Decompile `018_StartUp` overlay by Yanis002 · Pull Request #19 · zeldaret/st

Yanis002 · 2026-01-13T03:10:39Z

1 non-matching left: https://decomp.me/scratch/S9mzR

this has interesting stuff:

calls to sdk functions (I realised that while making jp delinks)
minor version differences
lots of ctors

decomp-dev · 2026-01-13T03:11:14Z

Report for jp (`1713ffc` - `95a2583`)

📈 Matched code: 1.09% (+0.10%, +4480 bytes)
📈 Linked code: 0.30% (+0.04%, +1612 bytes)
📈 Matched data: 22.12% (+0.01%, +96 bytes)
📈 Linked data: 0.16% (+0.01%, +196 bytes)

✅ 57 new matches

Unit	Item	Bytes	Before	After
`src/018_StartUp/GameModeStartUp`	`GameModeStartUp::GameModeStartUp()`	+384	0.00%	100.00%
`src/018_StartUp/GameModeStartUp`	`UnkStruct_02011e10::func_ov018_020c4980()`	+220	0.00%	100.00%
`src/018_StartUp/GameModeStartUp`	`GameModeStartUp::vfunc_0C()`	+204	0.00%	100.00%
`src/018_StartUp/StartUpInitializers`	`UnkStruct_ov000_020b504c::UnkStruct_ov000_020b504c()`	+204	0.00%	100.00%
`src/018_StartUp/StartUpInitializers`	`UnkStruct_0204a110::UnkStruct_0204a110()`	+176	0.00%	100.00%
`src/018_StartUp/StartUpInitializers`	`UnkStruct_ov000_020b50c0::func_ov018_020c5718()`	+168	0.00%	100.00%
`src/018_StartUp/StartUpInitializers`	`UnkStruct_0204e5f8::UnkStruct_0204e5f8()`	+156	0.00%	100.00%
`src/018_StartUp/StartUpInitializers`	`UnkStruct_ov000_020b50c0::UnkStruct_ov000_020b50c0()`	+156	0.00%	100.00%
`src/018_StartUp/StartUpInitializers`	`UnkStruct_ov000_020b51b8::UnkStruct_ov000_020b51b8()`	+140	0.00%	100.00%
`src/018_StartUp/StartUpInitializers`	`UnkStruct_ov000_020b5214::UnkStruct_ov000_020b5214()`	+132	0.00%	100.00%
`src/018_StartUp/StartUpInitializers`	`UnkStruct_ov000_020b51b8::func_ov018_020c5940()`	+128	0.00%	100.00%
`src/018_StartUp/StartUpInitializers`	`UnkStruct_0204a110_Sub2::UnkStruct_0204a110_Sub2()`	+116	0.00%	100.00%
`src/018_StartUp/StartUpInitializers`	`UnkStruct_0204af1c::UnkStruct_0204af1c()`	+112	0.00%	100.00%
`src/018_StartUp/StartUpInitializers`	`UnkStruct_0204a110_Sub7::UnkStruct_0204a110_Sub7()`	+112	0.00%	100.00%
`src/Main/System/SysNew`	`SysDelete(void*)`	+108	0.00%	100.00%
`src/018_StartUp/GameModeStartUp`	`UnkStruct_02011e10::func_ov018_020c4a5c()`	+108	0.00%	100.00%
`src/018_StartUp/StartUpInitializers`	`UnkStruct_0204a110_Sub3::UnkStruct_0204a110_Sub3()`	+108	0.00%	100.00%
`src/018_StartUp/StartUpInitializers`	`UnkStruct_ov000_020b4f84::UnkStruct_ov000_020b4f84()`	+104	0.00%	100.00%
`src/018_StartUp/GameModeStartUp`	`.bss`	+96	0.00%	100.00%
`src/018_StartUp/GameModeStartUp`	`UnkStruct_02049a2c::func_ov018_020c48f8()`	+88	0.00%	100.00%
`src/018_StartUp/GameModeStartUp`	`UnkStruct_02049a2c::func_ov018_020c48a4(int)`	+84	0.00%	100.00%
`src/018_StartUp/GameModeStartUp`	`UnkStruct_02049a2c::func_ov018_020c4ba8()`	+84	0.00%	100.00%
`src/018_StartUp/StartUpInitializers`	`UnkStruct_0204a110::func_ov018_020c5300()`	+84	0.00%	100.00%
`src/018_StartUp/GameModeStartUp`	`UnkStruct_02049b18_06::UnkStruct_02049b18_06()`	+80	0.00%	100.00%
`src/018_StartUp/StartUpInitializers`	`UnkStruct_0204a110_Sub8::UnkStruct_0204a110_Sub8()`	+64	0.00%	100.00%
`src/018_StartUp/StartUpInitializers`	`UnkStruct_ov000_020b51b8::~UnkStruct_ov000_020b51b8()`	+64	0.00%	100.00%
`src/018_StartUp/StartUpInitializers`	`UnkStruct_ov000_020b5340::UnkStruct_ov000_020b5340()`	+60	0.00%	100.00%
`src/018_StartUp/StartUpInitializers`	`UnkStruct_0204a110_Sub6::UnkStruct_0204a110_Sub6()`	+56	0.00%	100.00%
`src/018_StartUp/StartUpInitializers`	`UnkStruct_ov000_020b5300::func_ov018_020c583c(int)`	+56	0.00%	100.00%
`src/018_StartUp/GameModeStartUp`	`UnkStruct_02049a2c::UnkStruct_02049a2c()`	+52	0.00%	100.00%

