papermario/asm/os/osSetIntMask.s
2020-11-09 21:51:33 -05:00

52 lines
2.3 KiB
ArmAsm

.include "macro.inc"
# assembler directives
.set noat # allow manual use of $at
.set noreorder # don't insert nops after branches
.set gp=64 # allow use of 64-bit general purpose registers
.section .text, "ax"
glabel osSetIntMask
/* 3BD40 80060940 400C6000 */ mfc0 $t4, $12
/* 3BD44 80060944 3182FF01 */ andi $v0, $t4, 0xff01
/* 3BD48 80060948 3C088009 */ lui $t0, 0x8009
/* 3BD4C 8006094C 25085900 */ addiu $t0, $t0, 0x5900
/* 3BD50 80060950 8D0B0000 */ lw $t3, ($t0)
/* 3BD54 80060954 2401FFFF */ addiu $at, $zero, -1
/* 3BD58 80060958 01614026 */ xor $t0, $t3, $at
/* 3BD5C 8006095C 3108FF00 */ andi $t0, $t0, 0xff00
/* 3BD60 80060960 00481025 */ or $v0, $v0, $t0
/* 3BD64 80060964 3C0AA430 */ lui $t2, 0xa430
/* 3BD68 80060968 8D4A000C */ lw $t2, 0xc($t2)
/* 3BD6C 8006096C 11400005 */ beqz $t2, .L80060984
/* 3BD70 80060970 000B4C02 */ srl $t1, $t3, 0x10
/* 3BD74 80060974 2401FFFF */ addiu $at, $zero, -1
/* 3BD78 80060978 01214826 */ xor $t1, $t1, $at
/* 3BD7C 8006097C 3129003F */ andi $t1, $t1, 0x3f
/* 3BD80 80060980 01495025 */ or $t2, $t2, $t1
.L80060984:
/* 3BD84 80060984 000A5400 */ sll $t2, $t2, 0x10
/* 3BD88 80060988 004A1025 */ or $v0, $v0, $t2
/* 3BD8C 8006098C 3C01003F */ lui $at, 0x3f
/* 3BD90 80060990 00814024 */ and $t0, $a0, $at
/* 3BD94 80060994 010B4024 */ and $t0, $t0, $t3
/* 3BD98 80060998 000843C2 */ srl $t0, $t0, 0xf
/* 3BD9C 8006099C 3C0A800A */ lui $t2, 0x800a
/* 3BDA0 800609A0 01485021 */ addu $t2, $t2, $t0
/* 3BDA4 800609A4 954A9AA0 */ lhu $t2, -0x6560($t2)
/* 3BDA8 800609A8 3C01A430 */ lui $at, 0xa430
/* 3BDAC 800609AC AC2A000C */ sw $t2, 0xc($at)
/* 3BDB0 800609B0 3088FF01 */ andi $t0, $a0, 0xff01
/* 3BDB4 800609B4 3169FF00 */ andi $t1, $t3, 0xff00
/* 3BDB8 800609B8 01094024 */ and $t0, $t0, $t1
/* 3BDBC 800609BC 3C01FFFF */ lui $at, 0xffff
/* 3BDC0 800609C0 342100FF */ ori $at, $at, 0xff
/* 3BDC4 800609C4 01816024 */ and $t4, $t4, $at
/* 3BDC8 800609C8 01886025 */ or $t4, $t4, $t0
/* 3BDCC 800609CC 408C6000 */ mtc0 $t4, $12
/* 3BDD0 800609D0 00000000 */ nop
/* 3BDD4 800609D4 00000000 */ nop
/* 3BDD8 800609D8 03E00008 */ jr $ra
/* 3BDDC 800609DC 00000000 */ nop