userland: add assembly support

Move arm assembly cheat here, and start some work on x86 cheat as well.
This commit is contained in:
Ciro Santilli 六四事件 法轮功
2019-03-22 00:00:00 +00:00
parent 4943c9ed2e
commit 287c83f3f9
117 changed files with 3870 additions and 547 deletions

27
userland/arch/arm/and.S Normal file
View File

@@ -0,0 +1,27 @@
/* Bitwise AND. */
#include "common.h"
ENTRY
/* 0x00 && 0xFF == 0x00 */
mov r0, 0x00
and r0, 0xFF
ASSERT_EQ(r0, 0x00)
/* 0x0F && 0xF0 == 0x00 */
mov r0, 0x0F
and r0, 0xF0
ASSERT_EQ(r0, 0x00)
/* 0x0F && 0xFF == 0x0F */
mov r0, 0x0F
and r0, 0xFF
ASSERT_EQ(r0, 0x0F)
/* 0xF0 && 0xFF == 0xF0 */
mov r0, 0xF0
and r0, 0xFF
ASSERT_EQ(r0, 0xF0)
EXIT