Files
pico-loader/arm9/source/fastClear.s
2025-11-23 17:14:17 +01:00

23 lines
347 B
ArmAsm

.section ".itcm", "ax"
.arm
// r0: dst
// r1: size (multiple of 32)
.global fastClear
.type fastClear, %function
fastClear:
push {r4-r8,lr}
mov r2, #0
mov r3, #0
mov r4, #0
mov r5, #0
mov r6, #0
mov r7, #0
mov r8, #0
mov lr, #0
1:
subs r1, r1, #32
stmgeia r0!, {r2-r8,lr}
bgt 1b
pop {r4-r8,pc}