886B:Byte_486B NesWorkRam:886B:Byte_486B
NesWorkRam:886C:Byte_486C NesWorkRam:886C:Byte_486C
NesWorkRam:886D-886E:Word_486D NesWorkRam:886D-886E:Word_486D
NesWorkRam:8870:Byte_4870 NesWorkRam:8870:Byte_4870_Charset:Changes the lookup table for the\ncharacter tiles.
NesWorkRam:8871:Byte_4871 NesWorkRam:8871:Byte_4871
NesWorkRam:8872:Byte_4872
NesWorkRam:8873:Byte_4873 NesWorkRam:8873:Byte_4873
NesWorkRam:8874:Byte_4874 NesWorkRam:8874:Byte_4874
NesWorkRam:8875-8876:Word_4875 NesWorkRam:8875-8876:Word_4875