Ciro Santilli $$ Sponsor Ciro $$ 中国独裁统治 China Dictatorship 新疆改造中心、六四事件、法轮功、郝海东、709大抓捕、2015巴拿马文件 邓家贵、低端人口、西藏骚乱
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OMG, both of those just fucking work on Ubuntu 20.04 with README instructions, it is unbelievable, those people don't have lives. And it builds the ROM byte by byte equal.
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Tested with the USA ROM at sha1sum 9bef1128717f958171a4afac3ed78ee2bb4e86ce (you need a ROM to extract assets, which the project automates), which is also documented in the project itself: https://github.com/sm64-port/sm64-port/blob/6b47859f757a40096fedd6237f2bc3573d0bc2a4/sm64.us.sha1. Disclaimer: Ciro Santilli owns a copy of Super Mario 64.
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The only dependency missing from Ubuntu packages is the IRIX QEMU user mode which they need for their tooling. The project also has a QEMU fork for that, and provide a working deb.
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From this project it was also noticed that certain ROM releases were not compiled with optimizations enabled, presumably because as a release title the compiler had optimization bugs! https://www.resetera.com/threads/so-apparently-the-ntsc-build-of-mario-64-didnt-use-any-compiler-optimizations.166277/ But now they do have a working compiler, and by turning that switch FPS increases in certain levels!!!
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It is good to know that this game will "never die".
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Some quick stupid patches:
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  • jump really high:
    diff --git a/src/game/mario.c b/src/game/mario.c
    index 5b103fa..83c9f40 100644
    --- a/src/game/mario.c
    +++ b/src/game/mario.c
    @@ -826,7 +826,7 @@ static u32 set_mario_action_airborne(struct MarioState *m, u32 action, u32 actio
             case ACT_JUMP:
             case ACT_HOLD_JUMP:
                 m->marioObj->header.gfx.unk38.animID = -1;
    -            set_mario_y_vel_based_on_fspeed(m, 42.0f, 0.25f);
    +            set_mario_y_vel_based_on_fspeed(m, 200.0f, 0.25f);
                 m->forwardVel *= 0.8f;
                 break;
    
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Interesting entry points:
  • src/game/game_init.c
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TODO: enable the level select debug feature! https://tcrf.net/Super_Mario_64_(Nintendo_64)/Debug_Content#Classic_Debug_Display They actually shipped quite a few debug features into the retail game, and they have been reversed too. I tried this but it didn't work (or I don't know how to enable the level select menu):
diff --git a/src/game/main.c b/src/game/main.c
index 9e53e50..b7443a8 100644
--- a/src/game/main.c
+++ b/src/game/main.c
@@ -65,7 +65,7 @@ s8 sAudioEnabled = 1;
 u32 sNumVblanks = 0;
 s8 gResetTimer = 0;
 s8 D_8032C648 = 0;
-s8 gDebugLevelSelect = 0;
+s8 gDebugLevelSelect = 1;
 s8 D_8032C650 = 0;

 s8 gShowProfiler = FALSE;
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The enhancements/ folder contains a few sample patches.
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Figure 102. Screenshot of mupen64Plus running on Ubuntu 20.04 emulating Super Mario 64 with the title screen hacked by Ciro Santilli based on the Super Mario 64 reverse engineering project. The title was on a string, so the hack was trivial! The patch used was:
diff --git a/include/text_strings.h.in b/include/text_strings.h.in
index 749179b..626f87e 100644
--- a/include/text_strings.h.in
+++ b/include/text_strings.h.in
@@ -131,7 +131,7 @@
  */
 // Main Screens
 #define TEXT_MARIO _("MARIO") // View Score Menu
-#define TEXT_SELECT_FILE _("SELECT FILE")
+#define TEXT_SELECT_FILE _("HACKED BY CIRO")
 #define TEXT_CHECK_FILE _("CHECK FILE")
 #define TEXT_COPY_FILE _("COPY FILE")
 #define TEXT_ERASE_FILE _("ERASE FILE")
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Some tutorials of hacking it:
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Ancestors

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