...and 27 more new matches

📈 5 improvements in unmatched functions

Unit	Item	Bytes	Before	After
`src/018_StartUp/StartUpInitializers`	`SaveManager::SaveManager()`	+519	0.00%	98.47%
`src/Main/System/SysNew`	`operator new(unsigned long, unsigned int, unsigned int)`	+165	0.00%	89.80%
`src/Main/System/SysNew`	`SysNew(UnkStruct_02011e10_Sub1*, int, int)`	+123	0.00%	83.16%
`src/018_StartUp/GameModeStartUp`	`.data`	+97	0.00%	97.84%
`src/018_StartUp/StartUpInitializers`	`.data`	+47	0.00%	79.37%

Report for eur (`1713ffc` - `95a2583`)

📈 Matched code: 1.09% (+0.09%, +4296 bytes)
📈 Linked code: 0.40% (+0.04%, +1612 bytes)
📈 Matched data: 22.14% (+0.01%, +96 bytes)
📈 Linked data: 0.18% (+0.01%, +196 bytes)

✅ 52 new matches

Unit	Item	Bytes	Before	After
`src/018_StartUp/GameModeStartUp`	`GameModeStartUp::GameModeStartUp()`	+384	0.00%	100.00%
`src/018_StartUp/GameModeStartUp`	`UnkStruct_02011e10::func_ov018_020c4980()`	+220	0.00%	100.00%
`src/018_StartUp/GameModeStartUp`	`GameModeStartUp::vfunc_0C()`	+204	0.00%	100.00%
`src/018_StartUp/StartUpInitializers`	`UnkStruct_ov000_020b504c::UnkStruct_ov000_020b504c()`	+204	0.00%	100.00%
`src/018_StartUp/StartUpInitializers`	`UnkStruct_0204a110::UnkStruct_0204a110()`	+176	0.00%	100.00%
`src/018_StartUp/StartUpInitializers`	`UnkStruct_ov000_020b50c0::func_ov018_020c5718()`	+168	0.00%	100.00%
`src/018_StartUp/StartUpInitializers`	`UnkStruct_0204e5f8::UnkStruct_0204e5f8()`	+156	0.00%	100.00%
`src/018_StartUp/StartUpInitializers`	`UnkStruct_ov000_020b50c0::UnkStruct_ov000_020b50c0()`	+156	0.00%	100.00%
`src/018_StartUp/StartUpInitializers`	`UnkStruct_ov000_020b51b8::UnkStruct_ov000_020b51b8()`	+140	0.00%	100.00%
`src/018_StartUp/StartUpInitializers`	`UnkStruct_ov000_020b5214::UnkStruct_ov000_020b5214()`	+132	0.00%	100.00%
`src/018_StartUp/StartUpInitializers`	`UnkStruct_ov000_020b51b8::func_ov018_020c5940()`	+128	0.00%	100.00%
`src/018_StartUp/StartUpInitializers`	`UnkStruct_0204a110_Sub2::UnkStruct_0204a110_Sub2()`	+116	0.00%	100.00%
`src/018_StartUp/StartUpInitializers`	`UnkStruct_0204af1c::UnkStruct_0204af1c()`	+112	0.00%	100.00%
`src/018_StartUp/StartUpInitializers`	`UnkStruct_0204a110_Sub7::UnkStruct_0204a110_Sub7()`	+112	0.00%	100.00%
`src/018_StartUp/GameModeStartUp`	`UnkStruct_02011e10::func_ov018_020c4a5c()`	+108	0.00%	100.00%
`src/018_StartUp/StartUpInitializers`	`UnkStruct_0204a110_Sub3::UnkStruct_0204a110_Sub3()`	+108	0.00%	100.00%
`src/018_StartUp/StartUpInitializers`	`UnkStruct_ov000_020b4f84::UnkStruct_ov000_020b4f84()`	+104	0.00%	100.00%
`src/018_StartUp/GameModeStartUp`	`.bss`	+96	0.00%	100.00%
