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authorHunter Kvalevog <hunter@kvog.sh>2026-06-09 17:45:45 -0500
committerHunter Kvalevog <hunter@kvog.sh>2026-06-09 17:45:45 -0500
commit15239ba6cfe2279b5afebfd4f954bb5469c605f1 (patch)
treea144533a5582611519c78c6fcc4fdfa044b407fc /aarch64/mariokartwii_ch07.S
parent9a6b8819f84def6e6d1b997df011ed386f6cd06e (diff)
Diffstat (limited to 'aarch64/mariokartwii_ch07.S')
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+// ================================================================================================
+// Code written while following chapter 7 of the MarioKart Wii ARM64 assembly tutorial:
+// https://mariokartwii.com/arm64/ch7.html
+//
+// License:
+// SPDX-License-Identifier: 0BSD
+// Copyright (c) 2026 Hunter Kvalevog
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+// WITH REGARD TO THIS SOFTWARE.
+// ================================================================================================
+
+#include "common.S"
+
+TEXT_SEGMENT
+
+.global SYM(main)
+
+SYM(main):
+ // Add
+ mov x0, #1
+ mov x1, #2
+ add x2, x0, x1
+
+ // Add immediate
+ add x3, x2, #0x100
+
+ // Subtract immediate
+ mov x4, x3
+ sub x4, x4, #0x100
+
+ // Multiply
+ mov x5, #5
+ mul x5, x4, x5
+
+ // Divide
+ udiv x6, x5, x4
+ mov x7, #-1
+ sdiv x7, x6, x7
+
+ neg x8, x7
+
+ brk #0 // (lldb) register read
+