Nintendo 64 game

Table of contents
- Super Mario 64 Nintendo 64 game
- Mario Kart 64 Nintendo 64 game
  - Mario Kart 64 clone Mario Kart 64
    - SuperTuxKart Mario Kart 64 clone
    - smashkarts.io Mario Kart 64 clone

Super Mario 64 (1996)

Ah, Ciro Santilli loved this one... games young Ciro Santilli played.

And as a result, adult Ciro really enjoys tool-assisted speedruns of the game.

Music of Super Mario 64

It is interesting how the Etyptian level, Shifting Sand Land, clearly has Indian classical music, with sitar, tanpura and tabla:

Apparenty we don't know what Egyptian music would have sounded like exactly.

Video 1.

The Music of Super Mario 64 by James Covenant (2017)

Source.

Super Mario 64 A press challenge

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No-A press 120 stars tool-assisted speedrun attempts by Pannenkoek:

Video 1.

Video outlining the 18 unique A presses missing for 120-stars at the time. This was superseded later. with many other discoveries.

Source. The 23 Remaining A Presses by Pannenkoek2012 (2018)

Video 2.

Watch for Rolling Rocks 0.5x A Presses by Pannenkoek2012 (2016)

Source. This is one of the most elaborate explained videos.

Super Mario 64 reverse engineering project (n64decomp/sm64)

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github.com/MitchellSternke/SuperMarioBros-C

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 from source!

There are a few different versions:

github.com/n64decomp/sm64 for emulator (i.e. or real hardware), tested at 9214dddabcce4723d9b6cda2ebccbac209f6447d
github.com/sm64-port/sm64-port Ubuntu native, tested at 6b47859f757a40096fedd6237f2bc3573d0bc2a4
Full screen with F10.
github.com/sm64pc/sm64ex: fork of sm64-port, untested by Ciro Santilli, but more new amazing usability features, notably:
- --skip-intro: skips the annoying pipe intro and the need to wait for Lakitu to bring Peaches message!
- in-game menu:
  - cheats:
  - hide HUD!
- no level selection yet, but a matter of time?
Also reported to work on ARM: www.reddit.com/r/linux/comments/ityg6w/pinephone_playing_super_mario_64_30fps/
They also ported to browser with Emscripten: github.com/sm64pc/sm64ex/wiki/Compiling-for-the-web

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: github.com/sm64-port/sm64-port/blob/6b47859f757a40096fedd6237f2bc3573d0bc2a4/sm64.us.sha1. Disclaimer: Ciro Santilli owns a copy of Super Mario 64.

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.

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! 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!!!

It is good to know that this game will "never die".

Some quick stupid patches:

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;

Interesting entry points:

src/game/game_init.c

TODO: enable the level select debug feature! 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;

The enhancements/ folder contains a few sample patches.

Figure 1.
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")`

Some tutorials of hacking it:

www.youtube.com/watch?v=Jkb7Naczoww SM64 Decomp Tutorial 1: Setting Up and First Code Changes by Bitlytic (2021)
www.youtube.com/watch?v=IuIpqX4neWg Rovert Decomp Tech Demo by Rovert (2019) Metal cap makes Mario huge.
www.youtube.com/watch?v=5aG1Iyjo20w Is it Possible to Beat Super Mario 64 as Tiny Mario? (Mini Mario Challenge) coverts the obvious make Mario huge/tiny hack. Huge mario verion: www.youtube.com/watch?v=pR_gol6zlIo. There was a pre-decompilation ROM hack doing that trivial change already: Tiny Huge Mario 64. Sample tool-assisted speedrun: www.youtube.com/watch?v=C7BjzZ_Nkk0

Video 1.

FIXING the ENTIRE SM64 Source Code by Kaze Emanuar (2022)

Source. Now that we have the source, modders like this are going nuts.

Mario Kart 64

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Ciro Santilli really liked the battle mode on this.

Mario Kart 64 clone

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SuperTuxKart

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It is a shame, but this game just doesn't feel good. The controls are just not as snappy as Mario Kart 64, the levels are too wide which limits player interaction, and the weapons feel clumsy weak and unexciting. These are all aspects that the closed source smashkarts.io gets pretty well.

smashkarts.io

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smashkarts.io/

Quite good, Ciro Santilli played this a lot in 2021/2022, his user ID: ofo5fNy7wRNC1Cw94YVB4KMOW5f2.

The physics not as good as the original Mario Kart 64, and it is notably missing jump gliding, and generally not as sharp! But it is really not bad.

Some of the weapons were too useless that you are just better firing them straight away at wall immediately to get something better, they could have a little better balancing there. I'm talking about you gatling that takes 10 seconds to finish firing, and does not kill enemies immediately. You are better off just firing that gun immediately when you get it to be able to get another gun ASAP. They seem to have done some balancing there however.

It had no chat option, but in a way it was cool to be forced to communicate non-verbally with people whose usernames you got familiar with. Funny you can love people like that, without ever talking to them. The best way of doing so being tea-bagging by going back and forth on a player after winning.

Performance was sometimes a problem. When Ciro tried it again on December 2022, it was unplayable due to the impossibly large lag. Tiings were much better again in 2023 however it seems.