`src/018_StartUp/GameModeStartUp`	`UnkStruct_02049a2c::func_ov018_020c48f8()`	+88	0.00%	100.00%
`src/018_StartUp/GameModeStartUp`	`UnkStruct_02049a2c::func_ov018_020c48a4(int)`	+84	0.00%	100.00%
`src/018_StartUp/GameModeStartUp`	`UnkStruct_02049a2c::func_ov018_020c4ba8()`	+84	0.00%	100.00%
`src/018_StartUp/StartUpInitializers`	`UnkStruct_0204a110::func_ov018_020c5300()`	+84	0.00%	100.00%
`src/018_StartUp/GameModeStartUp`	`UnkStruct_02049b18_06::UnkStruct_02049b18_06()`	+80	0.00%	100.00%
`src/018_StartUp/StartUpInitializers`	`UnkStruct_0204a110_Sub8::UnkStruct_0204a110_Sub8()`	+64	0.00%	100.00%
`src/018_StartUp/StartUpInitializers`	`UnkStruct_ov000_020b51b8::~UnkStruct_ov000_020b51b8()`	+64	0.00%	100.00%
`src/018_StartUp/StartUpInitializers`	`UnkStruct_ov000_020b5340::UnkStruct_ov000_020b5340()`	+60	0.00%	100.00%
`src/018_StartUp/StartUpInitializers`	`UnkStruct_0204a110_Sub6::UnkStruct_0204a110_Sub6()`	+56	0.00%	100.00%
`src/018_StartUp/StartUpInitializers`	`UnkStruct_ov000_020b5300::func_ov018_020c583c(int)`	+56	0.00%	100.00%
`src/018_StartUp/GameModeStartUp`	`UnkStruct_02049a2c::UnkStruct_02049a2c()`	+52	0.00%	100.00%
`src/018_StartUp/StartUpInitializers`	`UnkStruct_ov000_020b52e8::UnkStruct_ov000_020b52e8()`	+52	0.00%	100.00%

...and 22 more new matches

📈 5 improvements in unmatched functions

Unit	Item	Bytes	Before	After
`src/018_StartUp/StartUpInitializers`	`SaveManager::SaveManager()`	+519	0.00%	98.47%
`src/Main/System/SysNew`	`operator new(unsigned long, unsigned int, unsigned int)`	+165	0.00%	89.80%
`src/Main/System/SysNew`	`SysNew(UnkStruct_02011e10_Sub1*, int, int)`	+123	0.00%	83.16%
`src/018_StartUp/GameModeStartUp`	`.data`	+64	0.00%	64.86%
`src/018_StartUp/StartUpInitializers`	`.data`	+30	0.00%	50.00%

📉 1 regression in unmatched functions

Unit	Item	Bytes	Before	After
`src/Main/System/SysNew`	`SysObject::operator new(unsigned long, unsigned int, unsigned int)`	-133	72.30%	0.00%

Yanis002 added 2 commits January 13, 2026 03:43

Decompile StartUp overlay (99%)

c6eb146

jp delinks

a3b1405

regression fix

95a2583

Yanis002 merged commit 76c1ec9 into zeldaret:main Jan 13, 2026
3 checks passed

Yanis002 deleted the startup branch January 13, 2026 14:07

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Decompile `018_StartUp` overlay#19

Decompile `018_StartUp` overlay#19
Yanis002 merged 3 commits intozeldaret:mainfrom
Yanis002:startup

Yanis002 commented Jan 13, 2026 •

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Yanis002 commented Jan 13, 2026 •

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Report for jp (`1713ffc` - `95a2583`)

Report for eur (`1713ffc` - `95a2583`)